The SST139C-600E from SMC Diode Solutions is a Triac that is designed for middle and small resistance-type power loads. It has a break-over voltage of 600 V and a break-over current of less than 140 A. This thyristor has a gate trigger voltage of up to 1.3 V and a gate trigger current of 5-70 mA. It has a peak gate power of 5 W, a peak gate current of 2 A, and a junction-to-gate thermal resistance of 1.2 ?/W. This RoHS-compliant triac is available in a through-hole package that measures 29.8 x 10.3 mm and is ideal for industrial and commercial applications.