Category: Thyristors 

A thyristor is a four-layer semiconductor device that acts as a solid-state switch, designed to handle high voltages and large currents in power-control applications. It remains in a non-conductive “off” state until a small trigger current is applied to its gate, at which point it rapidly switches to a conductive “on” state and continues conducting as long as current flows above a certain holding threshold. This latching behavior makes thyristors ideal for controlling AC power, such as in motor drives, light dimmers, and controlled rectifiers, where precise timing of switching is essential. Their robustness, efficiency, and ability to manage significant electrical loads have made them foundational components in power electronics.

 

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Internal identifier: thyristor - Created: 2026-02-12 16:36:16