Zero point switching thyristor having an isolated emitter region

Details Zero point switching thyristor having an isolated emitter region Zero point switching thyristor having an isolated emitter region

1975-10-21

1977-05-31

James, Andrew J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 37, 357 68, 357 49, 357 55, 357 76, 357 17, 307305, H01L 2974, H01L 2348, H01L 2944, H01L 2952

Patent

active

040273229

ABSTRACT:
A conventional construction thyristor is modified to remove the short from the shorted emitter which is then led out to a separate pin for external connection. This enables the use of a simpler zero voltage switching control circuit.

REFERENCES:
patent: 3364440 (1968-01-01), Schreiner
patent: 3434022 (1969-03-01), Byrd
patent: 3566211 (1971-02-01), Svedberg
patent: 3641404 (1972-02-01), Svedberg
patent: 3708732 (1973-01-01), Faust
patent: 3727116 (1973-04-01), Thomas et al.
patent: 3914782 (1975-10-01), Nakata
patent: 3914783 (1975-10-01), Terasawa
patent: 3938173 (1976-02-01), Jackson et al.
patent: 3967308 (1976-06-01), Yatsuo et al.

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