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    1. Home/
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    3. Discrete Semiconductors/
    4. Transistors/
    5. 1N4728AUR Microchip

    1N4728AUR [Microchip]

    1N4728AUR
    1N4728AUR

    Part No:

    1N4728AUR

    Category:

    Transistors

    Manufacturer:

    Microchip

    Description:

    Surface mount 1.0 W glass Zener diodes, electrically equivalent to 1N4728A thru 1N4764A in DO-41 package but meeting JEDEC surface mount outline DO-213AB. Ideal for high density and low parasitic voltage regulation applications.

    RoHS Status:

    Product FAQ

    1. Is 1N4728AUR available for RFQ?

    Yes. 1N4728AUR by Microchip is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for 1N4728AUR?

    Pricing for 1N4728AUR can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of 1N4728AUR?

    1N4728AUR is a Microchip Transistors with Thermal Resistance Junction To Ambient: 130°C/W and Thermal Resistance Junction To End Cap: 50°C/W. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for 1N4728AUR?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can 1N4728AUR be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to 1N4728AUR?

    Yes. If 1N4728AUR is unavailable, obsolete, or does not meet your required lead time, we can help check similar Microchip Transistors parts or compatible alternatives.

    RFQ

    Part Number:

    1N4728AUR

    Manufacturer:

    Microchip

    Looking for Pricing? Contact us for volume pricing.

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Thermal Resistance Junction To Ambient
    130°C/W
    Power Dissipation (AT 25°C)
    1.0W at 25°C
    Solder Temperature
    260°C for 10 s
    Forward Voltage (AT 200MA)
    1.2V at 200mA
    Operating Temperature
    -65°C ~ +175°C
    Package
    DO-213AB glass MELF
    RoHS Status
    Non-RoHS Compliant
    RoHS Status
    RoHS Compliant
    Packing
    Tray (standard), Tape and reel (optional)
    Storage Temperature
    -65°C ~ +175°C
    Weight
    0.05 grams
    Package Dimension A Max
    2.66 mm
    Package Dimension A Min
    2.39 mm
    Package Dimension B Max
    5.20 mm
    Package Dimension B Min
    4.80 mm
    Package Dimension C Max
    0.55 mm
    Package Dimension C Min
    0.41 mm
    Terminals
    Tin-Lead or RoHS Compliant annealed matte-Tin plating
    Thermal Resistance Junction To End Cap
    50°C/W

    Products Detail

    This series of surface mount 1 W Zener diodes offers voltage regulation from 3.3V to 100V with standard tolerances of ±5% (A suffix) and ±10% (no suffix), and tighter options (±2% or ±1%). The hermetically sealed glass DO-213AB package is leadless and suitable for high-density mounting, with options for MIL-PRF-19500 screening and RoHS compliance. Equivalent SMAJ and plastic axial-leaded versions are also available.

    Key Features

    • Electrically similar to JEDEC 1N4728-1N4764
    • Zener voltages 3.3V-100V
    • Tolerances: ±10%, ±5%, ±2%, ±1%
    • MIL-PRF-19500 screening options
    • SMAJ4728A-SMAJ4764A equivalents
    • RoHS compliant (e3)
    • Plastic axial-leaded equivalents
    • Hermetically sealed glass DO-213AB
    • Leadless surface mount
    • High density mounting
    • Non-ESD sensitive
    • Specified capacitance
    • Radiation hard

    Application scenarios

    • Voltage regulation
    • high density mounting
    • high reliability applications
    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

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