The NYC0102BLT1G from Littelfuse is a Silicon Controlled Rectifier with Breakover Voltage 200 V, Breakover Current 0.25 A, Gate Trigger Voltage 0.8 V, Gate Trigger Current 0.0002 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for NYC0102BLT1G can be seen below.