DESCRIPTION
The MOC119 device has a gallium arsenide infrared emitting diode coupled to a silicon darlington phototransistor.

FEATURES
• High current transfer ratio of 300%
• No base connection for improved noise immunity
• Underwriters Laboratory (UL) recognized File# E90700

APPLICATIONS
• Appliances, measuring instruments
• I/O interface for computers
• Programmable controllers
• Portable electronics
• Interfacing and coupling systems of
   different potentials and impedance
• Solid state relays