A thyristor is a four-layered, three-terminal electronic component that functions as a switch or gate in an electric circuit. It consists of four layers of alternating P-type and N-type semiconductor material, which form three p-n junctions. The three terminals of a thyristor are known as the anode, cathode, and gate.
Thyristors can be classified into two main types: SCRs (silicon controlled rectifiers) and TRIACs (triode for alternating current). SCRs are unidirectional devices that can conduct current in only one direction, while TRIACs are bidirectional devices that can conduct current in either direction.
Thyristors can be used to control the flow of current in a circuit by turning them on or off in response to a control signal applied to the gate terminal. They can be turned on by applying a voltage to the gate terminal that is above a certain threshold level. Once turned on, a thyristor will continue to conduct current until it is turned off by removing the control signal or by applying a reverse voltage across the main terminals.
Thyristors are widely used in a variety of applications, including power electronics, motor control, and lighting control. They are known for their high switching speeds, high voltage and current handling capability, and low on-state resistance.
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MCR100-6G 400V 800mA Thyristor – Pack of 10$9.95 Add to cart
MCR100-8G 600V 800mA Thyristor – Pack of 10$9.95 Add to cart