Isocom moc306 series optoisolators bilateral switch zero crossing triac 6 pin isocom moc3063xsmt r an optically coupled isolator that utilises a gallium arsenide ir led coupled with a light activated monolithic silicon detector performing the functions of a zero crossing bilateral triac suitable for applications such as crts power triac driver motors consumer appliances printers etc isocom moc3063xsmt r optoisolator 1 channel triac out 600v so 6