MOCD223M is a dual channel phototransistor small outline surface mount optocoupler, with U.L. and VDE recognition, 500% minimum high current transfer ratio, 30 volts minimum BVCEO, and 2500 VAC(rms) guaranteed high input-output isolation voltage. It can be used in interfacing and coupling systems of different potentials and impedances, general purpose switching circuits, monitor and detection circuits