The BTA16-600SWRG by STMicroelectronics is a Triac sensitive gate, three quadrant tri-functional thyristor designed for switching, phase control and chopper applications. This device is rated for 600V and 16A, has a gate trigger current of 5mA and has a holding current of 8A. It features popular tigt-gate construction and encapsulated design intended to withstand harsh industrial conditions. The BTA16-600SWRG is Surge-rated and carrying ST's Quality Assurance certification.