Catalog > Electro-Mechanical Components > Fasteners Hardware > Electronic Hardware > Heatsink Insulators and Bushes Insulator Washers Insulator Washers Kapton Insulator Washer for TO220 Part No: KAP220K 12.02 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 For transistor : TO 220 Material : Polyimide-carrier foil with silicone-free phase changing thermal conductive layer completely coated on both sides Phase Change Temperature : 52 °C Thermal Resistance : 0.15K/W [at 1 inch2; = 6.45 cm2; = TO 3 (KAP 3)] Temperature Range : -40°C... +150°C Thermal Conductivity : 0.45 W/m·K (substrate) Insulation Resistance : 1014 Ω Material Thickness : 0.077mm (substrate 0.05mm) Elongation : 30% Dielectric Strength : 7.8kV Type Of Delivery : Cut Class of Inflammability : UL 94 V-0