The MCR265-6HR from Digitron Semiconductors is a Silicon Controlled Rectifier with Breakover Voltage 400 V, Breakover Current 550 A, Gate Trigger Voltage 1 to 1.5 V, Gate Trigger Current 20 to 90 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for MCR265-6HR can be seen below.