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FODM121R2 - onsemi

Description: More than 5mm Creepage/Clearance; Current Transfer Ratio in Selected Groups DC Input: FODM121: 50–600% FODM121A: 100–300% FODM121B: 50–150% FODM121C: 100–200% FODM124: 100% MIN FODM2701: 50–300% AC Input: FODM2705: 50–300%; Compact 4-Pin Surface Mount Package (2.4mm Maximum Standoff Height); Safety and Regulatory Approvals: ♦ UL1577, 3,750 VACRMS for 1 Minute ♦ DIN−EN/IEC60747−5−5, 565 V Peak Working Insulation Voltage

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FODM121R2 - onsemi - PCB symbol
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PCB Footprints
FODM121R2 - onsemi PCB footprint - Other - Other - MFP4 3.85X4.4, 2.54P CASE 100AP ISSUE O
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FODM121R2 Details

  • Manufacturer Part Number:

    FODM121R2

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MFP-4

  • Manufacturer Package Code:

    100AP

  • Country Of Origin:

    Thailand

  • HTS Code:

    8541.40.80.00

  • Manufacturer:

    onsemi

  • YTEOL:

    8

  • Additional Feature:

    UL APPROVED

  • Coll-Emtr Bkdn Voltage-Min:

    80 V

  • Configuration:

    SINGLE

  • Current Transfer Ratio-Min:

    50%

  • Dark Current-Max:

    100 nA

  • Forward Current-Max:

    0.05 A

  • Forward Voltage-Max:

    1.3 V

  • Isolation Voltage-Max:

    3750 V

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Elements:

    1

  • Operating Temperature-Max:

    110 °C

  • Operating Temperature-Min:

    -40 °C

  • Optoelectronic Device Type:

    TRANSISTOR OUTPUT OPTOCOUPLER

  • Packing Method:

    TR

  • Power Dissipation-Max:

    0.15 W

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn) - annealed

FODM121R2 Frequently Asked Questions (FAQs)

  • A good PCB layout for FODM121R2 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, connect the VCC pin to a stable voltage source, and the GND pin to a solid ground plane. The recommended operating voltage is 5V, but it can operate from 3.3V to 5.5V.
  • The FODM121R2 can handle a maximum continuous current of 1A, but it's recommended to keep the current below 500mA for optimal performance and to prevent overheating.
  • To protect the FODM121R2 from ESD and overvoltage, use a TVS diode or a zener diode on the input lines, and consider adding a fuse or a PTC resettable fuse to prevent overcurrent conditions.
  • The recommended operating temperature range for FODM121R2 is -40°C to 125°C, but it can operate up to 150°C for short periods of time.

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FODM121R2 Overview

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