CPC H05K 7/2089 (2013.01) [H05K 7/02 (2013.01); H05K 7/2039 (2013.01)] | 13 Claims |
1. A system, comprising:
an electrical appliance adapted to be fastened to a support element and including:
a heat sink;
circuit boards;
a housing; and
a power module including semiconductor switches adapted to be actuated in a pulse-width-modulated manner;
wherein each circuit board is fastened to the heat sink, and the heat sink is adapted to be fastened to the support element, the housing surrounding the circuit boards and being fastened to the heat sink;
wherein the power module is connected to the heat sink at a contact surface of the heat sink for dissipation of heat;
wherein the contact surface is arranged on a base plate of the heat sink;
wherein cooling fins are premolded on the heat sink on a side of the base plate located opposite the contact surface; and
wherein a plate-shaped support section, arranged parallel to the base plate, is premolded on a first one of the cooling fins, a plate-shaped wall section, arranged perpendicular to the base plate, is premolded on the base plate, and the base plate is disposed between the support section and the wall section.
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