Power conversion device

Details Power conversion device Power conversion device

2006-12-26

2008-08-19

Laxton, Gary L (Department: 2838)

Electric power conversion systems

Current conversion

Including automatic or integral protection means

C361S057000, C361S093900, C361S101000

Reexamination Certificate

active

07414867

ABSTRACT:
An insulated gate bipolar transistor and a protective circuit are incorporated. The protective circuit has first and second Zener diodes connected in series in directions opposite to each other between the gate and the current sense terminal of the insulated gate bipolar transistor, and third and fourth Zener diodes connected in series in directions opposite to each other between the gate and the emitter of the insulated gate bipolar transistor.

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