The BT152-600R from Shenzhen Huake Semiconductor is a Silicon Controlled Rectifier with Breakover Voltage 600 V, Breakover Current 250 A, Gate Trigger Voltage 0.7 to 1.3 V, Gate Trigger Current 4 to 25 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for BT152-600R can be seen below.