The SKT 50/16E from Semikron Danfoss is a Silicon Controlled Rectifier with Breakover Voltage 1600 V, Breakover Current 900 to 1050 A, Gate Trigger Voltage 3 V, Gate Trigger Current 150 mA, Temperature Operating Range -40 to 130 Degree C. Tags: Screw Mount. More details for SKT 50/16E can be seen below.