The T1040N22TOF VT from Infineon Technologies is a Silicon Controlled Rectifier with Breakover Voltage 2200 V, Breakover Current 18500 A, Gate Trigger Voltage 2.2 V, Gate Trigger Current 1039 A, Temperature Operating Range -40 to 125 Degree C. Tags: Chassis Mount. More details for T1040N22TOF VT can be seen below.