4N30W [Onsemi]

These are general purpose 6-pin photodarlington optocouplers featuring high sensitivity to low input drive current, meeting or exceeding all JEDEC Registered Specifications, with VDE 0884 approval available as a test option. They consist of a gallium arsenide infrared emitter optically coupled to a silicon planar photodarlington, suitable for low power logic circuits, telecommunications equipment, portable electronics, solid state relays, and interfacing coupling systems of different potentials and impedances.