The STOE30G08 from Sirectifier Electronics is a Silicon Controlled Rectifier with Breakover Voltage 800 V, Breakover Current 270 to 320 A, Gate Trigger Voltage 1.3 to 1.6 V, Gate Trigger Current 25 to 50 mA, Temperature Operating Range -55 to 150 Degree C. Tags: Through Hole. More details for STOE30G08 can be seen below.