4N39 Optocoupler

6.00 EGP

In stock

The general purpose optocouplers consist of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a 6-pin dual in-line package

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SKU: CM-21747 Category: Tags: ,

Pin Description
Pin Number Description
1 Cathode
2 Anode
3 No Connection
4 Cathode
5 Anode
6 Gate


  • AC mains detection 
  • Reed relay driving 
  • Switch mode power supply feedback  
  • Telephone ring detection  
  • Logic ground isolation 
  • Logic coupling with high frequency noise rejection
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