TRIAC, 600V, 4A, TO-252-3; Peak Repetitive Off-State Voltage, Vdrm:600V; Gate Trigger Current Max (QI), Igt:35mA; On State RMS Current IT(rms):4A; Peak Non Rep Surge Current Itsm 50Hz:30A; Holding Current Max Ih:35mA; Gate Trigger Voltage Max Vgt:1.3V; Peak Gate Power:1W; Operating Temperature Min:-40°C; Operating Temperature Max:125°C; Thyristor Case:TO-252; No. of Pins:3; MSL:MSL 1 - Unlimited; SVHC:No SVHC (20-Jun-2013)