IXYS, N1718NC180, Thyristor, 2000V 1718A, 300mA 2-Pin, N1718. Thyristor Type: PCT. Surge Current Rating: 27200A. Mounting Type: Stud. Maximum Gate Trigger Voltage: 3V. Maximum Holding Current: 1000mA. Height: 27.7mm. Dimensions: 74 (Dia.) x 27.7mm. Repetitive Peak Off-State Current: 100mA. Peak On-State Voltage: 1.85V.