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4N35 Optocoupler Phototransistor IC

SKU: 1759

    ₹ 12.00 12.0 INR ₹ 12.00 (Incl. GST)

    ₹ 10.17

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    Description:

    4N35 Optocoupler Phototransistor IC is an infrared emitter diode that drives a phototransistor. They are also known as optoisolators since they separate two circuits optically. The 4N35 optocoupler consists of gallium arsenide infrared LED and a silicon NPN phototransistor. 

    These are used to couple two circuits without any ohmic contact. They allow one of the circuits to switch to another one while they are completely separate. The first circuit is connected to the IR diode while the other circuit with the phototransistor. The isolation ensures that no damage occurs in either of the circuits while the other one has a fault. 


    Features:

    • Gallium-Arsenide-Diode Infrared Source Optically Coupled to a Silicon NPN Photo-transistor

    • High Direct-Current Transfer Ratio

    • High-Voltage Electrical Isolation 1.5-kV, 2.5-kV, or 3.55-kV Rating

    • High-Speed Switching tr = 7 µs, tf = 7 µs Typical

    • Input-to-output peak voltage (8-ms half sine wave)4N35= 3.55 kV

    • Input-to-output root-mean-square voltage (8-ms half sine wave)4N35= 2.5 kV

    • Collector-base voltage=70 V

    • Collector-emitter voltage=30 V

    • Emitter-base voltage=7 V

    • Input-diode reverse voltage=6 V

    • Input-diode forward current: Continuous 60 mA

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


    Specifications:

    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


    Applications:

    • AC mains detection 

    • Reed relay driving 

    • Switch-mode power supply feedback 

    • Telephone ring detection 

    • Logic ground isolation 

    • Logic coupling with high-frequency noise rejection  


    Package Includes:

    • 1 x 4N35 Optocoupler IC

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