Catalog > Electro-Mechanical Components > Fasteners Hardware > Electronic Hardware > Heatsink Insulators and Bushes Silicone Rubber Washer for Silicone Rubber Washer Silicone Rubber Washer TO126 Part No: WK126 5.52 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 foil type: foil WK for transistor: TO 126 material: silicone foil, GF reinforced, one side self-adhesive tolerance (material thickness): -0.04 / 0.02 thermal resistance: 0.45 K/W hardness: 87 IRHD thermal conductivity: 0,9 W/m·K temperature range: -40°C... +150°C insulation resistance: 1·1013 Ω·m elongation: 2 % dielectric strength: 6 kV class of inflammability: UL 94 V-0 storage conditions: -20 °C - +50 °C 45 % - 85 % humidity