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Aavid Thermalloy High Power Dissipation Heat Sinks

These high power dissipation, extruded heat sinks have been designed to accommodate one or more TO220 packages.

  • Can also be used with TO218 and TO3P types
  • Suitable securing clips are available separately, please see below
  • Type KL100-1 has a threaded slot to accommodate a TO220 if preferred
  • The heat sinks are designed to minimise board space, with a threaded slot in the base to aid assembly
Description Image Product Buy Pricing (Ex VAT) Type Thermal Conductivity Dimensions For Use With
Aavid Thermalloy KL100-1 TO220 Heat Sink for High Power 3.4°C/W
Aavid Thermalloy KL100-1 TO220 Heat Sink for High Power 3.4°C/W
Standard range
Order code: 36-0208
MPN: KL100-1

26 in stock, despatched same dayAdditional quantity lead time 14 days
1+ £10.28
10+ £9.20
50+ £7.79
Price per unit Ex VAT
Clip-on heatsink 3.4°C/W 100 x 50 x 28mm TO-220, TO-218, TO3P
Aavid Thermalloy KM75-1 Heat Sink TO220 3.7°C/W
Aavid Thermalloy KM75-1 Heat Sink TO220 3.7°C/W
Standard range
Order code: 36-0318
MPN: KM75-1

19 in stock, despatched same dayAdditional quantity lead time 14 days
1+ £11.89
10+ £9.69
50+ £7.43
Price per unit Ex VAT
Clip-on heatsink 3.7°C/W 75 x 45 x 30mm TO-220, TO-218, TO3P
Aavid Thermalloy 4525 Clip for KM75-1
Aavid Thermalloy 4525 Clip for KM75-1
Standard range
Order code: 36-0298
MPN: 4525

Out of stock99 due on 29/12/2025
1+ £0.408
10+ £0.371
50+ £0.303
100+ £0.223
Price per unit Ex VAT
Retaining clip TO-220, TO-218, TO3P
TypeThermal DimensionsOrder code
resistance(H x W x D)
KL100-13.4°C/W28 x 50 x 100mm36-0208
KM100-13.3°C/W45 x 30 x 100mm36-0210
KM75-13.7°C/W45 x 30 x 75mm36-0318
4426Clip for TO220 with lugs36-0296
4525Clip for TO220 no lugs for space saving36-0298


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