ATS’ clipKIT Heat Sink attachment assemblies are compatible with any manufacturers industry standard, commercial off the shelf straight fin, pin fin, cross cut or slant fin heat sinks. The heat sink base height must be no less than 1.75mm and no more than 4mm high. As shown here by dimension B, the fin width must be less than or equal to 4.75mm. The fin width between the spring “legs” must be less than or equal to 7.25mm for the clip to fit. ATS offers a complete line of standard heat sinks that are compatible.