Bidirectional two-terminal thyristor

Details Bidirectional two-terminal thyristor Bidirectional two-terminal thyristor

1992-06-22

1994-01-25

Ngo, Ngan

Active solid-state devices (e.g., transistors, solid-state diode

Regenerative type switching device

Having only two terminals and no control electrode , e.g.,...

257154, 257163, 257164, 257653, H01L 2974

Patent

active

052818322

ABSTRACT:
A bidirectional two-terminal ungated thyristor (9) having two wide-base portions (25, 27). The bidirectional two-terminal ungated thyristor (9) has a first semiconductor device having a first narrow-base portion (28) in series with a first wide-base portion (25), and a second semiconductor device having a second narrow-base portion (26) in series with a second wide-base portion (27). A width of the first wide base portion (25) and a width of the second wide base portion (27) are decreased to decrease a total base width. The first and second wide-base portions (25, 27) having a decreased width produce a low forward voltage drop across the bidirectional two-terminal ungated thyristor (9); thus, improving a power dissipation capability of the bidirectional two-terminal ungated thyristor (9).

REFERENCES:
patent: 5040042 (1991-08-01), Bauer et al.

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