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EL817 Optocoupler SMD 4-Pin IC

The EL817 device consists of the infrared emitting diode, optically coupled to a phototransistor detector. They come in a 4-pin SMD package, 2 pins are for input and the other two are for output. Each device in the EL817 series is made up of an infrared emitting diode that is optically coupled to a phototransistor detector. 

Pinout 

1 Anode
2 Cathode 
3 Emitter 
4 Collector

Applications

  • Programmable controllers 
  • System appliances, measuring instruments 
  • Telecommunication equipment 
  • Home appliances, such as fan heaters, etc. 
  • Signal transmission between circuits of different potentials and impedances

Specifications

Model EL 817
Type Active
Package SMD
No of Pin 4
Forward Current 50mA
Reverse Voltage 6V
Storage temperature -55 ~ +125°C
Total power dissipation 200 mW
Country of Origin China
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