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4N37 - Vishay

Description: Vishay, 4N37 DC Input Transistor Output Optocoupler, Through Hole, 6-Pin DIP

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Symbol
4N37 - Vishay - PCB symbol
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PCB Footprints
4N37 - Vishay PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 6-Pin DIP
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3D Models
4N37 - Vishay - 3D model - Dual-In-Line Packages - 6-Pin DIP
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4N37 Details

  • Manufacturer Part Number:

    4N37

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DIP-6

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.40.80.00

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    Vishay Intertechnologies

  • YTEOL:

    6

  • Additional Feature:

    UL RECOGNIZED

  • Coll-Emtr Bkdn Voltage-Min:

    30 V

  • Configuration:

    SINGLE

  • Current Transfer Ratio-Min:

    100%

  • Current Transfer Ratio-Nom:

    100%

  • Dark Current-Max:

    50 nA

  • Forward Current-Max:

    0.06 A

  • Forward Voltage-Max:

    1.5 V

  • Isolation Voltage-Max:

    5300 V

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Elements:

    1

  • On-State Current-Max:

    0.1 A

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -55 °C

  • Optoelectronic Device Type:

    TRANSISTOR OUTPUT OPTOCOUPLER

  • Power Dissipation-Max:

    0.3 W

  • Response Time-Max:

    0.00001 s

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

4N37 Frequently Asked Questions (FAQs)

  • The 4N37 can operate safely between -40°C to 100°C, but the optimal operating temperature range is between 0°C to 70°C for reliable performance.
  • To ensure proper biasing, connect the anode of the LED to a voltage source through a current-limiting resistor, and connect the cathode to ground. The recommended forward current is 10mA to 20mA.
  • The maximum voltage that can be applied to the output transistor is 70V, but it's recommended to keep it below 50V for reliable operation.
  • Choose a resistor that limits the forward current to 10mA to 20mA, depending on the desired brightness and operating conditions. A higher current will result in a brighter LED, but may reduce the lifespan of the device.
  • The 4N37 is not suitable for high-frequency applications above 1MHz due to its limited bandwidth. For high-frequency applications, consider using a faster optocoupler like the 6N137 or 7N137.

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4N37 Overview

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