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TRIAC : Basics, Structure, Working, States, Circuit, VI Characteristics & Its Applications

December 12, 2023 By WatElectronics

TRIAC

Triode for Alternating Current, or TRIAC, stands as an important semiconductor device in the realm of electronics, especially in applications where precise control over alternating current (AC) power is paramount. From dimmer switches to motor speed control systems, these devices find their place in a diverse array of applications. In This article we will look into the working principles of TRIACs, shedding light on their operational intricacies. Furthermore, we will explore the considerations … [Read more...]

BT139 TRIAC : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications

December 4, 2023 By WatElectronics

BT139 TRIAC

TRIAC or Triode for Alternating Current is a three-terminal AC device that is used mainly for switching AC. Generally, TRIACs are made with two SCRs which are connected in a reverse-parallel arrangement by gates coupled to each other. TRIACs and SCRs are different because, in TRIACs, it allows the flow of current in both directions whereas an SCR allows current in only a single direction. Most TRIACs are activated by providing either a positive (+ve) or negative (-ve) voltage to the gate … [Read more...]

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