Bergquist Sil-Pad 900S Thermally Conductive Low-pressure Insulating Material – Bergquist SP900S-0.009-AC-54, A high performance thermally conductive material for applications requiring high thermal conductivity, the pads can be applied to either the heatsink or the device and are specifically designed for low mounting pressure applications, clip-mount pads have no fixing holes, . Bergquist SP900S-0.009-AC-54 Pk10 SIL-pad 900-s Tac – T0220