The MCC240-60io2 from Littelfuse is a Silicon Controlled Rectifier with Breakover Voltage 6000 V, Breakover Current 240 A, Gate Trigger Voltage 1.1 V, Gate Trigger Current 376 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for MCC240-60io2 can be seen below.