What is SCR ? Why it is used

Question

Accepted Answer

SCR stands for Silicon Controlled Rectifier. It is a semiconductor device used for power control.

SCR is a type of thyristor used for switching and controlling high power AC and DC circuits.
It has three terminals - anode, cathode, and gate.
SCR is used in various applications such as motor control, lighting control, heating control, and power supplies.
It is also used in welding machines, battery chargers, and voltage regulators.
SCR is preferred over other devices due to its high reliability, low cost, and easy maintenance.