The NTE5411 from NTE Electronics is a Silicon Controlled Rectifier with Breakover Voltage 30 V, Breakover Current 25 to 35 A, Gate Trigger Voltage 1 V, Gate Trigger Current 0.0002 to 0.0005 A, Temperature Operating Range -40 to 110 Degree C. Tags: Through Hole. More details for NTE5411 can be seen below.