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                                                                                                • New Deals
                                                                                                  1. Home
                                                                                                  2. Circuit Protection
                                                                                                  3. Thermistors
                                                                                                  4. Resettable Fuses
                                                                                                  5. Radial Leaded PPTCs
                                                                                                  6. PolySwitch RKEF Series Radial Leaded PPTCs

                                                                                                  PolySwitch RKEF Series Radial Leaded PPTCs:

                                                                                                  17 Products Found
                                                                                                  Find a huge range of PolySwitch RKEF Series Radial Leaded PPTCs at Newark Electronics Mexico. We stock a wide range of Radial Leaded PPTCs, such as PolySwitch RXEF Series, PolySwitch RUEF Series, MF-R Series & PolySwitch LVR Series Radial Leaded PPTCs from the worlds top manufacturers including: Littelfuse
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                                                                                                  Thermistor Mounting
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                                                                                                  Time to Trip
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                                                                                                  Current Rating Max
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                                                                                                  1 Filter(s) Selected
                                                                                                  ComparePrice forQuantity
                                                                                                  RKEF250
                                                                                                  LITTELFUSE RKEF250
                                                                                                  45P8092

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 2.5 A
                                                                                                  6. 5 A
                                                                                                  7. 15.6 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.775
                                                                                                  10+
                                                                                                  $0.602
                                                                                                  25+
                                                                                                  $0.555
                                                                                                  50+
                                                                                                  $0.507
                                                                                                  100+
                                                                                                  $0.471
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Through Hole
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  2.5A
                                                                                                  5A
                                                                                                  15.6s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.8mm
                                                                                                  13mm
                                                                                                  3.81mm
                                                                                                  18.8mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3376-000
                                                                                                  LITTELFUSE RF3376-000
                                                                                                  34AC5573

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 3.75 A
                                                                                                  6. 7.5 A
                                                                                                  7. 22 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $1.090
                                                                                                  10+
                                                                                                  $0.871
                                                                                                  25+
                                                                                                  $0.808
                                                                                                  50+
                                                                                                  $0.745
                                                                                                  100+
                                                                                                  $0.674
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  3.75A
                                                                                                  7.5A
                                                                                                  22s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  0.43"
                                                                                                  0.65"
                                                                                                  0.12"
                                                                                                  0.99"
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RKEF110
                                                                                                  LITTELFUSE RKEF110
                                                                                                  44P2895

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 1.1 A
                                                                                                  6. 2.2 A
                                                                                                  7. 3 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.204
                                                                                                  10+
                                                                                                  $0.204
                                                                                                  25+
                                                                                                  $0.204
                                                                                                  50+
                                                                                                  $0.204
                                                                                                  100+
                                                                                                  $0.204
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Through Hole
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  1.1A
                                                                                                  2.2A
                                                                                                  3s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.8mm
                                                                                                  7.6mm
                                                                                                  4.1mm
                                                                                                  15mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3363-000
                                                                                                  LITTELFUSE RF3363-000
                                                                                                  34AC5561

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 650 mA
                                                                                                  6. 1.3 A
                                                                                                  7. 1 s
                                                                                                  8. Square
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.762
                                                                                                  10+
                                                                                                  $0.563
                                                                                                  25+
                                                                                                  $0.510
                                                                                                  50+
                                                                                                  $0.456
                                                                                                  100+
                                                                                                  $0.398
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  650mA
                                                                                                  1.3A
                                                                                                  1s
                                                                                                  Square
                                                                                                  40A
                                                                                                  0.23"
                                                                                                  0.28"
                                                                                                  0.14"
                                                                                                  0.48"
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3378-000
                                                                                                  LITTELFUSE RF3378-000
                                                                                                  34AC5575

                                                                                                  RoHS

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 5 A
                                                                                                  6. 10 A
                                                                                                  7. 28 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $1.890
                                                                                                  10+
                                                                                                  $1.510
                                                                                                  25+
                                                                                                  $1.410
                                                                                                  50+
                                                                                                  $1.300
                                                                                                  100+
                                                                                                  $1.170
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  5A
                                                                                                  10A
                                                                                                  28s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  10.9mm
                                                                                                  24.1mm
                                                                                                  3mm
                                                                                                  29mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3054-000
                                                                                                  LITTELFUSE RF3054-000
                                                                                                  34AC5416

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 500 mA
                                                                                                  6. 1 A
                                                                                                  7. 0.8 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.762
                                                                                                  10+
                                                                                                  $0.563
                                                                                                  25+
                                                                                                  $0.510
                                                                                                  50+
                                                                                                  $0.456
                                                                                                  100+
                                                                                                  $0.398
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  500mA
                                                                                                  1A
                                                                                                  0.8s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.84mm
                                                                                                  7.1mm
                                                                                                  3.56mm
                                                                                                  11.43mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3370-000
                                                                                                  LITTELFUSE RF3370-000
                                                                                                  34AC5567

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 1.6 A
                                                                                                  6. 3.2 A
                                                                                                  7. 9 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.960
                                                                                                  10+
                                                                                                  $0.710
                                                                                                  25+
                                                                                                  $0.642
                                                                                                  50+
                                                                                                  $0.575
                                                                                                  100+
                                                                                                  $0.502
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  1.6A
                                                                                                  3.2A
                                                                                                  9s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.84mm
                                                                                                  12.2mm
                                                                                                  3.81mm
                                                                                                  18.3mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3375-000
                                                                                                  LITTELFUSE RF3375-000
                                                                                                  34AC5572

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 3.75 A
                                                                                                  6. 7.5 A
                                                                                                  7. 22 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $1.290
                                                                                                  10+
                                                                                                  $0.949
                                                                                                  25+
                                                                                                  $0.857
                                                                                                  50+
                                                                                                  $0.767
                                                                                                  100+
                                                                                                  $0.669
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  3.75A
                                                                                                  7.5A
                                                                                                  22s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  10.9mm
                                                                                                  16.5mm
                                                                                                  3mm
                                                                                                  25.2mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3369-000
                                                                                                  LITTELFUSE RF3369-000
                                                                                                  34AC5566

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 1.35 A
                                                                                                  6. 2.7 A
                                                                                                  7. 4.5 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.909
                                                                                                  10+
                                                                                                  $0.672
                                                                                                  25+
                                                                                                  $0.607
                                                                                                  50+
                                                                                                  $0.543
                                                                                                  100+
                                                                                                  $0.475
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  1.35A
                                                                                                  2.7A
                                                                                                  4.5s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.84mm
                                                                                                  10.2mm
                                                                                                  3.81mm
                                                                                                  17mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3373-000
                                                                                                  LITTELFUSE RF3373-000
                                                                                                  34AC5570

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 2.5 A
                                                                                                  6. 5 A
                                                                                                  7. 15.6 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $1.110
                                                                                                  10+
                                                                                                  $0.871
                                                                                                  25+
                                                                                                  $0.809
                                                                                                  50+
                                                                                                  $0.747
                                                                                                  100+
                                                                                                  $0.648
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  2.5A
                                                                                                  5A
                                                                                                  15.6s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  0.23"
                                                                                                  0.55"
                                                                                                  0.12"
                                                                                                  0.81"
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3365-000
                                                                                                  LITTELFUSE RF3365-000
                                                                                                  34AC5563

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 750 mA
                                                                                                  6. 1.5 A
                                                                                                  7. 1.5 s
                                                                                                  8. Square
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.810
                                                                                                  10+
                                                                                                  $0.597
                                                                                                  25+
                                                                                                  $0.566
                                                                                                  50+
                                                                                                  $0.534
                                                                                                  100+
                                                                                                  $0.477
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  750mA
                                                                                                  1.5A
                                                                                                  1.5s
                                                                                                  Square
                                                                                                  40A
                                                                                                  0.23"
                                                                                                  0.31"
                                                                                                  0.14"
                                                                                                  0.48"
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RKEF075
                                                                                                  LITTELFUSE RKEF075
                                                                                                  38AC2245

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. FUSE
                                                                                                  2. RESETTABLE PTC
                                                                                                  3. 60VDC
                                                                                                  4. 0.75A
                                                                                                  5. THD
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.687
                                                                                                  10+
                                                                                                  $0.554
                                                                                                  25+
                                                                                                  $0.518
                                                                                                  50+
                                                                                                  $0.480
                                                                                                  100+
                                                                                                  $0.452
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  750mA
                                                                                                  1.5A
                                                                                                  1.5s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.84mm
                                                                                                  7.87mm
                                                                                                  3.56mm
                                                                                                  12.2mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3366-000
                                                                                                  LITTELFUSE RF3366-000
                                                                                                  81AH9196

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. PPTC RESETTABLE FUSE
                                                                                                  2. 40A
                                                                                                  3. 60VDC
                                                                                                  4. RADIAL ROHS COMPLIANT: YES
                                                                                                  Each
                                                                                                  1+
                                                                                                  $1.050
                                                                                                  10+
                                                                                                  $0.720
                                                                                                  25+
                                                                                                  $0.699
                                                                                                  50+
                                                                                                  $0.676
                                                                                                  100+
                                                                                                  $0.613
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  900mA
                                                                                                  1.8A
                                                                                                  2s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.84mm
                                                                                                  7.87mm
                                                                                                  3.56mm
                                                                                                  13.97mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RKEF500
                                                                                                  LITTELFUSE RKEF500
                                                                                                  45P8096

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 5 A
                                                                                                  6. 10 A
                                                                                                  7. 28 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $1.450
                                                                                                  10+
                                                                                                  $1.140
                                                                                                  25+
                                                                                                  $1.050
                                                                                                  50+
                                                                                                  $0.956
                                                                                                  100+
                                                                                                  $0.889
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Through Hole
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  5A
                                                                                                  10A
                                                                                                  28s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  10.9mm
                                                                                                  24.1mm
                                                                                                  3mm
                                                                                                  29mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RF3361-000
                                                                                                  LITTELFUSE RF3361-000
                                                                                                  27AM6633

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 500 mA
                                                                                                  6. 1 A
                                                                                                  7. 0.8 s
                                                                                                  8. Rectangular
                                                                                                  Each (Supplied on Cut Tape)
                                                                                                  Cut Tape
                                                                                                  1+
                                                                                                  $0.858
                                                                                                  10+
                                                                                                  $0.777
                                                                                                  25+
                                                                                                  $0.715
                                                                                                  50+
                                                                                                  $0.642
                                                                                                  100+
                                                                                                  $0.580
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  500mA
                                                                                                  1A
                                                                                                  0.8s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  0.23"
                                                                                                  0.28"
                                                                                                  0.14"
                                                                                                  0.45"
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RKEF300
                                                                                                  LITTELFUSE RKEF300
                                                                                                  45P8093

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 3 A
                                                                                                  6. 6 A
                                                                                                  7. 19.8 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.288
                                                                                                  10+
                                                                                                  $0.288
                                                                                                  25+
                                                                                                  $0.288
                                                                                                  50+
                                                                                                  $0.288
                                                                                                  100+
                                                                                                  $0.288
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Through Hole
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  3A
                                                                                                  6A
                                                                                                  19.8s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.84mm
                                                                                                  16.5mm
                                                                                                  3mm
                                                                                                  21.2mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  RKEF185
                                                                                                  LITTELFUSE RKEF185
                                                                                                  45P8091

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  LITTELFUSE
                                                                                                  1. Resettable Fuse
                                                                                                  2. PPTC
                                                                                                  3. PolySwitch RKEF Series
                                                                                                  4. 60 VDC
                                                                                                  5. 1.85 A
                                                                                                  6. 3.7 A
                                                                                                  7. 12.6 s
                                                                                                  8. Rectangular
                                                                                                  Each
                                                                                                  1+
                                                                                                  $0.106
                                                                                                  10+
                                                                                                  $0.106
                                                                                                  25+
                                                                                                  $0.106
                                                                                                  50+
                                                                                                  $0.106
                                                                                                  100+
                                                                                                  $0.106
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Through Hole
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  1.85A
                                                                                                  3.7A
                                                                                                  12.6s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.84mm
                                                                                                  13mm
                                                                                                  3.81mm
                                                                                                  18.8mm
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  ComparePrice forQuantity
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