Housing for electronic component group e.g. automobile load switching module has interlocking U-shaped profiles forming housing contacting opposite end faces of heat sink blocks mounted on circuit boards within housing

摘要

The housing has U-shaped profiles forming the housing sidewalls, with the side arms of the opposing U-shaped profiles interlocked together with relative play, the bases of the U-shaped profiles contacting the opposing end faces (70,72,74,76) of the heat sink blocks (66,68) mounted on the circuit boards (60,62) contained within the housing.