The T12M5T600B(LS) from Diodes Incorporated is a Triac with Breakover Voltage 600 V, Breakover Current 90 A, Gate Trigger Voltage 1.5 V, Gate Trigger Current 5.0 mA, Temperature Operating Range -40 to 110 Degree C. Tags: Through Hole. More details for T12M5T600B(LS) can be seen below.