The FS0402NI00TU from Fagor Electronica is a Silicon Controlled Rectifier with Breakover Voltage 800 V, Breakover Current 30 to 33 A, Gate Trigger Voltage 0.8 V, Gate Trigger Current 200 uA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for FS0402NI00TU can be seen below.