Over on YouTube [Lockdown Electronics] reviews an old bit of kit known as the Silicon Controlled Rectifier (SCR). Invented in the 1950s the SCR is a type of thyristor and they were popular back in ...

State-of-the-art welding machines aren’t cheap, and for good reason: pushing around that much current in a controlled way and doing it over an entire workday takes some heavy-duty parts. There are ...

The R820 Series silicon control rectifiers provide modulation of electric loads using industry-standard proportional controls from thermostats and building systems. It incorporates a compact control ...

Medium power, single-phase silicon controlled rectifiers, with 25 A current handling, provide enhanced glass passivation with low thermal resistance and high dl/dt and dV/dt capabilities. America ...