Method of fabricating packaged TRIAC and trigger switch

Details Method of fabricating packaged TRIAC and trigger switch Method of fabricating packaged TRIAC and trigger switch

1988-05-09

1990-04-03

Hearn, Brian E.

Fishing, trapping, and vermin destroying

437 51, 437209, 148DIG126, 357 76, H01L 2131

Patent

active

049140450

ABSTRACT:
A two-terminal, bidirectional semiconductor trigger switch is provided. The trigger switch is a relatively sensitive multilayer semiconductor breakover device that switches on fully when its breakover voltage is reached. The design of the trigger switch allows its breakover voltage point to be readily adjustable during fabrication of the device.
The semiconductor trigger switch is particularly suited to provide a low voltage trigger for a TRIAC. The trigger switch is connected in series with the gate of the TRIAC and mounted on the gate lead to provide a unitary, three-terminal device incorporating the TRIAC/trigger switch combination.

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