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    1. Home/
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    3. Discrete Semiconductors/
    4. Transistors/
    5. 1N4989US Microchip

    1N4989US [Microchip]

    1N4989US
    1N4989US

    Part No:

    1N4989US

    Category:

    Transistors

    Manufacturer:

    Microchip

    Description:

    This surface mount Zener Voltage Regulator series is military qualified to MIL-PRF-19500/356 and is ideal for high-reliability applications where a failure cannot be tolerated. These industry-recognized 5 Watt Zener Voltage Regulators are hermetically sealed with voidless-glass construction using an internal metallurgical bond.

    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
    Product FAQ

    1. Is 1N4989US available for RFQ?

    Yes. 1N4989US 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 1N4989US?

    Pricing for 1N4989US 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 1N4989US?

    1N4989US is a Microchip Transistors with 1N4954US Thermal Impedance 10ms: 1.8°C/W and 1N5968US Thermal Impedance 10ms: 3.0°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 1N4989US?

    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 1N4989US 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 1N4989US?

    Yes. If 1N4989US 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:

    1N4989US

    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
    Parameter
    Forward Voltage (AT 1.0A)
    1.50V at 1.0A
    Operating Temperature
    -65°C ~ +175°C
    Package
    E Package (D-5B)
    Storage Temperature
    -65°C ~ +175°C
    Weight
    539 mg
    1N4954US Power Dissipation
    5W @ 140°C
    1N4954US Thermal Impedance 10ms
    1.8°C/W
    1N4954US Thermal Resistance
    7°C/W
    1N5968US Power Dissipation
    5W @ 125°C
    1N5968US Thermal Impedance 10ms
    3.0°C/W
    1N5968US Thermal Resistance
    10°C/W
    1N6632US Power Dissipation
    5W @ 125°C
    1N6632US Thermal Impedance 10ms
    3.0°C/W
    1N6632US Thermal Resistance
    10°C/W
    Case
    Hermetically sealed voidless hard glass with Tungsten slugs
    Marking
    None
    Polarity
    Cathode indicated by band
    Tape And Reel
    Standard per EIA-481-B
    Terminations
    Copper with Tin/Lead (Sn/Pb) finish

    Products Detail

    This surface mount Zener Voltage Regulator series is military qualified to MIL-PRF-19500/356 and is ideal for high-reliability applications. It includes Zener selections from 3.3 to 390 volts in standard 5% tolerances as well as tighter tolerances identified by different suffix letters on the part number. The devices are hermetically sealed with voidless-glass construction and triple-layer passivation. They feature internal metallurgical bonds (Category I for 1N4954US-1N4996US, Category III for 1N6632US-1N6637US and 1N5968US-1N5959US). JAN, JANTX, JANTXV, and JANS versions are available per MIL-PRF-19500/356. Axial-leaded equivalents are also available for thru-hole mounting.

    Key Features

    • Popular JEDEC registered series
    • Voidless hermetically sealed glass package
    • Triple-layer passivation
    • Internal Metallurgical bonds (Category I for 1N4954US-1N4996US, Category III for 1N6632US-1N6637US and 1N5968US-1N5959US)
    • JAN, JANTX, JANTXV, and JANS available
    • Axial-leaded equivalents available
    • Extensive selection from 3.3 to 390 V
    • Standard voltage tolerances ±5% (no suffix), tight tolerances ±2% (C suffix) or ±1% (D suffix)
    • Extremely robust construction
    • Nonsensitive to ESD per MIL-STD-750 Method 1020
    • Inherently radiation hard

    Application scenarios

    • High-reliability applications
    • voltage regulation over broad operating current and temperature range
    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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