The 2N880HR from Digitron Semiconductors is a Silicon Controlled Rectifier with Breakover Voltage 150 V, Breakover Current 7 A, Gate Trigger Voltage 0.4 to 0.8 V, Gate Trigger Current 40 to 200 µA, Temperature Operating Range -65 to 150 Degree C. Tags: Through Hole. More details for 2N880HR can be seen below.