Catalog > Electro-Mechanical Components > Heatsinks > Special Type for . Special Heatsink for . Special Heatsink SK68-37,5SA Special Heatsink • pattern Drilled • Rth= 5.75 K/W • Length : 37.5mm • Black Anodised surface 96.90 ZAR inc for 1 Each 6 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Drilling Pattern Drilled Thermal Resistance 5.75 K/W Length 37.5mm Surface Type Black Anodised