Catalog > Electro-Mechanical Components > Heatsinks > Extruded Heatsink Extruded Profile for Extruded Heatsink Heatsink Extruded Profile 3 K/W Part No: SK81-50SA 121.90 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Thermal Resistance : 3.4 - 1.9 K/W Length : 50 mm Surface : Black Anodised Height : 15 mm Width : 100 mm Plate Thickness : 4 mm