The BTA308X-800B0Q is a Triac manufactured by WeEn Semiconductor. It is a three-terminal silicon device which masks high power controlled AC switching. It features low gate trigger current, high noise immunity, light isolation when zero gate control current and high dielectric strength. It can switch up to 800 V in DC and AC applications. It has a TO-220F standard packaging perfect for compact designs. The package includes bonding pins, an isolated mounting tab, and an isolation pad. This product is a fast-switching solution used in industrial equipment, encryption devices, temperature controllers, heating elements, and sound alert components.