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1N4728AUR - Microchip

Description: Zener Diode 3.3 V 1 W ±5% Surface Mount DO-213AB 10 Ohms 100 µA -65°C ~ 175°C

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1N4728AUR - Microchip - PCB symbol
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PCB Footprints
1N4728AUR - Microchip PCB footprint - Other - Other - DO-213AB_2025-1.3
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1N4728AUR Details

  • Manufacturer Part Number:

    1N4728AUR

  • Part Life Cycle Code:

    Active

  • Package Description:

    HERMETIC SEALED, GLASS, MELF-2

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Factory Lead Time:

    22 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    23

  • Additional Feature:

    HIGH RELIABILITY

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    ZENER DIODE

  • JEDEC-95 Code:

    DO-213AB

  • JESD-30 Code:

    O-LELF-R2

  • JESD-609 Code:

    e0

  • Moisture Sensitivity Level:

    1

  • Number of Elements:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    175 °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:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    ZENER

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    WRAP AROUND

  • Terminal Position:

    END

  • Voltage Tol-Max:

    5%

  • Working Test Current:

    76 mA

1N4728AUR Frequently Asked Questions (FAQs)

  • The recommended land pattern for the 1N4728AUR can be found in Microchip's Packaging Specification document (DS20002014B) or in the IPC-7351 standard. It's essential to follow the recommended land pattern to ensure reliable soldering and to prevent thermal issues.
  • To handle thermal considerations, ensure good thermal conduction by using a thermal pad or a heat sink, and keep the device away from heat sources. Also, follow the recommended PCB layout and thermal management guidelines in the datasheet and application notes.
  • The maximum allowable voltage for the 1N4728AUR is 75V, as specified in the datasheet. Exceeding this voltage may damage the device or affect its reliability.
  • The 1N4728AUR is rated for operation up to 150°C. However, it's essential to consider the derating curves and thermal management guidelines in the datasheet to ensure reliable operation in high-temperature environments.
  • Select the correct Zener voltage by considering the voltage regulation requirements of your application. The 1N4728AUR has a Zener voltage range of 3.3V to 75V. Choose a Zener voltage that is higher than the maximum input voltage and lower than the maximum allowable voltage of the device.

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1N4728AUR Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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1N4728AUR Alternates

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