Aavid Thermalloy SW63-4 Heat Sink for TO218 and TO247 Clip or Bolt...

Aavid Thermalloy Compact Vertical TO220/TO218/TO247 Heat Sink - Aavid Thermalloy SW63-4, A 7°C/W compact, vertical mounting extruded heat sink with solderable fixing pins. Aavid Thermalloy SW63-4 Heat Sink for TO218 and TO247 Clip or Bolt on Type

Price: 3.12 from Rapid Online Rapid Electronics Ltd.