The 1300PB40 from RIR Power Electronics is a Silicon Controlled Rectifier with Breakover Voltage 400 V, Breakover Current 24400 A, Gate Trigger Voltage 3.0 V, Gate Trigger Current 200 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Disc. More details for 1300PB40 can be seen below.