The KG1000A from Huajing Rectifier is a Silicon Controlled Rectifier with Breakover Voltage 800 to 2500 V, Breakover Current 12000 A, Gate Trigger Voltage 0.8 to 3.0 V, Gate Trigger Current 30 to 300 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Disc. More details for KG1000A can be seen below.