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    1. Home/
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    3. Discrete Semiconductors/
    4. Diodes & Rectifiers/
    5. 1N990B Microchip

    1N990B [Microchip]

    1N990B
    1N990B

    Part No:

    1N990B

    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.

    RoHS Status:

    Product FAQ

    1. Is 1N990B available for RFQ?

    Yes. 1N990B 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 1N990B?

    Pricing for 1N990B 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 1N990B?

    1N990B 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 1N990B?

    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 1N990B 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 1N990B?

    Yes. If 1N990B 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:

    1N990B

    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
    Operating Temperature
    -65°C ~ +175°C
    Package
    DO-35 (DO-204AH)
    Power Dissipation
    0.5W
    Power Dissipation Pcb
    0.4W
    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 axial-leaded glass DO-35 package with internal metallurgical bond. Available in military qualified (MIL-PRF-19500/117) and commercial RoHS compliant versions. Features include voltage regulation over broad operating current/temperature ranges, extensive voltage selection (6.8-200V), multiple tolerance options (±5%/±2%/±1%), flexible axial-lead mounting, ESD immunity per MIL-STD-750, minimal capacitance, and inherent radiation hardness.

    Key Features

    • JEDEC registered 1N957B to 1N992B series, Internal metallurgical bond, JAN/JANTX/JANTXV qualifications per MIL-PRF-19500/117 (1N962B-1 to 1N992B-1), Upscreening available per MIL-PRF-19500 (1N957B-1 to 1N961B-1), RoHS compliant versions (commercial grade), Voltage regulation over broad operating current/temperature, Extensive voltage selection 6.8-200V, ±5% standard tolerance (±2%/±1% optional), Flexible axial-lead terminals, Non-sensitive to ESD per MIL-STD-750, Minimal capacitance, Inherently radiation hard

    Application scenarios

    • Voltage regulation
    • broad operating current and temperature range applications
    • minimal capacitance requirements
    • radiation-hardened environments
    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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