This 25A high temperature Alternistor TRIAC, offered in TO-220AB, TO-220 isolated and TO-263, as well as robust TO-218 Isolated and TO-218X isolated with loop lead. This TRIAC has 150C maximum junction temperature and 250A ITSM(60Hz). This series enables easier thermal management and higher surge handling capability in AC power control applications such as heater control, motor speed control, lighting controls, and static switching relays. Alternistor TRIAC operates in quadrants I, II, & III and offers high performance in applications requiring high commutation capability.