The MCR16NHR from Digitron Semiconductors is a Silicon Controlled Rectifier with Breakover Voltage 800 V, Breakover Current 160 A, Gate Trigger Voltage 0.5 to 1.0 V, Gate Trigger Current 2.0 to 20 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for MCR16NHR can be seen below.