The 2N2329 from New Jersey Semiconductor is a Silicon Controlled Rectifier with Breakover Voltage 400 V, Breakover Current 15 A, Gate Trigger Voltage 0.35 to 1.0 V, Gate Trigger Current 50 to 350 uA, Temperature Operating Range -65 to 125 Degree C. Tags: Stud Mount. More details for 2N2329 can be seen below.