The MS TF700C22FA from MS Power is a Silicon Controlled Rectifier with Breakover Voltage 2200 V, Breakover Current 11.5 kA, Gate Trigger Voltage 3.0 V, Gate Trigger Current 300 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Disc. More details for MS TF700C22FA can be seen below.