Isolated tab triacs st bta08 600b standard insulated tab triac 8a rms on state current 84a peak non repetitive surge current 600v peak repetitive off state voltage 13v gate trigger voltage 50ma gate trigger current 50ma holding current 50mr dynamic resistance 1w power dissipation to 220ab package suitable for general purpose ac switching they can be used as an on off function in applications such as static relays heating regulation induction motor starting circuits for phase