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FDH444TR - onsemi

Description: 100V/0.2A Small Signal General Purpose Diode

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Symbol
FDH444TR - onsemi - PCB symbol
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PCB Footprints
FDH444TR - onsemi PCB footprint - Diodes, Axial Diameter Horizontal Mounting - Diodes, Axial Diameter Horizontal Mounting - AXIAL LEAD CASE 017AG ISSUE O-1
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3D Models
FDH444TR - onsemi - 3D model - Diodes, Axial Diameter Horizontal Mounting - AXIAL LEAD CASE 017AG ISSUE O-1
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  • Datasheet Download Datasheet
  • Stock & Prices $ Price & Stock for FDH444TR
  • Part Number FDH444TR
  • Manufacturer onsemi
  • Pin Count 2
  • Part Category Diode
  • Package Category Diodes, Axial Diameter Horizontal Mounting
  • Footprint Name Diodes, Axial Diameter Horizontal Mounting - AXIAL LEAD CASE 017AG ISSUE O-1
  • Released Date Jan 8, 2026
  • Last Modified Date Jan 8, 2026 10:32 AM UTC
  • Pinout / Pin List Click Here (Member Only)

FDH444TR Details

  • Manufacturer Part Number:

    FDH444TR

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    Axial Lead

  • Manufacturer Package Code:

    017AG

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • Manufacturer:

    onsemi

  • Application:

    GENERAL PURPOSE

  • Breakdown Voltage-Min:

    150 V

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    RECTIFIER DIODE

  • Forward Voltage-Max (VF):

    1.1 V

  • JEDEC-95 Code:

    DO-35

  • JESD-30 Code:

    O-PALF-W2

  • JESD-609 Code:

    e3

  • Non-rep Pk Forward Current-Max:

    1 A

  • Number of Elements:

    1

  • Number of Phases:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    175 °C

  • Output Current-Max:

    0.2 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    LONG FORM

  • Power Dissipation-Max:

    0.5 W

  • Rep Pk Reverse Voltage-Max:

    150 V

  • Reverse Current-Max:

    0.05 µA

  • Reverse Recovery Time-Max:

    0.06 µs

  • Reverse Test Voltage:

    100 V

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    WIRE

  • Terminal Position:

    AXIAL

FDH444TR Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing thermal vias under the device, using a solid ground plane, and keeping the thermal path as short as possible. A 4-layer PCB with a dedicated thermal layer is recommended.
  • To ensure reliable operation at high temperatures, it's essential to follow the recommended operating conditions, use a suitable heat sink, and ensure good thermal contact between the device and the heat sink. Additionally, consider using a thermal interface material (TIM) to reduce thermal resistance.
  • Although the datasheet specifies the recommended operating voltage range, it's essential to note that the maximum allowed voltage on the input pins is typically 5.5V to prevent damage to the internal ESD protection diodes.
  • To prevent ESD damage, it's crucial to follow proper ESD handling procedures during manufacturing, storage, and shipping. Use ESD-safe materials, grounding straps, and ionizers to minimize the risk of ESD damage.
  • The recommended soldering profile for the FDH444TR involves a peak temperature of 260°C (500°F) with a dwell time of 10-30 seconds. It's essential to follow the recommended soldering profile to prevent damage to the device.

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FDH444TR Overview

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