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    1. Home/
    2. All Categories/
    3. Discrete Semiconductors/
    4. Diodes & Rectifiers/
    5. 1N4556A Microchip

    1N4556A [Microchip]

    1N4556A
    1N4556A

    Part No:

    1N4556A

    Category:

    Diodes & Rectifiers

    Manufacturer:

    Microchip

    Description:

    These high power 50 W Zener diodes represented by the JEDEC registered 1N3305 thru 1N3350B and 1N4549 thru 1N4556B series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages.

    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
    Forward Voltage
    1.5V @ 10A
    Operating Temperature
    -65°C ~ +175°C
    Package
    DO-5 (DO-203AB)
    Power Derating
    0.5W/°C above 75°C
    Power Dissipation
    50W (at T < 75°C)
    Thermal Resistance
    2.0°C/W
    Weight
    15 grams

    Products Detail

    High power 50 W Zener diodes for voltage regulation over a broad range (3.9V to 200V). Operate up to 50W with adequate mounting and heat sinking. Available in JAN, JANTX, JANTXV military qualifications. Hermetically sealed (welded) with internal solder bond construction. Reverse polarity available. Nonsensitive to ESD. Radiation hard.

    Key Features

    • JEDEC registered 1N3305 thru 1N3350B and 1N4549 thru 1N4556B
    • Internal solder bond construction
    • Hermetically sealed (welded)
    • Zener Voltage 3.9V to 200V
    • Available in JAN, JANTX, JANTXV qualifications
    • Standard polarity: anode to case
    • Reverse polarity with R suffix
    • Voltage tolerances: +/-5% (B suffix), +/-10% (A suffix), +/-20% (no suffix), and +/-2% (C suffix) or +/-1% (D suffix) by request
    • Reverse polarity available
    • Nonsensitive to ESD per MIL-STD-750 Method 1020
    • Inherently radiation hard (Microsemi MicroNote 050)

    Application scenarios

    • Voltage regulation
    Product FAQ

    1. Is 1N4556A available for RFQ?

    Yes. 1N4556A 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 1N4556A?

    Pricing for 1N4556A 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 1N4556A?

    1N4556A is a Microchip Diodes & Rectifiers with Operating Temperature: -65°C ~ +175°C and Thermal Resistance: 2.0°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 1N4556A?

    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 1N4556A 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 1N4556A?

    Yes. If 1N4556A is unavailable, obsolete, or does not meet your required lead time, we can help check similar Microchip Diodes & Rectifiers parts or compatible alternatives.

    RFQ

    Part Number:

    1N4556A

    Manufacturer:

    Microchip

    Looking for Pricing? Contact us for volume pricing.

    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

    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.

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