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A new three-terminal thyristor-based high-power switching configuration with high-voltage current saturation

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1 Author(s)
J. S. Ajit ; Int. Rectifier Corp., El Segundo, CA, USA

A new high-voltage power switch configuration having thyristor based on-state current conduction together with high-voltage current saturation characteristics is described. Current saturation is obtained in the new thyristor structure by diverting part of the base current at a predesigned current level to bring the NPN and PNP transistors comprising the thyristor out of their regeneratively-coupled conduction mode. The concept has been experimentally verified by fabricating 1200 V, 175 A devices.

Published in:

IEEE Electron Device Letters  (Volume:18 ,  Issue: 7 )