Patent ID: 7961487

Claim:
A power converter device that comprises: a substantially rectangular power module on which a plurality of switching devices are mounted; a substantially rectangular control circuit board on which a drive circuit of the switching devices is mounted; a heat exchanger on which the power module is mounted; and a smoothing capacitor, wherein: the power module comprises a pair of positive and negative direct current terminals connected with the smoothing capacitor, a plurality of alternating current terminals for inputting and outputting polyphase alternating current, a plurality of control terminals for providing the switching devices with control signals, and a case that encloses the plurality of switching devices and the plurality of control terminals; the direct current terminals and the alternating current terminals are set up in an array at a first side among four sides of the power module; the control terminals are set up at a second side which is opposite to the first side of the power module; the case comprises an inserting portion into which the control circuit board is inserted at a position corresponding to the second side of the power module; the control circuit board comprises a gate signal output terminal at one of its end edges, and the end edge at which the gate signal output terminal is set up is inserted into the case through the inserting portion of the case and is placed next to the second side of the power module; and the control terminals of the power module and the gate signal output terminal of the control circuit board are connected inside the case using bonding wires.