The S6002CSRP from Littelfuse is a Silicon Controlled Rectifier with Breakover Voltage 600 V, Breakover Current 2 A, Gate Trigger Voltage 1.5 V, Gate Trigger Current 0.0002 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for S6002CSRP can be seen below.