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

                      Natural Convection Heat Sinks:

                      1,340 Products Found
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                      Manufacturer
                      Thermal Resistance
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                      External Width - Metric
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                      External Width - Imperial
                      External Height - Imperial
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                      External Diameter - Imperial
                      Product Range
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                      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+
                      $1.440
                      10+
                      $1.370
                      25+
                      $1.300
                      50+
                      $1.230
                      100+
                      $1.160
                      Min: 1 / Mult: 1
                      30°C/W
                      BGA
                      14mm
                      6mm
                      14mm
                      -
                      Aluminium
                      0.55"
                      0.24"
                      0.55"
                      -
                      -
                      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+
                      $1.720
                      10+
                      $1.630
                      25+
                      $1.540
                      50+
                      $1.450
                      100+
                      $1.370
                      Min: 1 / Mult: 1
                      6°C/W
                      TO-3
                      45mm
                      25.4mm
                      45mm
                      -
                      Aluminium
                      1.77"
                      1"
                      1.77"
                      -
                      -
                      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+
                      $4.090
                      10+
                      $3.970
                      25+
                      $3.890
                      50+
                      $3.810
                      100+
                      $3.720
                      More Pricing...
                      Min: 1 / Mult: 1
                      5.3°C/W
                      SOT-32, TO-3P, TO-220
                      42mm
                      50.8mm
                      25mm
                      -
                      Aluminium
                      1.65"
                      2"
                      0.98"
                      -
                      -
                      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"
                      -
                      -
                      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+
                      $3.600
                      10+
                      $3.460
                      25+
                      $3.350
                      50+
                      $3.100
                      100+
                      $2.830
                      More Pricing...
                      Min: 1 / Mult: 1
                      8.2°C/W
                      TO-3P, TO-220
                      45mm
                      12.7mm
                      25.4mm
                      -
                      Aluminium
                      1.77"
                      0.5"
                      1"
                      -
                      -
                      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+
                      $15.090
                      5+
                      $14.760
                      10+
                      $14.460
                      25+
                      $14.110
                      50+
                      $13.840
                      More Pricing...
                      Min: 1 / Mult: 1
                      0.7°C/W
                      TO-3
                      120.7mm
                      66.7mm
                      76.2mm
                      -
                      Aluminum
                      4.75"
                      2.63"
                      3"
                      -
                      -
                      P3/300B
                      SEMIKRON P3/300B
                      97K8151

                      Data Sheet

                      RoHS

                      SEMIKRON
                      1. Heat Sink
                      2. For Isolated Power Modules
                      3. IGBT Power Module
                      4. 0.33 C/W
                      5. 135 mm
                      6. 125 mm
                      7. 300 mm RoHS Compliant: Yes
                      Each
                      1+
                      $107.740
                      5+
                      $104.860
                      10+
                      $101.840
                      30+
                      $100.330
                      50+
                      $98.860
                      More Pricing...
                      Min: 1 / Mult: 1
                      0.33°C/W
                      IGBT Power Module
                      125mm
                      135mm
                      300mm
                      -
                      Aluminium
                      4.92"
                      5.31"
                      11.81"
                      -
                      -
                      FK 243 MI 247 O
                      FISCHER ELEKTRONIK FK 243 MI 247 O
                      34M6218

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. TO-218/220/250
                      3. TO-218
                      4. TO-229
                      5. TO-247
                      6. TO-248
                      7. 18.7 C/W
                      8. 27 mm
                      9. 20 mm
                      10. 9 mm RoHS Compliant: Yes
                      Each
                      1+
                      $2.590
                      10+
                      $2.530
                      25+
                      $2.390
                      50+
                      $2.300
                      100+
                      $2.240
                      More Pricing...
                      Min: 1 / Mult: 1
                      18.7°C/W
                      TO-218, TO-229, TO-247, TO-248
                      20mm
                      27mm
                      9mm
                      -
                      Copper
                      0.79"
                      1.06"
                      0.35"
                      -
                      -
                      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+
                      $1.480
                      10+
                      $1.480
                      25+
                      $1.480
                      50+
                      $1.480
                      100+
                      $1.480
                      More Pricing...
                      Min: 1 / Mult: 1
                      14°C/W
                      TO-3
                      40mm
                      12.7mm
                      27mm
                      -
                      Aluminium
                      1.57"
                      0.5"
                      1.06"
                      -
                      -
                      TV4
                      BOYD TV4
                      10WX1055

                      Data Sheet

                      RoHS

                      BOYD
                      1. Heat Sink
                      2. PCB
                      3. Board Level
                      4. 21 °C/W
                      5. SOT-32
                      6. TO-126
                      7. 22 mm
                      8. 19.05 mm
                      9. 19 mm
                      Each
                      1+
                      $7.400
                      10+
                      $7.120
                      25+
                      $6.890
                      50+
                      $6.380
                      100+
                      $5.830
                      More Pricing...
                      Min: 1 / Mult: 1
                      21°C/W
                      TO-126
                      22mm
                      19.05mm
                      19mm
                      -
                      Aluminum
                      0.87"
                      0.75"
                      0.75"
                      -
                      -
                      FK 244 13 D PAK
                      FISCHER ELEKTRONIK FK 244 13 D PAK
                      34M6222

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. For D Pak
                      5. 25 °C/W
                      6. TO-252
                      7. 23 mm
                      8. 10.01 mm
                      9. 13 mm
                      Each
                      1+
                      $2.220
                      Min: 1 / Mult: 1
                      25°C/W
                      TO-252
                      13mm
                      10mm
                      14.8mm
                      -
                      Copper
                      0.51"
                      0.39"
                      0.58"
                      -
                      -
                      TV5G
                      BOYD TV5G
                      10WX1058

                      Data Sheet

                      RoHS

                      BOYD
                      1. Heat Sink
                      2. PCB
                      3. Board Level
                      4. 21.6 °C/W
                      5. TO-220
                      6. 22 mm
                      7. 19 mm
                      8. 19 mm
                      Each
                      1+
                      $1.840
                      Min: 1 / Mult: 1
                      21.6°C/W
                      TO-126
                      22mm
                      19mm
                      19mm
                      -
                      Aluminium
                      0.87"
                      0.75"
                      0.75"
                      -
                      -
                      FK 237 SA 220 O
                      FISCHER ELEKTRONIK FK 237 SA 220 O
                      34M6211

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Square
                      3. PCB
                      4. Clip On
                      5. 21 °C/W
                      6. TO-220
                      7. 14.5 mm
                      8. 12.7 mm
                      9. 19 mm
                      Each
                      1+
                      $1.460
                      10+
                      $1.400
                      25+
                      $1.340
                      50+
                      $1.290
                      100+
                      $1.220
                      Min: 1 / Mult: 1
                      21°C/W
                      TO-220
                      14.5mm
                      12.7mm
                      19mm
                      -
                      Aluminium
                      0.57"
                      0.5"
                      0.75"
                      -
                      -
                      SK 92/100 SA
                      FISCHER ELEKTRONIK SK 92/100 SA
                      34M8487

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. Standard Extruded
                      3. Black Anodized
                      4. 2.15 °C/W
                      5. 100 mm
                      6. 40.01 mm
                      7. 100 mm
                      Each
                      1+
                      $18.180
                      10+
                      $17.280
                      25+
                      $16.360
                      50+
                      $15.450
                      100+
                      $14.550
                      More Pricing...
                      Min: 1 / Mult: 1
                      1.4°C/W
                      -
                      100mm
                      40mm
                      100mm
                      -
                      Aluminium
                      3.94"
                      1.57"
                      3.94"
                      -
                      -
                      SK 104 38,1 STS
                      FISCHER ELEKTRONIK SK 104 38,1 STS
                      46T6890

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. TO-220
                      3. SOT-32
                      4. TO-3P
                      5. TO-220
                      6. 11 C/W
                      7. 12.7 mm
                      8. 34.9 mm
                      9. 38.1 mm RoHS Compliant: Yes
                      Each
                      1+
                      $2.510
                      10+
                      $2.390
                      25+
                      $2.260
                      50+
                      $2.140
                      100+
                      $2.010
                      Min: 1 / Mult: 1
                      11°C/W
                      SOT-32, TO-3P, TO-220
                      34.9mm
                      12.7mm
                      38.1mm
                      -
                      Aluminium
                      1.37"
                      0.5"
                      1.5"
                      -
                      -
                      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+
                      $4.240
                      10+
                      $4.110
                      25+
                      $4.030
                      50+
                      $3.940
                      100+
                      $3.860
                      More Pricing...
                      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"
                      -
                      -
                      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+
                      $7.170
                      10+
                      $6.930
                      25+
                      $6.730
                      50+
                      $6.290
                      100+
                      $5.830
                      More Pricing...
                      Min: 1 / Mult: 1
                      7.8°C/W
                      TO-220
                      19.4mm
                      28mm
                      30mm
                      -
                      Aluminium
                      0.76"
                      1.1"
                      1.18"
                      -
                      -
                      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"
                      -
                      -
                      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+
                      $0.922
                      10+
                      $0.892
                      25+
                      $0.840
                      50+
                      $0.783
                      100+
                      $0.743
                      More Pricing...
                      Min: 1 / Mult: 1
                      123°C/W
                      SOIC-8, SOIC-14, SSOP-16, TSSOP-14, TSSOP-16
                      6.3mm
                      4.83mm
                      5.08mm
                      -
                      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+
                      $14.690
                      10+
                      $13.960
                      25+
                      $13.220
                      50+
                      $12.490
                      100+
                      $11.750
                      More Pricing...
                      Min: 1 / Mult: 1
                      1.75°C/W
                      -
                      100mm
                      25mm
                      100mm
                      -
                      Aluminium
                      3.94"
                      0.98"
                      3.94"
                      -
                      -
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