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  • 4N35 IC - Optocoupler Phototransistor IC

The 4N35 optocoupler consists of gallium arsenide infrared LED and a silicon NPN phototransistor. The couplers are Underwriters Laboratories (UL) listed to comply with a 5300 VRMS isolation test voltage. 

This isolation performance is accomplished through  double molding isolation manufacturing process. Comliance to DIN EN 60747-5-2(VDE0884)/ DIN EN 60747-5-5 pending 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 commecial 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

Agency Approvals:- 

• Underwriters Laboratory File #E52744 

• DIN EN 60747-5-2(VDE0884) 

   DIN EN 60747-5-5 pending 

   Available with Option 1 


AC mains detection 

Reed relay driving 

Switch mode power supply feedback 

Telephone ring detection 

Logic ground isolation 

Logic coupling with high frequency noise rejection  


Symbol Parameter Value Unit
VR Reverse voltage 6 V
IF Forward current 60 mA
IFSM Surge current 2.5 A
Pdiss Power dissipation 100 mW
VCEO Collector-emitter breakdown voltage 70 V
VEBO Emitter-base breakdown voltage 7 V
IC Collector current 100 mA

Related Document:-

 4N35 IC Data Sheet

Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 17.7 (Inclusive of all Taxes)
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4N35 IC - Optocoupler Phototransistor IC

  • Product Code: EC-1571
  • Availability: 3082
  • Rs.15.00
  • (Excluding 18% GST)