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1N4149 - onsemi

Description: Small Signal Diode

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1N4149 - onsemi PCB footprint - Other - Other - DIO_1N4149
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1N4149 - onsemi  - 3D model - Other - DIO_1N4149
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1N4149 Details

  • Manufacturer Part Number:

    1N4149

  • 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

  • HTS Code:

    8541.10.00.70

  • Manufacturer:

    onsemi

  • YTEOL:

    5.8

  • Application:

    GENERAL PURPOSE

  • Breakdown Voltage-Min:

    75 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:

    2 A

  • Number of Elements:

    1

  • Number of Phases:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    175 °C

  • Output Current-Max:

    0.5 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:

    100 V

  • Reverse Current-Max:

    0.025 µA

  • Reverse Recovery Time-Max:

    0.004 µs

  • Reverse Test Voltage:

    20 V

  • Surface Mount:

    NO

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    WIRE

  • Terminal Position:

    AXIAL

1N4149 Frequently Asked Questions (FAQs)

  • The recommended storage temperature for 1N4149 diodes is -40°C to 100°C.
  • While the 1N4149 is a general-purpose diode, it's not ideal for high-frequency applications due to its relatively high capacitance and inductance. For high-frequency applications, consider using a diode specifically designed for high-frequency use.
  • To prevent electrostatic discharge (ESD) damage, handle 1N4149 diodes with ESD-protective equipment, such as wrist straps, mats, and bags. Also, ensure that your workspace is ESD-protected.
  • The maximum surge current rating for the 1N4149 diode is 30A for a 1ms pulse width.
  • While the 1N4149 diode can be used in switching power supplies, it's not the best choice due to its relatively slow switching speed and high voltage drop. Consider using a faster-switching diode, such as a Schottky diode, for switching power supply applications.

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1N4149 Overview

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1N4149 Alternates

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Image Part Number Model
Part Image 1N4149 Fairchild Semiconductor Corporation

Rectifier Diode, 1 Phase, 1 Element, 0.5A, 100V V(RRM), Silicon, DO-35

Part Image 1N4149 Crimson Semiconductor Inc

Rectifier Diode, 1 Phase, 1 Element, 0.15A, 100V V(RRM), Silicon, DO-35

Part Image 1N4149.TR Texas Instruments

100V, SILICON, SIGNAL DIODE, DO-35

Part Image 1N4149 Unitrode Corporation

Rectifier Diode, 1 Phase, 1 Element, 0.2A, 100V V(RRM), Silicon, DO-35

Part Image 1N4149 Baneasa SA

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

For a full list of alternate parts for 1N4149, check out Findchips.com