The 2500PU430 from RIR Power Electronics is a Silicon Controlled Rectifier with Breakover Voltage 4300 V, Breakover Current 24400 A, Gate Trigger Voltage 3.0 V, Gate Trigger Current 300 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Disc. More details for 2500PU430 can be seen below.