Description
The 4N29, 4N30, 4N31, 4N32, 4N33 have a gallium arsenide infrared emitter optically coupled to a silicon planar photodarlington.

Features
■ High sensitivity to low input drive current
■ Meets or exceeds all JEDEC Registered Specifications
■ VDE 0884 approval available as a test option
   – add option .300. (e.g., 4N29.300)

Applications
■ Low power logic circuits
■ Telecommunications equipment
■ Portable electronics
■ Solid state relays
■ Interfacing coupling systems of different potentials and impedances