The 1450PK200 from RIR Power Electronics is a Silicon Controlled Rectifier with Breakover Voltage 2000 V, Breakover Current 19400 A, Gate Trigger Voltage 3.0 V, Gate Trigger Current 250 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Disc. More details for 1450PK200 can be seen below.