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1N459TR - onsemi

Description: High Conductance Low Leakage Diode

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PCB Footprints
1N459TR - 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
1N459TR - 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 1N459TR
  • Part Number 1N459TR
  • 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)

1N459TR Details

  • Manufacturer Part Number:

    1N459TR

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    Axial Lead

  • Manufacturer Package Code:

    017AG

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.70

  • Manufacturer:

    onsemi

  • YTEOL:

    5.85

  • Application:

    GENERAL PURPOSE

  • Breakdown Voltage-Min:

    200 V

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    RECTIFIER DIODE

  • Forward Voltage-Max (VF):

    1 V

  • JEDEC-95 Code:

    DO-35

  • JESD-30 Code:

    O-PALF-W2

  • JESD-609 Code:

    e3

  • Non-rep Pk Forward Current-Max:

    4 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

  • Qualification Status:

    Not Qualified

  • Rep Pk Reverse Voltage-Max:

    200 V

  • Reverse Current-Max:

    0.025 µA

  • Reverse Test Voltage:

    175 V

  • Surface Mount:

    NO

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    WIRE

  • Terminal Position:

    AXIAL

1N459TR Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the 1N459TR is -65°C to 150°C.
  • To ensure proper biasing, the 1N459TR requires a minimum of 10mA of current and a voltage of at least 3.5V to maintain its voltage regulation.
  • The maximum power dissipation for the 1N459TR is 1.5W, and it's essential to ensure proper heat sinking to prevent overheating.
  • While the 1N459TR is primarily designed for linear voltage regulation, it can be used in switching regulator applications with proper design considerations, such as adding external components to filter out high-frequency noise.
  • To protect the 1N459TR, it's recommended to add external overvoltage protection (OVP) and overcurrent protection (OCP) circuits to prevent damage from voltage spikes and excessive current.

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1N459TR Overview

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1N459TR Alternates

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Image Part Number Model
Part Image 1N459 onsemi

Rectifier Diode, 1 Phase, 1 Element, 0.2A, 200V V(RRM), Silicon, DO-35

Part Image 1N459TR Fairchild Semiconductor Corporation

Rectifier Diode, 1 Element, 0.2A, 200V V(RRM), Silicon, DO-35,

Part Image 1N459A.TR National Semiconductor Corporation

Rectifier Diode, 1 Phase, 1 Element, 0.2A, 200V V(RRM), Silicon, DO-35

Part Image 1N459_T50R Fairchild Semiconductor Corporation

Rectifier Diode, 1 Element, 0.2A, 200V V(RRM), Silicon, DO-35,

Part Image 1N459T50A Fairchild Semiconductor Corporation

Rectifier Diode, 1 Phase, 1 Element, 0.2A, Silicon, DO-35

For a full list of alternate parts for 1N459TR, check out Findchips.com