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                    • New Deals
                      1. Home
                      2. Cooling & Thermal Management
                      3. Heat Sinks
                      4. Natural Convection Heat Sinks

                      Natural Convection Heat Sinks:

                      1,336 Products Found
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                      Manufacturer
                      Thermal Resistance
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                      External Width - Metric
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                      External Diameter - Metric
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                      External Width - Imperial
                      External Height - Imperial
                      External Length - Imperial
                      External Diameter - Imperial
                      Product Range
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                      SK 04/100 SA
                      FISCHER ELEKTRONIK SK 04/100 SA
                      34M8456

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Standard Extruded
                      3. with guideway for cover plates or blanks
                      4. Black Anodized
                      5. 2.8 °C/W
                      Each
                      1+
                      $7.030
                      10+
                      $6.820
                      25+
                      $6.680
                      50+
                      $6.550
                      100+
                      $6.400
                      More Pricing...
                      Min: 1 / Mult: 1
                      1.5°C/W
                      TO-3
                      97mm
                      25mm
                      100mm
                      -
                      Aluminium
                      3.82"
                      0.98"
                      3.94"
                      -
                      -
                      ICK SMD E 15 SA
                      FISCHER ELEKTRONIK ICK SMD E 15 SA
                      34M6440

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. For SMD Packages
                      5. 27 °C/W
                      6. DIP
                      7. PLCC
                      8. SMD
                      9. 15.3 mm
                      10. 8 mm
                      11. 15.3 mm
                      Each
                      1+
                      $3.750
                      10+
                      $3.620
                      25+
                      $3.490
                      50+
                      $3.240
                      100+
                      $2.950
                      More Pricing...
                      Min: 1 / Mult: 1
                      27°C/W
                      DIP, PLCC, SMD
                      15.3mm
                      8mm
                      15.3mm
                      -
                      Aluminium
                      0.6"
                      0.31"
                      0.6"
                      -
                      -
                      ICK BGA 14 X 14
                      FISCHER ELEKTRONIK ICK BGA 14 X 14
                      58M7229

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. For Ball Grid Array
                      3. 29 °C/W
                      4. BGA
                      5. 14 mm
                      6. 10.01 mm
                      7. 14 mm
                      Each
                      1+
                      $1.340
                      10+
                      $1.270
                      25+
                      $1.210
                      50+
                      $1.150
                      100+
                      $1.080
                      Min: 1 / Mult: 1
                      30°C/W
                      BGA
                      14mm
                      6mm
                      14mm
                      -
                      Aluminium
                      0.55"
                      0.24"
                      0.55"
                      -
                      -
                      ICK BGA 10 X 10 X 10
                      FISCHER ELEKTRONIK ICK BGA 10 X 10 X 10
                      17T5892

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. For Ball Grid Arrays
                      5. 28.5 °C/W
                      6. BGA
                      7. 10 mm
                      8. 10.01 mm
                      9. 10 mm
                      Each
                      1+
                      $1.320
                      10+
                      $1.060
                      Min: 1 / Mult: 1
                      28.5°C/W
                      BGA
                      10mm
                      10mm
                      10mm
                      -
                      Aluminium
                      0.39"
                      0.39"
                      0.39"
                      -
                      -
                      270-AB
                      WAKEFIELD THERMAL 270-AB
                      81F042

                      Data Sheet

                      RoHS

                      WAKEFIELD THERMAL
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. 17.5 °C/W
                      5. TO-202
                      6. TO-220
                      7. 17.8 mm
                      8. 9.4 mm
                      9. 44.5 mm
                      Each
                      1+
                      $0.476
                      10+
                      $0.425
                      25+
                      $0.405
                      50+
                      $0.392
                      100+
                      $0.378
                      More Pricing...
                      Min: 1 / Mult: 1
                      17.5°C/W
                      TO-202, TO-220
                      17.8mm
                      9.4mm
                      44.5mm
                      -
                      Aluminum
                      0.7"
                      0.37"
                      1.75"
                      -
                      -
                      593002B03400G
                      BOYD 593002B03400G
                      18M8203

                      Data Sheet

                      RoHS

                      BOYD
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. 13.4 °C/W
                      5. TO-220
                      6. 23.93 mm
                      7. 30 mm
                      8. 12.7 mm
                      Each
                      1+
                      $6.780
                      10+
                      $6.780
                      25+
                      $6.780
                      50+
                      $6.780
                      100+
                      $6.780
                      More Pricing...
                      Min: 1 / Mult: 1
                      13.4°C/W
                      TO-220
                      23.93mm
                      30mm
                      12.7mm
                      -
                      Aluminum
                      0.94"
                      1.18"
                      0.5"
                      -
                      -
                      PF527
                      BOYD PF527
                      10WX1032

                      Data Sheet

                      RoHS

                      BOYD
                      1. Heat Sink
                      2. TO-3
                      3. 7.3 °C/W
                      4. TO-3
                      5. 26.9 mm
                      6. 24.99 mm
                      7. 41 mm
                      Each
                      1+
                      $21.850
                      Min: 1 / Mult: 1
                      7.3°C/W
                      TO-3
                      26.9mm
                      24.99mm
                      41mm
                      -
                      Aluminum
                      1.06"
                      0.98"
                      1.61"
                      -
                      -
                      MC33260
                      MULTICOMP PRO MC33260
                      09R3145

                      Data Sheet

                      RoHS

                      MULTICOMP PRO
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. Channel
                      5. 13.6 °C/W
                      6. SOT-23
                      7. TO-126
                      8. TO-220
                      9. 25.4 mm
                      10. 29.97 mm
                      11. 12.7 mm
                      Each
                      1+
                      $1.530
                      100+
                      $1.380
                      250+
                      $1.270
                      500+
                      $1.160
                      1000+
                      $1.080
                      Min: 1 / Mult: 1
                      13.6°C/W
                      SOT-23, TO-126, TO-220
                      25.4mm
                      12.7mm
                      30mm
                      -
                      Aluminium
                      1"
                      0.5"
                      1.18"
                      -
                      -
                      SK 409/25,4 STS
                      FISCHER ELEKTRONIK SK 409/25,4 STS
                      34M8466

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. TO-220/TO-3P
                      3. 8.2 °C/W
                      4. TO-3P
                      5. TO-220
                      6. 45 mm
                      7. 12.7 mm
                      8. 25.4 mm
                      Each
                      1+
                      $3.570
                      10+
                      $3.450
                      25+
                      $3.330
                      50+
                      $3.080
                      100+
                      $2.820
                      More Pricing...
                      Min: 1 / Mult: 1
                      8.2°C/W
                      TO-3P, TO-220
                      45mm
                      25.4mm
                      12.7mm
                      -
                      Aluminium
                      1.77"
                      1"
                      0.5"
                      -
                      -
                      637-10ABPE
                      WAKEFIELD THERMAL 637-10ABPE
                      93K7986

                      Data Sheet

                      RoHS

                      WAKEFIELD THERMAL
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. Black Anodized
                      5. Wave-Solderable
                      6. 12.67 °C/W
                      7. TO-220
                      8. 34.9 mm
                      9. 25.4 mm
                      Each
                      1+
                      $1.350
                      10+
                      $1.350
                      25+
                      $1.250
                      50+
                      $1.240
                      100+
                      $1.240
                      More Pricing...
                      Min: 1 / Mult: 1
                      12.67°C/W
                      TO-220
                      34.9mm
                      25.4mm
                      12.7mm
                      -
                      Aluminum
                      1.37"
                      1"
                      0.5"
                      -
                      -
                      421K
                      WAKEFIELD THERMAL 421K
                      58F508

                      Data Sheet

                      RoHS

                      WAKEFIELD THERMAL
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. Double Surface
                      5. 0.7 °C/W
                      6. TO-3
                      7. 120.7 mm
                      8. 66.7 mm
                      9. 76.2 mm
                      Each
                      1+
                      $11.420
                      5+
                      $11.020
                      10+
                      $10.760
                      25+
                      $10.480
                      50+
                      $10.260
                      More Pricing...
                      Min: 1 / Mult: 1
                      0.7°C/W
                      TO-3
                      120.7mm
                      66.7mm
                      76.2mm
                      -
                      Aluminum
                      4.75"
                      2.63"
                      3"
                      -
                      -
                      SK 92/75 SA
                      FISCHER ELEKTRONIK SK 92/75 SA
                      34M8490

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Standard Extruded
                      3. Black Anodized
                      4. 1.6 C/W
                      5. 40 mm
                      6. 100 mm
                      7. 75 mm RoHS Compliant: Yes
                      Each
                      1+
                      $11.020
                      10+
                      $10.470
                      25+
                      $9.930
                      50+
                      $9.370
                      100+
                      $8.820
                      More Pricing...
                      Min: 1 / Mult: 1
                      1.6°C/W
                      -
                      100mm
                      40mm
                      75mm
                      -
                      Aluminium
                      3.94"
                      1.57"
                      2.95"
                      -
                      -
                      SK 525 30
                      FISCHER ELEKTRONIK SK 525 30
                      46T6900

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. PCB
                      3. Board Level
                      4. Extruded
                      5. TO-220
                      6. 7.8 C/W
                      7. 28 mm
                      8. 19.4 mm
                      9. 30 mm RoHS Compliant: Yes
                      Each
                      1+
                      $7.120
                      10+
                      $6.890
                      25+
                      $6.690
                      50+
                      $6.260
                      100+
                      $5.800
                      More Pricing...
                      Min: 1 / Mult: 1
                      7.8°C/W
                      TO-220
                      19.4mm
                      28mm
                      30mm
                      -
                      Aluminium
                      0.76"
                      1.1"
                      1.18"
                      -
                      -
                      SK 129 50,8 STS
                      FISCHER ELEKTRONIK SK 129 50,8 STS
                      74M4515

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Extruded
                      3. PCB Mount
                      4. SOT-32
                      5. TO-3P
                      6. TO-220
                      7. 5.3 C/W
                      8. 50.8 mm
                      9. 42 mm
                      10. 25 mm RoHS Compliant: Yes
                      Each
                      1+
                      $3.090
                      10+
                      $2.930
                      25+
                      $2.780
                      50+
                      $2.630
                      100+
                      $2.470
                      Min: 1 / Mult: 1
                      5.3°C/W
                      SOT-32, TO-3P, TO-220
                      42mm
                      50.8mm
                      25mm
                      -
                      Aluminium
                      1.65"
                      2"
                      0.98"
                      -
                      -
                      FK 201SA-3
                      FISCHER ELEKTRONIK FK 201SA-3
                      34M6200

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. TO-3
                      3. TO-3
                      4. 6 C/W
                      5. 25.4 mm
                      6. 45 mm
                      7. 45 mm RoHS Compliant: Yes
                      Each
                      1+
                      $1.590
                      10+
                      $1.520
                      25+
                      $1.430
                      50+
                      $1.360
                      100+
                      $1.270
                      Min: 1 / Mult: 1
                      6°C/W
                      TO-3
                      45mm
                      25.4mm
                      45mm
                      -
                      Aluminium
                      1.77"
                      1"
                      1.77"
                      -
                      -
                      SK 481 50
                      FISCHER ELEKTRONIK SK 481 50
                      46T6897

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Extruded
                      3. For Lock-In Retaining Spring
                      4. TO-3P
                      5. TO-218
                      6. TO-220
                      7. TO-247
                      8. TO-248
                      9. 5.7 C/W RoHS Compliant: Yes
                      Each
                      1+
                      $3.100
                      10+
                      $2.940
                      25+
                      $2.790
                      50+
                      $2.640
                      100+
                      $2.480
                      Min: 1 / Mult: 1
                      4.5°C/W
                      TO-3P, TO-218, TO-220, TO-247, TO-248
                      30mm
                      45mm
                      50mm
                      -
                      Aluminium
                      1.18"
                      1.77"
                      1.97"
                      -
                      -
                      290-1AB
                      WAKEFIELD THERMAL 290-1AB
                      58F1360

                      Data Sheet

                      RoHS

                      WAKEFIELD THERMAL
                      1. Heat Sink
                      2. Black Anodized
                      3. 22 °C/W
                      4. TO-202
                      5. TO-218
                      6. TO-220
                      7. 30 mm
                      8. 12.7 mm
                      9. 25.4 mm
                      Each
                      1+
                      $0.397
                      10+
                      $0.397
                      25+
                      $0.397
                      50+
                      $0.397
                      100+
                      $0.367
                      More Pricing...
                      Min: 1 / Mult: 1
                      22°C/W
                      TO-202, TO-218, TO-220
                      30mm
                      12.7mm
                      25.4mm
                      -
                      Aluminum
                      1.18"
                      0.5"
                      1"
                      -
                      -
                      ICK SMD A 5 SA
                      FISCHER ELEKTRONIK ICK SMD A 5 SA
                      34M6427

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. For SMD
                      3. 123 °C/W
                      4. SOIC
                      5. SSOP
                      6. TSSOP
                      7. 6.3 mm
                      8. 4.83 mm
                      9. 5.08 mm
                      Each
                      1+
                      $0.917
                      10+
                      $0.888
                      25+
                      $0.836
                      50+
                      $0.778
                      100+
                      $0.739
                      More Pricing...
                      Min: 1 / Mult: 1
                      123K/W
                      SOIC-8, SOIC-14, SSOP-16, TSSOP-14, TSSOP-16
                      6.3mm
                      4.8mm
                      5mm
                      -
                      Aluminium
                      0.25"
                      0.19"
                      0.2"
                      -
                      -
                      657-25ABPE
                      WAKEFIELD THERMAL 657-25ABPE
                      42M0663

                      Data Sheet

                      RoHS

                      WAKEFIELD THERMAL
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. Black Anodized
                      5. Wave-Solderable
                      6. 4.17 °C/W
                      7. TO-218
                      8. TO-220
                      9. TO-247
                      10. 41.9 mm
                      Each
                      1+
                      $2.450
                      10+
                      $2.400
                      25+
                      $2.340
                      50+
                      $2.220
                      100+
                      $2.090
                      More Pricing...
                      Min: 1 / Mult: 1
                      4.17°C/W
                      TO-218, TO-220, TO-247
                      41.9mm
                      63.5mm
                      25.4mm
                      -
                      Aluminum
                      1.65"
                      2.5"
                      1"
                      -
                      -
                      501403B00000G
                      BOYD 501403B00000G
                      18M8142

                      Data Sheet

                      RoHS

                      BOYD
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. 10 °C/W
                      5. TO-3
                      6. 35.6 mm
                      7. 19.05 mm
                      8. 47.8 mm
                      Each
                      1+
                      $4.260
                      Min: 1 / Mult: 1
                      10°C/W
                      TO-3
                      35.6mm
                      19.05mm
                      47.8mm
                      -
                      Aluminum
                      1.4"
                      0.75"
                      1.88"
                      -
                      -
                      273-AB
                      WAKEFIELD THERMAL 273-AB
                      81F046

                      Data Sheet

                      RoHS

                      WAKEFIELD THERMAL
                      1. Heat Sink
                      2. Square
                      3. Black Anodized
                      4. 24.5 °C/W
                      5. TO-218
                      6. TO-220
                      7. 19.1 mm
                      8. 9.53 mm
                      9. 19 mm
                      Each
                      1+
                      $0.348
                      10+
                      $0.348
                      25+
                      $0.348
                      50+
                      $0.348
                      100+
                      $0.321
                      More Pricing...
                      Min: 1 / Mult: 1
                      24.5°C/W
                      TO-218, TO-220
                      19.1mm
                      9.53mm
                      19mm
                      -
                      Aluminum
                      0.75"
                      0.375"
                      0.75"
                      -
                      273 Series
                      SK 508 100 SA
                      FISCHER ELEKTRONIK SK 508 100 SA
                      17T6992

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. Extruded
                      5. LED
                      6. 3.8 °C/W
                      7. 100 mm
                      8. 24.99 mm
                      9. 100 mm
                      Each
                      1+
                      $10.790
                      10+
                      $10.240
                      25+
                      $9.710
                      50+
                      $9.170
                      100+
                      $8.620
                      More Pricing...
                      Min: 1 / Mult: 1
                      1.75°C/W
                      -
                      100mm
                      25mm
                      100mm
                      -
                      Aluminium
                      3.94"
                      0.98"
                      3.94"
                      -
                      -
                      529802B02500G
                      BOYD 529802B02500G
                      18M8164

                      Data Sheet

                      RoHS

                      BOYD
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. Extruded
                      5. With Radial Fins
                      6. 3.7 °C/W
                      7. TO-220
                      8. 41.9 mm
                      9. 38.1 mm
                      10. 38.1 mm
                      Each
                      1+
                      $9.270
                      Min: 1 / Mult: 1
                      3.7°C/W
                      TO-220
                      41.9mm
                      38.1mm
                      38.1mm
                      -
                      Aluminum
                      1.65"
                      1.5"
                      1.5"
                      -
                      -
                      MC33279
                      MULTICOMP PRO MC33279
                      09R3164

                      Data Sheet

                      RoHS

                      MULTICOMP PRO
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. 7.1 °C/W
                      5. TO-220
                      6. 42 mm
                      7. 24.99 mm
                      8. 38 mm
                      Each
                      1+
                      $2.770
                      100+
                      $2.490
                      250+
                      $2.310
                      500+
                      $2.100
                      1000+
                      $1.950
                      Min: 1 / Mult: 1
                      7.1°C/W
                      TO-220
                      42mm
                      25mm
                      38mm
                      -
                      -
                      1.65"
                      0.98"
                      1.5"
                      -
                      -
                      AKK 127
                      FISCHER ELEKTRONIK AKK 127
                      67T0957

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. TO-3
                      3. TO-3
                      4. 14 C/W
                      5. 12.7 mm
                      6. 40 mm
                      7. 27 mm RoHS Compliant: Yes
                      Each
                      1+
                      $5.030
                      10+
                      $4.840
                      25+
                      $4.690
                      50+
                      $4.340
                      100+
                      $3.960
                      More Pricing...
                      Min: 1 / Mult: 1
                      14°C/W
                      TO-3
                      40mm
                      12.7mm
                      27mm
                      -
                      Aluminium
                      1.57"
                      0.5"
                      1.06"
                      -
                      -
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