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4N27 - Vishay

Description: Vishay 4N27 DC Input Phototransistor Output Optocoupler, Through Hole, 6-Pin PDIP

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Symbol
4N27 - Vishay - PCB symbol
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PCB Footprints
4N27 - Vishay PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 4N27-1
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3D Models
4N27 - Vishay - 3D model - Dual-In-Line Packages - 4N27-1
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4N27 Details

  • Manufacturer Part Number:

    4N27

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    ROHS COMPLIANT, DIP-6

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.40.80.00

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    Vishay Intertechnologies

  • YTEOL:

    5

  • Additional Feature:

    UL RECOGNIZED

  • Coll-Emtr Bkdn Voltage-Min:

    30 V

  • Configuration:

    SINGLE

  • Current Transfer Ratio-Min:

    10%

  • Current Transfer Ratio-Nom:

    30%

  • Dark Current-Max:

    50 nA

  • Forward Current-Max:

    0.06 A

  • Forward Voltage-Max:

    1.5 V

  • Isolation Voltage-Max:

    1500 V

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Elements:

    1

  • On-State Current-Max:

    0.15 A

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -55 °C

  • Optoelectronic Device Type:

    TRANSISTOR OUTPUT OPTOCOUPLER

  • Power Dissipation-Max:

    0.15 W

  • Response Time-Max:

    0.0000028 s

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin/Copper/Silver (Sn/Cu/Ag)

4N27 Frequently Asked Questions (FAQs)

  • The maximum allowable voltage that can be applied to the input pins is 5V, as exceeding this voltage can cause damage to the internal LED.
  • To ensure reliable operation in high-temperature environments, it's essential to derate the device's current and voltage ratings according to the temperature derating curve provided in the datasheet.
  • The recommended input current for the 4N27 is 10mA to 20mA, as this range provides optimal performance and reliability.
  • The 4N27 is not suitable for high-frequency applications (>10kHz) due to its limited bandwidth. For high-frequency applications, consider using a high-speed optocoupler like the 6N137 or 7N137.
  • Choose a resistor value that limits the input current to the recommended range (10mA to 20mA) based on the supply voltage and the LED's forward voltage drop (typically 1.2V to 1.4V).

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4N27 Overview

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