The FS0104MA00BU from Fagor Electronica is a Silicon Controlled Rectifier with Breakover Voltage 600 V, Breakover Current 7 to 8 A, Gate Trigger Voltage 0.8 V, Gate Trigger Current 15 to 50 uA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for FS0104MA00BU can be seen below.