Transistor protection circuit

Details Transistor protection circuit Transistor protection circuit

1980-02-27

1982-06-01

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

361 98, 361 91, 330298, 330207P, H02H 338, H02H 720

Patent

active

043331203

ABSTRACT:
A protection circuit for an output transistor includes a transistor having two discrete emitter regions and which is responsive to both the voltage across the protected transistor and its drive current to provide both short circuit and overcurrent protection for the output transistor.

REFERENCES:
patent: 3609413 (1971-09-01), Lane et al.
patent: 3895286 (1975-07-01), Steckler
patent: 4021701 (1977-05-01), Davies
patent: 4042889 (1977-08-01), Baker
patent: 4074334 (1978-02-01), D'Arrigo et al.
patent: 4270159 (1981-05-01), Buckle

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