Catalog > Electro-Mechanical Components > Heatsinks > Extruded for TO-220 Extruded Heatsink for TO-220 Extruded Heatsink SK09-37,5SA220 HEATSINK 11,5K/W FOR TO-220 36.77 ZAR inc for 1 Each 29 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Drilling Pattern Drilled Thermal Resistance 9 K/W Length 37.5mm Surface Type Black Anodised