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  • 4N38 Optocoupler Phototransistor IC DIP-8 Package

4N38 optocoupler consists of gallium arsenide infrared LED and a silicon NPN phototransistor .These couplers are Underwriters Laboratories (UL) listed to comply with a 5000 VRMS isolation test voltage. This isolation performance is accomplished through double molding isolation manufacturing process. Compliance to DIN EN 60747-5-5 partial discharge isolation specification is available for these families by ordering option 1. These isolation processes and the ISO9001 quality program results in the highest isolation performance available for a commercial plastic phototransistor optocoupler .The devices are available in lead formed configuration suitable for surface mounting and are available either on tape and reel, or in standard tube shipping containers.


  • Isolation test voltage 5300 VRMS
  • Interfaces with common logic families
  • Input-output coupling capacitance < 0.5 pF
  • Industry standard dual-in-line 6 pin package


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


VRReverse voltage6V
IFForward current60mA
IFSMSurge current2.5A
PdissPower dissipation100mW
VCEOCollector-emitter breakdown voltage70V
VEBOEmitter-base breakdown voltage7V
ICCollector current50mA

Package Includes:-

1 x 4N38 Optocoupler Phototransistor IC DIP-8 Package

Country Of Origin
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 18.88 (Inclusive of all Taxes)
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4N38 Optocoupler Phototransistor IC DIP-8 Package

  • Product Code: EC-11076
  • Availability: 1808
  • Rs.16.00
  • (Excluding 18% GST)