Catalog > Electro-Mechanical Components > Heatsinks > U-Shaped KK562 Heatsinks Small Heatsinks Part No: KK562 8.63 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Material : Spring Bronze CuSn 15 for Transistor : TO 5 Material Thickness : 0.3 mm Thermal Resistance : 60 K / W Surface : Blackened