H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 3/20 (2006.01) H02M 7/00 (2006.01)
Patent
CA 2168312
An assembly structure of a self-turn-off switching device and a snubber circuit connected in parallel with the self-turn-off switching device. The snubber circuit is composed of at least a series circuit of a snubber diode and a snubber capacitor. The assembly structure includes the self-turn-off switching device, the snubber diode and the snubber capacitor. The assembly structure also includes a conductive heat sink on which the self-turn-off switching device is mounted at a first surface thereof and the snubber diode is mounted at a first surface thereof, for cooling the self-turn-off switching device and the snubber diode and for connecting the first surfaces of the self-turn-off switching device and said snubber diode. The assembly structure further includes a first conductor on which the snubber diode is mounted at a second surface thereof for connecting the second surface of the snubber diode and a first terminal of the snubber capacitor, a second conductor positioned in parallel with the first conductor for connecting a second terminal of the snubber capacitor and a second surface of the self-turn-off switching device, and an insulating spacer positioned between the first and second conductors for insulating the first and second conductors.
Kijima Kenji
Matsumoto Toshiaki
Kabushiki Kaisha Toshiba
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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