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1N4728A-TR - Vishay

Description: Zener Diodes 3.3 Volt 1.3 Watt

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1N4728A-TR - Vishay PCB footprint - Diodes, Axial Diameter Horizontal Mounting - Diodes, Axial Diameter Horizontal Mounting - DO-41 (DO-204AL)_1N47............
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  • Datasheet Download Datasheet
  • Stock & Prices $ Price & Stock for 1N4728A-TR
  • Part Number 1N4728A-TR
  • Manufacturer Vishay
  • Pin Count 2
  • Part Category Zener Diode
  • Package Category Diodes, Axial Diameter Horizontal Mounting
  • Footprint Name Diodes, Axial Diameter Horizontal Mounting - DO-41 (DO-204AL)_1N47............
  • Released Date Feb 10, 2026
  • Last Modified Date Feb 10, 2026 11:24 AM UTC
  • Pinout / Pin List Click Here (Member Only)

1N4728A-TR Details

  • Manufacturer Part Number:

    1N4728A-TR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.50

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Vishay Intertechnologies

  • YTEOL:

    5

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    ZENER DIODE

  • JEDEC-95 Code:

    DO-41

  • JESD-30 Code:

    O-XALF-W2

  • JESD-609 Code:

    e2

  • Moisture Sensitivity Level:

    1

  • Number of Elements:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    175 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Shape:

    ROUND

  • Package Style:

    LONG FORM

  • Peak Reflow Temperature (Cel):

    260

  • Polarity:

    UNIDIRECTIONAL

  • Power Dissipation-Max:

    1.3 W

  • Qualification Status:

    Not Qualified

  • Reference Voltage-Nom:

    3.3 V

  • Surface Mount:

    NO

  • Technology:

    ZENER

  • Terminal Finish:

    Tin/Silver (Sn96.5Ag3.5)

  • Terminal Form:

    WIRE

  • Terminal Position:

    AXIAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Voltage Tol-Max:

    5%

  • Working Test Current:

    76 mA

1N4728A-TR Frequently Asked Questions (FAQs)

  • The recommended storage temperature for 1N4728A-TR is -40°C to 125°C.
  • Yes, the 1N4728A-TR is suitable for high-reliability applications due to its high-quality construction and rigorous testing.
  • Yes, the 1N4728A-TR can operate in high-temperature environments up to 150°C, making it suitable for automotive and industrial applications.
  • The typical forward voltage drop of the 1N4728A-TR is around 1.1V at 1A, but this can vary depending on the operating conditions.
  • Yes, the 1N4728A-TR is RoHS (Restriction of Hazardous Substances) compliant, making it suitable for use in environmentally friendly designs.

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1N4728A-TR Overview

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