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FOD2742B - onsemi

Description: 2.5V reference; CTR 100% to 200%; Low temperature coefficient 50 ppm/°C max; UL approval E90700; 2,500V RMS isolation; VDE approval 136616; CSA approval 1113643; BSI approval 8661, 8662; FOD2742A: tolerance 0.5%; FOD2742B: tolerance 1%; FOD2742C: tolerance 2%; Optocoupler, precision reference and error amplifier in single package

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FOD2742B - onsemi - PCB symbol
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PCB Footprints
FOD2742B - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead SOIC
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3D Models
FOD2742B - onsemi - 3D model - Small Outline Packages - 8-Lead SOIC
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FOD2742B Details

  • Manufacturer Part Number:

    FOD2742B

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SOIC-8

  • Package Description:

    SOIC-8

  • Manufacturer Package Code:

    751DZ

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Thailand

  • HTS Code:

    8541.40.80.00

  • Manufacturer:

    onsemi

  • YTEOL:

    3

  • Additional Feature:

    UL RECOGNIZED

  • Coll-Emtr Bkdn Voltage-Min:

    70 V

  • Configuration:

    SINGLE

  • Current Transfer Ratio-Min:

    100%

  • Current Transfer Ratio-Nom:

    100%

  • Dark Current-Max:

    50 nA

  • Forward Current-Max:

    0.02 A

  • Forward Voltage-Max:

    1.5 V

  • Isolation Voltage-Max:

    2500 V

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Elements:

    1

  • On-State Current-Max:

    0.05 A

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Optoelectronic Device Type:

    TRANSISTOR OUTPUT OPTOCOUPLER

  • Power Dissipation-Max:

    0.085 W

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn) - annealed

FOD2742B Frequently Asked Questions (FAQs)

  • A good PCB layout for the FOD2742B involves keeping the input and output traces separate, using a ground plane, and minimizing the length of the traces to reduce parasitic inductance and capacitance.
  • To ensure proper biasing, follow the recommended biasing circuit in the datasheet, and make sure the input voltage is within the specified range (typically 2.7V to 5.5V). Also, ensure the output is properly terminated with a load resistor.
  • The FOD2742B can handle a maximum continuous current of 100mA, but it's recommended to keep the current below 50mA for optimal performance and to prevent overheating.
  • To protect the FOD2742B from ESD and overvoltage, use a TVS diode or a zener diode on the input lines, and consider adding a series resistor to limit the current. Also, ensure the PCB has adequate clearance and creepage distances to prevent arcing.
  • The FOD2742B is rated for operation up to 85°C, but it's recommended to derate the device for temperatures above 70°C to ensure reliable operation. Consult the datasheet for specific derating guidelines.

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FOD2742B Overview

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