Description: TRIAC, 4Q, 1A, 600V, SOT223; Peak Repetitive Off-State Voltage, Vdrm:600V; Gate Trigger Current Max (QI), Igt:7mA; On State RMS Current IT(rms):1A; Peak Non Rep Surge Current Itsm 50Hz:13.8A; Gate Trigger Voltage Max Vgt:1.