Assembly structure of self-turn-off switching device and snubber

Details Assembly structure of self-turn-off switching device and snubber Assembly structure of self-turn-off switching device and snubber

1996-01-26

1997-10-07

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

363 56, H02H 900

Patent

active

056754663

ABSTRACT:
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.

REFERENCES:
patent: 5055990 (1991-10-01), Miki et al.
patent: 5132896 (1992-07-01), Nishizawa et al.

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