Quick Q&A
Question: What is the Difference Between a Silicon-controlled Rectifier (SCR) and a Triac?



Answer:

Silicon-controlled rectifiers (SCRs) and triacs are both thyristors, meaning they are semiconductor devices which act as switches (not amplifiers).

The main difference between the two is that Silicon-controlled rectifiers swich direct current (DC), while triacs swich alternating current (AC).

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