The T9S0142003DH from Powerex is a Silicon Controlled Rectifier with Breakover Voltage 1400 V, Breakover Current 27000 A, Gate Trigger Voltage 3 V, Gate Trigger Current 0.2 A, Temperature Operating Range -20 to 125 Degree C. Tags: Disc. More details for T9S0142003DH can be seen below.