The T2563NH80TOH from Infineon Technologies is a Silicon Controlled Rectifier with Breakover Voltage 8000 V, Breakover Current 90000 A, Gate Trigger Voltage 2.95 V, Gate Trigger Current 2300 A, Temperature Operating Range -40 to 120 Degree C. Tags: Chassis Mount. More details for T2563NH80TOH can be seen below.