Catalog > Electro-Mechanical Components > Heatsinks > Extruded for TO-3 Extruded Heatsink for TO-3 Extruded Heatsink SK48-37,5SA Extruded Heatsink for TO-3 • pattern not Drilled • Rth= 3 K/W • Length : 37.5mm • Black Anodised surface 77.86 ZAR inc for 1 Each 4 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Drilling Pattern not Drilled Thermal Resistance 3 K/W Length 37.5mm Surface Type Black Anodised