The T5070480B4AQ from Powerex is a Silicon Controlled Rectifier with Breakover Voltage 400 V, Breakover Current 1400 A, Gate Trigger Voltage 3 V, Gate Trigger Current 0.15 A, Temperature Operating Range -40 to 125 Degree C. Tags: Screw Mount. More details for T5070480B4AQ can be seen below.