Catalog > Electro-Mechanical Components > Fasteners Hardware > Electronic Hardware > Miscellaneous Silicone Insulating Material Rubber Washer Silicone Insulating Rubber Washer WK220 Silicone Insulating Material Rubber Washer TO220 Green 13.68 ZAR inc for 1 Each 44 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Colour : Green Foil Type : foil WK For Transistor : TO 220 Material : Silicone foil, GF reinforced, one-sided self-adhesive Material Thickness : 0.2 mm Tolerance : -0.04 / 0.02 Thermal Resistance Rth : 0.45 K/W Thermal Conductivity : 0.92 W/m·K Hardness Range : 87 Shore A Temperature Range : -60°C ~ +180°C Insulation Resistance : 5.7·1015 Ω·cm Extensibility : 2 % Dielectric Strength : 6.5 kV Class of Flammibility : UL 94 V-0