The FS1210MG00TU from Fagor Electronica is a Silicon Controlled Rectifier with Breakover Voltage 600 V, Breakover Current 140 to 145 A, Gate Trigger Voltage 1.3 V, Gate Trigger Current 2 to 25 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for FS1210MG00TU can be seen below.