The T2563N80TOH PR from Infineon Technologies is a Silicon Controlled Rectifier with Breakover Voltage 8000 V, Breakover Current 90000 A, Gate Trigger Voltage 1.8 V, Gate Trigger Current 2300 A, Temperature Operating Range -40 to 120 Degree C. Tags: Chassis Mount. More details for T2563N80TOH PR can be seen below.