Catalog > Electro-Mechanical Components > Heatsinks > Extruded for . Extruded Heatsink for . Extruded Heatsink SK42-150SA Extruded Heatsink • Rth= 0.75 K/W • Length : 150mm • Black Anodised surface 786.60 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 Thermal Resistance 0.75 K/W Length 150mm Surface Type Black Anodised