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4N35 6 Pin PhotoTransistor Optocoupler

৳ 30.00

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6 Pin DIP PhotoTransistor Optocoupler.

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4N35 is a popular and industry-standard optocoupler IC having a phototransistor output with base connection. It can provide up to 5kV electrical isolation between circuits, ensuring that high voltage signals and spikes from one circuit do not affect the lower voltage control circuitry.  Common applications include logic ground isolation, AC mains detection, reed relay driving, power supply regulation, protection from ground loops etc. Optocouplers are also referred to as photocouplers or opto-isolators.

Pin Diagram:

4N35 Optcoupler pin diagram, pinout



  1. Gallium-Arsenide-Diode Infrared Source Optically Coupled to a Silicon npn Photo-transistor
  2. High Direct-Current Transfer Ratio
  3. High-Voltage Electrical Isolation 1.5-kV, 2.5-kV, or 3.55-kV Rating
  4. High-Speed Switching tr = 7 µs, tf = 7 µs Typical
  5. Input-to-output peak voltage (8-ms half sine wave)4N35= 3.55 kV
  6. Input-to-output root-mean-square voltage (8-ms half sine wave)4N35= 2.5 kV
  7. Collector-base voltage=70 V
  8. Collector-emitter voltage=30 V
  9. Emitter-base voltage=7 V
  10. Input-diode reverse voltage=6 V
  11. Input-diode forward current: Continuous 60 mA



Applications Include Remote Terminal Isolation, SCR and Triac Triggers, Mechanical Relays and Pulse Transformers.


Package Included:


  • 2pcs * 4N35 6 Pin PhotoTransistor Optocoupler


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