Fischer-Elektronik-11-Heat-Sink-for-TO-220-fischer-elektronik-SK104-38-1-STS-p-The-Fischer-Elektronik-11-Heat-Sink-is-an-extruded-heatsink-designed-for-PCB-mounting-that-comes-equipped-with-solderable-tinned-connection-pins-for-vertical-mounting-p-Fischer-Elektronik-SK104-38-1-STS-11-C-W-Heat-Sink-For-TO220