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    1. Home/
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    3. Discrete Semiconductors/
    4. Diodes & Rectifiers/
    5. 1N973B Microchip

    1N973B [Microchip]

    1N973B
    1N973B

    Part No:

    1N973B

    Category:

    Diodes & Rectifiers

    Manufacturer:

    Microchip

    Description:

    The popular 1N957B-1 through 1N992B-1 series of 0.5 watt Zener voltage regulators provides a selection from 6.8 to 200 volts in a standard 5%, 2% and 1% tolerance versions. These axial-leaded glass DO-35 Zeners feature an internal metallurgical bond and are available in military qualified and commercial RoHS compliant versions.

    RoHS Status:

    Product FAQ

    1. Is 1N973B available for RFQ?

    Yes. 1N973B 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 1N973B?

    Pricing for 1N973B 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 1N973B?

    1N973B is a Microchip Diodes & Rectifiers with Thermal Resistance Junction To Ambient: 300°C/W and Thermal Resistance Junction To Lead: 250°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 1N973B?

    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 1N973B 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 1N973B?

    Yes. If 1N973B 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:

    1N973B

    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
    Forward Voltage 1N957 To 1N985
    1.1V
    Forward Voltage 1N986 To 1N992
    1.3V
    Operating Temperature
    -65°C ~ +175°C
    Package
    DO-35 (DO-204AH), DO-213AA (MELF surface mount)
    Power Dissipation
    0.5W
    Power Dissipation Pcb
    0.4W
    RoHS Status
    RoHS Compliant
    RoHS Status
    RoHS Compliant
    Solder Temperature
    260°C
    Thermal Resistance Junction To Ambient
    300°C/W
    Thermal Resistance Junction To Lead
    250°C/W
    Weight
    0.2 g

    Products Detail

    0.5 watt Zener voltage regulators in the 1N957B-1 to 1N992B-1 series, providing voltage regulation from 6.8V to 200V with 5%, 2%, or 1% tolerance options. Axial-leaded glass DO-35 package with internal metallurgical bond. Available in military qualified (JAN, JANTX, JANTXV) and commercial RoHS-compliant versions. Features include broad operating current/temperature range, ESD immunity per MIL-STD-750, minimal capacitance, and inherent radiation hardness.

    Key Features

    • JEDEC registered 1N957B to 1N992B series
    • Internal metallurgical bond
    • Military qualifications (JAN/JANTX/JANTXV) for 1N962B-1 to 1N992B-1
    • Upscreening available for 1N957B-1 to 1N961B-1
    • RoHS compliant versions (commercial grade)
    • Voltage regulation over broad current/temperature range
    • 6.8V to 200V selection
    • ±5% standard tolerance (±2%/±1% optional)
    • Flexible axial-lead terminals
    • Non-sensitive to ESD
    • Minimal capacitance
    • Radiation-hardened per MicroNote 050

    Application scenarios

    • Voltage regulation
    • military applications
    • commercial electronics
    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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