The NTE5618 from NTE Electronics is a Triac with Breakover Voltage 600 V, Breakover Current 100 A, Gate Trigger Voltage 0.9 to 2.5 V, Gate Trigger Current 0.05 to 0.075 A, Temperature Operating Range -40 to 100 Degree C. Tags: Through Hole. More details for NTE5618 can be seen below.