The NTE56028 from NTE Electronics is a Triac with Breakover Voltage 800 V, Breakover Current 350 A, Gate Trigger Voltage 1.1 to 2 V, Gate Trigger Current 0.025 to 0.075 A, Temperature Operating Range -40 to 110 Degree C. Tags: Through Hole. More details for NTE56028 can be seen below.