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4N25SM - onsemi

Description: Minimum Current Transfer Ratio at IF = 10 mA, VCE = 10 V: • 10% for 4N27M and 4N28M • 20% for 4N25M and 4N26M • 100% for 4N35M, 4N36M and 4N37M; Safety and Regulatory Approvals: • UL1577, 4,170 VACRMS for 1 Minute • DIN-EN/IEC60747-5-5, 850 V Peak Working Insulation Voltage

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Symbol
4N25SM - onsemi - PCB symbol
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PCB Footprints
4N25SM - onsemi PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - PDIP6
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3D Models
4N25SM - onsemi - 3D model - SOT23 (6-Pin) - PDIP6
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4N25SM Details

  • Manufacturer Part Number:

    4N25SM

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    PDIP-6

  • Package Description:

    DIP-6

  • Manufacturer Package Code:

    646BY

  • Country Of Origin:

    Thailand

  • HTS Code:

    8541.40.80.00

  • Manufacturer:

    onsemi

  • YTEOL:

    6

  • Additional Feature:

    UL APPROVED, VDE APPROVED

  • Coll-Emtr Bkdn Voltage-Min:

    30 V

  • Configuration:

    SINGLE

  • Current Transfer Ratio-Min:

    20%

  • Dark Current-Max:

    50 nA

  • Forward Current-Max:

    0.06 A

  • Forward Voltage-Max:

    1.5 V

  • Isolation Voltage-Max:

    4170 V

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Elements:

    1

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -40 °C

  • Optoelectronic Device Type:

    TRANSISTOR OUTPUT OPTOCOUPLER

  • Packing Method:

    TUBE

  • Power Dissipation-Max:

    0.15 W

  • Response Time-Max:

    0.00001 s

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn) - annealed

4N25SM Frequently Asked Questions (FAQs)

  • The maximum allowable voltage that can be applied to the input pins is 5V, exceeding this voltage may cause damage to the device.
  • To ensure reliable operation in high-temperature environments, it is recommended 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 4N25SM is 10mA to 20mA, although the device can handle up to 50mA. Higher input currents may reduce the device's lifespan.
  • The 4N25SM is not suitable for high-frequency applications (>10kHz) due to its limited bandwidth. For high-frequency applications, consider using a faster optocoupler like the FODM8071 or the TLP2361.
  • To protect the 4N25SM from EMI, use proper PCB layout techniques, such as separating the input and output circuits, using shielding, and adding bypass capacitors to reduce noise.

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4N25SM Overview

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