Catalog > Electro-Mechanical Components > Heatsinks > Extruded for . Extruded Heatsink for . Extruded Heatsink SK49-1000SA Extruded Heatsink • Rth= 0.5 K/W • Length : 1000mm • Black Anodised surface 4,904.28 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Thermal Resistance 0.5 K/W Length 1000mm Surface Type Black Anodised