4N31 Datasheet PDF - QT Optoelectronics => Fairchildsemi

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.