The T9G0201203DH from Powerex is a Silicon Controlled Rectifier with Breakover Voltage 2000 V, Breakover Current 27000 A, Gate Trigger Voltage 3 V, Gate Trigger Current 0.2 A, Temperature Operating Range -40 to 125 Degree C. Tags: Disc. More details for T9G0201203DH can be seen below.