Catalog > Electro-Mechanical Components > Heatsinks > Extruded Standard Extruded Heatsinks for Standard for Extruded Heatsink SK48-37,5AL 3K/W Standard Extruded Heatsinks 59.28 ZAR inc for 1 Each 10 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Thermal Resistance: 3.5 - 2 K/W Length: 37.5 mm Surface: raw degreased aluminium (by the metre raw aluminium) Height: 20 mm Width: 65 mm Plate Thickness: 4 mm