Optocouplers, Arduino Optocoupler Circuits | RS
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    Optocouplers

    An optocoupler IC, also known as an opto-isolator or photocoupler, is a semiconductor device which is used to couple isolated circuits. Within an optocoupler you will find a light emitter and a light sensor. Optocouplers usually come in a semiconductor package, such as SOIC or PDIP.

    How does an optocoupler IC work?

    Optocouplers work by transferring energy from one circuit to another circuit via an optical transmission path, while providing electrical isolation

    The light emitter device can come in the form of an LED (light emitting diode) that produces IR or visible light, or a laser diode. The light emitter receives the input and converts it into a light signal. The light detector senses the light emitter and converts it back into an electrical signal.

    Optocouplers are often used in high-voltage applications to block the high voltages and variations in voltage. This ensures that, if there is a spike in one part of a circuit, it will not affect other parts. Therefore they are ideal for applications which may experience variations in voltage.

    Types of Optocoupler:

    • Resistive

    • Photodiode

    • Phototransistor

    • Bidirectional

    Output Types

    • CMOS

    • Darlington

    • IGBT Gate Drive

    • Logic Gate

    • MOSFET

    • Photodarlington

    • Phototransistor

    • Single Transistor

    • TRIAC

    3933 Producten voor Optocouplers

    Broadcom
    Logic Output
    Through Hole
    Darlington
    1.7V
    2
    8
    PDIP
    DC
    -
    20 mA
    5 kVrms
    5000%
    400%
    -
    -
    HCPL
    Broadcom
    Logic Output
    Surface Mount
    Transistor
    1.75V
    1
    8
    SOIC
    DC
    0.024µs
    150 mA
    3.75 kVrms
    -
    -
    0.01µs
    -
    HCPL
    Vishay
    -
    Through Hole
    Transistor
    1.9V
    1
    8
    DIP
    DC
    -
    25 mA
    5300 Vrms
    35%
    -
    -
    -
    6N136
    onsemi
    -
    Surface Mount
    Phototriac
    1.5V
    1
    6
    DIP
    DC
    -
    60 mA
    7500 V
    -
    -
    -
    -
    MOC
    Broadcom
    -
    Surface Mount
    Phototransistor
    1.4V
    1
    8
    SOIC
    DC
    2µs
    5 mA
    3000 Vrms
    260%
    -
    3µs
    -
    ACPL
    Vishay
    -
    Through Hole
    Transistor
    1.65V
    4
    16
    PDIP
    DC
    1.9µs
    60 mA
    5300 V ac
    300%
    20%
    1.4µs
    -
    ILQ
    Isocom
    -
    Through Hole
    NPN Phototransistor
    1.3V
    2
    8
    DIP
    AC
    4µs
    50 mA
    5300 Vrms
    600%
    50%
    3µs
    -
    TLP521
    Vishay
    -
    Through Hole
    MOSFET
    1.45V
    -
    8
    DIP
    -
    -
    -
    -
    -
    -
    -
    -
    LH
    Broadcom
    -
    Surface Mount
    Phototransistor
    1.4V
    2
    8
    SO
    DC
    2µs
    5 mA
    3 kV
    260%
    -
    3µs
    -
    ACPL
    Toshiba
    -
    Surface Mount
    Phototransistor
    1.85V
    -
    -
    SDIP
    -
    -
    25 mA
    5000 Vrms
    -
    -
    -
    -
    TLP
    Broadcom
    -
    Surface Mount
    Phototransistor
    1.4V
    1
    8
    SOIC
    DC
    2µs
    5 mA
    3000 Vrms
    260%
    -
    3µs
    -
    ACPL
    Lite-On
    -
    Through Hole
    Transistor
    1.4V
    2
    8
    PDIP
    DC
    4µs
    50 mA
    5 kVrms
    600%
    50%
    3µs
    -
    LTV
    Broadcom
    Logic Output
    Surface Mount
    Transistor
    1.8V
    1
    8
    DIP
    DC
    5ns
    25 mA
    3750 Vrms
    90%
    -
    5ns
    -
    HCPL
    Toshiba
    -
    Surface Mount
    Phototransistor
    1.4V
    1
    4
    SO
    DC
    2µs
    50 mA
    3750 Vrms
    400%
    200%
    3µs
    -
    TLP291
    Vishay
    -
    Surface Mount
    Photodiode
    1.45V
    2
    8
    SMD
    DC
    -
    -
    -
    -
    -
    -
    -
    LH
    Lite-On
    Logic Output
    Through Hole
    Transistor
    1.7V
    1
    8
    DIP
    DC
    20ns
    15 mA
    5 kVrms
    -
    -
    6.6ns
    -
    6N137
    Isocom
    -
    Through Hole
    Transistor
    1.5V
    1
    6
    PDIP
    DC
    2µs
    60 mA
    5.3 kVrms
    -
    20 %
    2µs
    -
    4N25
    Vishay
    -
    Through Hole
    Transistor
    1.9V
    1
    8
    PDIP
    DC
    -
    25 mA
    5300 V ac
    35%
    19%
    -
    -
    SFH
    € 1,405
    Per stuk (geleverd in een tube)
    IXYS
    -
    -
    -
    -
    -
    -
    -
    -
    -
    1 mA
    5000 Vrms
    -
    -
    -
    -
    CPC
    Broadcom
    Logic Output
    Surface Mount
    Open Collector
    1.95V
    2
    16
    SO
    -
    50ns
    25 mA
    -
    -
    -
    50ns
    -
    ACPL
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