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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
                                                                                                  View
                                                                                                  Buyer
                                                                                                  Engineer
                                                                                                  Manufacturer
                                                                                                  Thermistor Mounting
                                                                                                  Product Range
                                                                                                  Voltage Rating
                                                                                                  Holding Current
                                                                                                  Trip Current
                                                                                                  Time to Trip
                                                                                                  Fuse Shape
                                                                                                  Current Rating Max
                                                                                                  Lead Spacing
                                                                                                  Length
                                                                                                  Thickness
                                                                                                  Height
                                                                                                  Operating Temperature Min
                                                                                                  Operating Temperature Max
                                                                                                  Packaging
                                                                                                  Filter(s) Applied
                                                                                                  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+
                                                                                                  $0.768
                                                                                                  10+
                                                                                                  $0.586
                                                                                                  25+
                                                                                                  $0.537
                                                                                                  50+
                                                                                                  $0.486
                                                                                                  100+
                                                                                                  $0.448
                                                                                                  More Pricing...
                                                                                                  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+
                                                                                                  $1.180
                                                                                                  10+
                                                                                                  $0.925
                                                                                                  25+
                                                                                                  $0.855
                                                                                                  50+
                                                                                                  $0.785
                                                                                                  100+
                                                                                                  $0.704
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  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+
                                                                                                  $0.639
                                                                                                  10+
                                                                                                  $0.491
                                                                                                  25+
                                                                                                  $0.448
                                                                                                  50+
                                                                                                  $0.406
                                                                                                  100+
                                                                                                  $0.374
                                                                                                  More Pricing...
                                                                                                  Through Hole
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  1.1A
                                                                                                  2.2A
                                                                                                  3s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.8mm
                                                                                                  7.6mm
                                                                                                  4.1mm
                                                                                                  15mm
                                                                                                  -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+
                                                                                                  $0.757
                                                                                                  10+
                                                                                                  $0.512
                                                                                                  25+
                                                                                                  $0.481
                                                                                                  50+
                                                                                                  $0.451
                                                                                                  100+
                                                                                                  $0.419
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  500mA
                                                                                                  1A
                                                                                                  0.8s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.84mm
                                                                                                  7.1mm
                                                                                                  3.56mm
                                                                                                  11.43mm
                                                                                                  -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+
                                                                                                  $0.826
                                                                                                  10+
                                                                                                  $0.602
                                                                                                  25+
                                                                                                  $0.542
                                                                                                  50+
                                                                                                  $0.482
                                                                                                  100+
                                                                                                  $0.417
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  650mA
                                                                                                  1.3A
                                                                                                  1s
                                                                                                  Square
                                                                                                  40A
                                                                                                  0.23"
                                                                                                  0.28"
                                                                                                  0.14"
                                                                                                  0.48"
                                                                                                  -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+
                                                                                                  $1.120
                                                                                                  10+
                                                                                                  $0.747
                                                                                                  25+
                                                                                                  $0.653
                                                                                                  50+
                                                                                                  $0.558
                                                                                                  100+
                                                                                                  $0.515
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  1.6A
                                                                                                  3.2A
                                                                                                  9s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  5.84mm
                                                                                                  12.2mm
                                                                                                  3.81mm
                                                                                                  18.3mm
                                                                                                  -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+
                                                                                                  $1.970
                                                                                                  10+
                                                                                                  $1.550
                                                                                                  25+
                                                                                                  $1.510
                                                                                                  50+
                                                                                                  $1.470
                                                                                                  100+
                                                                                                  $1.260
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  PolySwitch RKEF Series
                                                                                                  60VDC
                                                                                                  5A
                                                                                                  10A
                                                                                                  28s
                                                                                                  Rectangular
                                                                                                  40A
                                                                                                  10.9mm
                                                                                                  24.1mm
                                                                                                  3mm
                                                                                                  29mm
                                                                                                  -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+
                                                                                                  $1.330
                                                                                                  10+
                                                                                                  $0.792
                                                                                                  25+
                                                                                                  $0.781
                                                                                                  50+
                                                                                                  $0.770
                                                                                                  100+
                                                                                                  $0.718
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  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+
                                                                                                  $0.912
                                                                                                  10+
                                                                                                  $0.623
                                                                                                  25+
                                                                                                  $0.587
                                                                                                  50+
                                                                                                  $0.551
                                                                                                  100+
                                                                                                  $0.483
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  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+
                                                                                                  $1.100
                                                                                                  10+
                                                                                                  $0.855
                                                                                                  25+
                                                                                                  $0.792
                                                                                                  50+
                                                                                                  $0.729
                                                                                                  100+
                                                                                                  $0.628
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  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+
                                                                                                  $0.802
                                                                                                  10+
                                                                                                  $0.585
                                                                                                  25+
                                                                                                  $0.556
                                                                                                  50+
                                                                                                  $0.527
                                                                                                  100+
                                                                                                  $0.472
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  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+
                                                                                                  $0.644
                                                                                                  10+
                                                                                                  $0.509
                                                                                                  25+
                                                                                                  $0.471
                                                                                                  50+
                                                                                                  $0.433
                                                                                                  100+
                                                                                                  $0.404
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  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+
                                                                                                  $0.999
                                                                                                  10+
                                                                                                  $0.669
                                                                                                  25+
                                                                                                  $0.647
                                                                                                  50+
                                                                                                  $0.625
                                                                                                  100+
                                                                                                  $0.560
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  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+
                                                                                                  $1.440
                                                                                                  10+
                                                                                                  $1.110
                                                                                                  25+
                                                                                                  $1.010
                                                                                                  50+
                                                                                                  $0.911
                                                                                                  100+
                                                                                                  $0.840
                                                                                                  More Pricing...
                                                                                                  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+
                                                                                                  $0.931
                                                                                                  10+
                                                                                                  $0.839
                                                                                                  25+
                                                                                                  $0.771
                                                                                                  50+
                                                                                                  $0.687
                                                                                                  100+
                                                                                                  $0.619
                                                                                                  More Pricing...
                                                                                                  -
                                                                                                  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+
                                                                                                  $0.830
                                                                                                  10+
                                                                                                  $0.639
                                                                                                  25+
                                                                                                  $0.583
                                                                                                  50+
                                                                                                  $0.529
                                                                                                  100+
                                                                                                  $0.488
                                                                                                  More Pricing...
                                                                                                  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+
                                                                                                  $0.737
                                                                                                  10+
                                                                                                  $0.563
                                                                                                  25+
                                                                                                  $0.514
                                                                                                  50+
                                                                                                  $0.466
                                                                                                  100+
                                                                                                  $0.430
                                                                                                  More Pricing...
                                                                                                  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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