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Triacs

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Triacs | Bidirectional AC Switches for Power Control

A Triac is a three-terminal semiconductor device (MT1, MT2, gate) that conducts in both directions when triggered, making it ideal for AC applications. Triacs can be triggered with positive or negative gate pulses and remain conducting until the current drops below the holding level. Commonly used in power control such as dimmers, motor speed control, and heating.