Thermally conductive mica pad TO220 is an insulating pad for transistor, integrated circuit. Thermally conductive mica washer is used for elements in TO-220 housing, e.g. voltage regulators. Technical data Material: mica Dimensions: 18 x 13 mm Color: white transparent https://elecena.pl/product/22624087/18x13mm-thermally-conductive-mica-pad-to220-to-220-insulation-10-pcs 2023-02-23 https://elecena.pl/product/22624087/18x13mm-thermally-conductive-mica-pad-to220-to-220-insulation-10-pcs 2025-10-28