The T533N80TOH PR from Infineon Technologies is a Silicon Controlled Rectifier with Breakover Voltage 8000 V, Breakover Current 10500 A, Gate Trigger Voltage 2.5 V, Gate Trigger Current 540 A, Temperature Operating Range -40 to 120 Degree C. Tags: Chassis Mount. More details for T533N80TOH PR can be seen below.