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1N4749A - onsemi

Description: Zener Diode 24 V 1 W ±5% Through Hole DO-41

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PCB Footprints
1N4749A - onsemi PCB footprint - Diodes, Axial Diameter Horizontal Mounting - Diodes, Axial Diameter Horizontal Mounting - DO-204AL (DO-41)
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3D Models
1N4749A - onsemi  - 3D model - Diodes, Axial Diameter Horizontal Mounting - DO-204AL (DO-41)
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1N4749A Details

  • Manufacturer Part Number:

    1N4749A

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    Axial Lead / DO-41

  • Pin Count:

    2

  • Manufacturer Package Code:

    017AH

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Manufacturer:

    onsemi

  • YTEOL:

    5.85

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    ZENER DIODE

  • Dynamic Impedance-Max:

    25 Ω

  • JEDEC-95 Code:

    DO-41

  • JESD-30 Code:

    O-PALF-W2

  • JESD-609 Code:

    e3

  • Knee Impedance-Max:

    750 Ω

  • Number of Elements:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    200 °C

  • Operating Temperature-Min:

    -65 °C

  • Package Body Material:

    GLASS

  • Package Shape:

    ROUND

  • Package Style:

    LONG FORM

  • Polarity:

    UNIDIRECTIONAL

  • Power Dissipation-Max:

    1 W

  • Qualification Status:

    Not Qualified

  • Reference Voltage-Nom:

    24 V

  • Reverse Current-Max:

    5 µA

  • Reverse Test Voltage:

    18.2 V

  • Surface Mount:

    NO

  • Technology:

    ZENER

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    WIRE

  • Terminal Position:

    AXIAL

  • Voltage Tol-Max:

    5%

  • Working Test Current:

    10.5 mA

1N4749A Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the 1N4749A is -65°C to +175°C.
  • To ensure the 1N4749A is used within its SOA, follow the maximum ratings and electrical characteristics specified in the datasheet, and consider factors such as power dissipation, voltage, and current.
  • The typical reverse recovery time of the 1N4749A is not specified in the datasheet, but it is typically in the range of 1-10 ns for zener diodes.
  • No, the 1N4749A is not designed for high-frequency switching applications. It is intended for use as a voltage regulator or voltage reference.
  • To prevent electrostatic discharge (ESD) damage, handle the 1N4749A with ESD-protective equipment, such as wrist straps and mats, and follow proper ESD handling procedures.

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1N4749A Overview

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1N4749A Alternates

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Image Part Number Model
Part Image 1N4749ATR Central Semiconductor Corp

Zener Diode, 24V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41

Part Image 1N4749A NXP Semiconductors

Zener Diode, 24V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41

Part Image 1N4749AGTR Microsemi Corporation (now Microchip)

Zener Diode, 24V V(Z), 5%, 1W, Silicon, Unidirectional, DO-204AL, HERMETIC SEALED, GLASS, DO-41, 2 PIN

Part Image 1N4749A-13 Diodes Incorporated

Zener Diode, 24V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41

Part Image 1N4749A Diodes Incorporated

Zener Diode, 24V V(Z), 5%, 1W, Silicon, Unidirectional, DO-41

For a full list of alternate parts for 1N4749A, check out Findchips.com