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    1. Home/
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    3. Discrete Semiconductors/
    4. Diodes & Rectifiers/
    5. 1SMA5944BT3 Onsemi

    1SMA5944BT3 [Onsemi]

    1SMA5944BT3
    1SMA5944BT3

    Part No:

    1SMA5944BT3

    Category:

    Diodes & Rectifiers

    Manufacturer:

    Onsemi

    Description:

    1.5 Watt Plastic Surface Mount Zener Voltage Regulators with standard Zener breakdown voltage range from 3.3 V to 68 V.

    Datasheet:

    Product FAQ

    1. Is 1SMA5944BT3 available for RFQ?

    Yes. 1SMA5944BT3 by Onsemi 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 1SMA5944BT3?

    Pricing for 1SMA5944BT3 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 1SMA5944BT3?

    1SMA5944BT3 is a Onsemi Diodes & Rectifiers with Thermal Resistance Junction To Ambient: 250°C/W and Thermal Resistance Junction To Lead: 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 1SMA5944BT3?

    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 1SMA5944BT3 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 1SMA5944BT3?

    Yes. If 1SMA5944BT3 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Onsemi Diodes & Rectifiers parts or compatible alternatives.

    RFQ

    Part Number:

    1SMA5944BT3

    Manufacturer:

    Onsemi

    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
    250°C/W
    Thermal Resistance Junction To Lead
    50°C/W
    Operating Temperature
    -65°C ~ +150°C
    Package
    SMA (Case 403D-02)
    RoHS Status
    RoHS Compliant
    RoHS Status
    Storage Temperature
    -65°C ~ +150°C
    Dc Power Dissipation 25C
    0.5W
    Dc Power Dissipation 75C
    1.5W
    Derate Above 25C
    4.0mW/°C
    Derate Above 75C
    20mW/°C
    Flammability Rating
    UL 94V-0 @ 0.125 in
    Max Soldering Case Temperature
    260°C (10 seconds)
    Package Dimensions Max
    A: 2.20 mm, A1: 0.15 mm, b: 1.63 mm, c: 0.41 mm, D: 2.92 mm, E: 4.57 mm, HE: 5.59 mm, L: 1.52 mm
    Package Dimensions Min
    A: 1.97 mm, A1: 0.05 mm, b: 1.27 mm, c: 0.15 mm, D: 2.29 mm, E: 4.06 mm, HE: 4.83 mm, L: 0.76 mm
    Shipping
    5000 / Tape & Reel

    Products Detail

    This series of 1.5 Watt Zener diodes features ESD protection exceeding 16 kV per Human Body Model, a flat handling surface for accurate placement, and a low-profile package designed for top or bottom circuit board mounting. The devices are AEC-Q101 qualified and PPAP capable (SZ1SMA59xxBT3G series), making them suitable for automotive applications. They are offered in Pb-Free packages and serve as ideal replacements for MELF packages. The molded plastic case is void-free and corrosion-resistant with readily solderable leads.

    Key Features

    • Standard Zener Breakdown Voltage Range: 3.3 V to 68 V
    • ESD Rating: Class 3 (>16 kV) per Human Body Model
    • Flat Handling Surface for Accurate Placement
    • Package Design for Top Slide or Bottom Circuit Board Mounting
    • Low Profile Package
    • Ideal Replacement for MELF Packages
    • AEC-Q101 Qualified and PPAP Capable (SZ1SMA59xxBT3G)
    • Pb-Free Packages Available

    Documents

    Datasheets:

    (SZ)1SMA59xxBT3(G)

    PCN Obsolescence/ EOL:

    Multiple Devices 06/Oct/2006

    ReachStatement:

    ON-Semiconductor-company-79.pdf
    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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