The MS TF2100C19H2N from MS Power is a Silicon Controlled Rectifier with Breakover Voltage 1900 V, Breakover Current 34 kA, Gate Trigger Voltage 3.0 V, Gate Trigger Current 250 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Disc. More details for MS TF2100C19H2N can be seen below.