The T193-3200-44 from Proton-Electrotex JSC is a Silicon Controlled Rectifier with Breakover Voltage 4400 V, Breakover Current 60.0 to 72.0 kA, Gate Trigger Voltage 2.00 to 5.00 V, Gate Trigger Current 200 to 500 mA, Temperature Operating Range -60 to 125 Degree C. Tags: Disc. More details for T193-3200-44 can be seen below.