The MS T1194C05 from MS Power is a Silicon Controlled Rectifier with Breakover Voltage 500 V, Breakover Current 17500 to 18500 A, Gate Trigger Voltage 3.0 V, Gate Trigger Current 250 mA, Temperature Operating Range -40 to 130 Degree C. Tags: Disc. More details for MS T1194C05 can be seen below.