The MCC650-24io7 from Littelfuse is a Silicon Controlled Rectifier with Breakover Voltage 2400 V, Breakover Current 646 A, Gate Trigger Voltage 0.874 V, Gate Trigger Current 1542 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for MCC650-24io7 can be seen below.