American Microsemiconductor, Inc.

WHEN IS A TRANSISTOR NOT A TRANSISTOR ? Answer: When its a unijunction transistor. Strictly speaking, the unijunction transistor is not a transistor but a thyristor.It has no linear current gain and it can't be used as an amplifier! Its typical application is to trigger an Silicon Controlled Rectifier (SCR), although its output is often used to trigger other d... Read more...

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View Unijunction Transistors (UJT) datasheets.