STMicroelectronics P0109DA 1AA3, Thyristor 400V, 0.5A 0.001mA

A range of Sensitive Gate Thyristors from STMicroelectronics which are especially suitable for applications where the available gate triggering current is limited. Typical uses are in ground fault circuit interrupters and residual current circuit breakers.

Thyristors - STMicroelectronics

STMicroelectronics produces a large range of Thyristors, also known as SCRs or Silicon Controlled Rectifiers, which are suitable for a host of power switching and control applications. Specialized types include sensitive gate thyristors and devices designed for capacitance discharge applications.