Discussion :: Thyristors and Tranducers - General Questions (Q.No.1)
|Meghana said: (Sep 20, 2011)|
|The triac is a three-terminal ac switch that is triggered into conduction when a low-energy signal is applied to its gate terminal. Unlike the SCR, the triac conducts in either direction when turned on. The triac also differs from the SCR in that either a positive or negative gate signal triggers it into conduction. Thus the triac is a three terminal, four layer bidirectional semiconductor device that controls ac power whereas an SCR controls dc power or forward biased half cycles of ac in a load.|
|Hareeshkumar said: (May 8, 2016)|
|I agree with you @Meghana.|
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