The 2500PL180 from RIR Power Electronics is a Silicon Controlled Rectifier with Breakover Voltage 1800 V, Breakover Current 37000 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 2500PL180 can be seen below.