Kerafol Keratherm S/A Transistor Mounting Pads 1.4W/mK – Kerafol KERATHERMBRAUN70/50TO3, A TO-3 size 70/50 transistor mounting pad with a very smooth surface, giving it excellent thermal properties and insulation performance at low mounting pressures. Suitable for pressure sensitive applications in automotive, AV, domestic equipment, power converters, LCD display applications. Kerafol KERATHERMBRAUN70/50TO3 70/50 Thermal Transistor Pad TO3 1.4W/mK 0.25mm