Isocom moc302 series optoisolator bilateral switch non zero crossing triac 6 pin isocom moc3023xsm an optically coupled isolator utilising a gallium arsenide ir led coupled with a light activated silicon bilateral switch that performs as a triac suitable for applications such as crts power triac driver motors consumer appliances printers etc isocom moc3023xsm optoisolator 1 channel triac out 400v so 6