Catalog > Electro-Mechanical Components > Heatsinks > Extruded Heatsink Anodized 3K/W TO3 Heatsink Heatsink Anodized 3K/W TO3 Part No: SK97-37,5SA 113.28 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 drilling pattern: TO 3 width: 71.8 mm height: 23.5 mm plate thickness: 4.5 mm length: 37.5 mm thermal resistance: 3 - 1.75 K/W surface: black anodised custom processing: individual CNC machining desired length