The T1500N18TOF VT from Infineon Technologies is a Silicon Controlled Rectifier with Breakover Voltage 1800 V, Breakover Current 33500 A, Gate Trigger Voltage 2 V, Gate Trigger Current 1500 A, Temperature Operating Range -40 to 125 Degree C. Tags: Chassis Mount. More details for T1500N18TOF VT can be seen below.