Catalog > Electro-Mechanical Components > Heatsinks > Special Type for TO-220 Special Heatsink for TO-220 Special Heatsink SK64-37,5SA1XM3 Special Heatsink for TO-220 • pattern M3 x1 Drilled • Rth= 4.1 K/W • Length : 37.5mm • Black Anodised surface 116.28 ZAR inc for 1 Each 5 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Drilling Pattern M3 x1 Drilled Thermal Resistance 4.1 K/W Length 37.5mm Surface Type Black Anodised