The name triac is given to a semiconductor switch that can have controlled conduction in either direction and the name is compounded from tri from triode to indicate there are three electrodes or terminals, and the abbreviation ac to indicate the control of alternating current.


Circuit Diagram Junction Temperature Gate Pulse Gate Current Gate Signal 
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  1. Dubey, G.K. et al. Thyristorised Power Controllers. Wiley Eastern Ltd., 1986.Google Scholar
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  5. Laster, Clay. Thyristor Theory and Application. Blue Ridge Summit: PA Tab Books Inc., 1986.Google Scholar

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© R.S. Ramshaw 1993

Authors and Affiliations

  • R. S. Ramshaw
    • 1
  1. 1.Department of Electrical and Computer EngineeringUniversity of WaterlooOntarioCanada

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