The EL817 series of devices each consist of an infrared emitting diodes,

optically coupled to a phototransistor detector.

They are packaged in a 4-pin DIP package and available in wide-lead spacing and SMD option.

Applications

• Programmable controllers

• System appliances, measuring instruments

• Telecommunication equipments

• Home appliances, such as fan heaters, etc.

• Signal transmission between circuits of different potentials and impedances