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    1. Home/
    2. All Categories/
    3. Discrete Semiconductors/
    4. Transistors/
    5. 1N4478 Microchip

    1N4478 [Microchip]

    1N4478
    1N4478

    Part No:

    1N4478

    Category:

    Transistors

    Manufacturer:

    Microchip

    Description:

    HI-Rel Discrete Voltage and Current Regulation

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Products Detail

    This Zener voltage regulator series is military qualified to MIL-PRF-19500/406 and is ideal for high-reliability applications where a failure cannot be tolerated. These industry-recognized 1.5 watt Zener voltage regulators are hermetically sealed with void-less glass construction using an internal metallurgical bond. It includes Zener selections from 3.3 to 200 volts in standard 5% tolerance. 1% and 2% tolerance versions are also available. Microchip also offers numerous other Zener products to meet higher and lower power ratings in both thru-hole and surface mount packages.

  • Popular JEDEC registered series.
  • Void-less hermetically sealed glass package.
  • Triple-layer passivation.
  • Extremely robust construction.
  • Internal "Category 1" metallurgical bonds for 1N4462 thru 1N4496 and "Category III" for 1N6485 thru 1N6491 as well as 1N4460 and 1N4461.
  • JAN, JANTX, JANTXV and JANS qualifications are available per MIL-PRF-19500/406.
  • RoHS compliant versions available (commercial grade only).
  • Regulates voltage over a broad operating current and temperature range.
  • Extensive selection from 3.3 to 200V.
  • Standard voltage tolerances are plus/minus 5% with no suffix.
  • Tighter tolerances available in plus or minus 2% or 1%.
  • Flexible axial-lead mounting terminals.
  • Non-sensitive to ESD per MIL-STD-750 method 1020.
  • Inherently radiation hard as described in Microchip MicroNote 050.
  • Product FAQ

    1. Is 1N4478 available for RFQ?

    Yes. 1N4478 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 1N4478?

    Pricing for 1N4478 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 1N4478?

    1N4478 is a Microchip Transistors with the specifications shown on this page. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for 1N4478?

    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 1N4478 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 1N4478?

    Yes. If 1N4478 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:

    1N4478

    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
    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
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      Fasted Delivery
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