Patent ID: 7190070

Claim:
A power semiconductor module for mounting on a flat body, comprising a plurality of partial modules, each of said partial modules having: a base plate; a framelike housing; terminal elements for load terminals and auxiliary terminals; at least one electrically insulated substrate disposed inside said housing on said base plate, said substrate having an insulation body with a plurality of metal connection tracks located therein and insulated from one another, and power semiconductor components, located on said connection tracks and electrically connected thereto; at least two open-slotlike recesses on a side thereof, and positioned so that, when said partial modules are assembled into a power semiconductor module, said recesses in sides of adjacent partial modules face one another to form closed slots; and a cap for connecting adjacent partial modules to one another; said cap having round slotlike recesses for receiving screws, which, in the abutting region of said partial modules, are aligned with said recesses that form said slots therein.