Controlled electronic switching device for the suppression of tr

Details Controlled electronic switching device for the suppression of tr Controlled electronic switching device for the suppression of tr

1984-12-03

1986-09-30

James, Andrew J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 86, 357 51, 307252K, H01L 2974, H01L 2702, H03K 1760

Patent

active

046149627

ABSTRACT:
This controlled electronic switching device for the suppression of transients can change over from a non-conductive state to a conductive state at lower triggering current levels than conventional devices while retaining unaltered its response characteristics to variations in the voltage applied thereacross. The device comprises a main switch which is triggered by a parallel-connected auxiliary switch having smaller junction areas and a higher capacitive current shunt resistance (resistance between base and emitter) than the main switch, thereby it turns on at lower control currents from the gate electrode for a given response to voltage variations.

REFERENCES:
patent: 4223332 (1980-09-01), Sittig

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