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    1. Home/
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    3. Integrated Circuits - ICs/
    4. Interface ICs/
    5. LM431CIM National Semiconductor

    LM431CIM [National Semiconductor]

    LM431CIM
    LM431CIM

    Part No:

    LM431CIM

    Category:

    Interface ICs

    Manufacturer:

    National Semiconductor

    Description:

    The LM431 is a 3-terminal adjustable shunt regulator with ensured temperature stability over the entire temperature range of operation.

    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
    Product FAQ

    1. Is LM431CIM available for RFQ?

    Yes. LM431CIM by National Semiconductor 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 LM431CIM?

    Pricing for LM431CIM 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 LM431CIM?

    LM431CIM is a National Semiconductor Interface ICs with Operating Temperature Commercial: 0°C ~ +70°C and Operating Temperature Industrial: -40°C ~ +85°C. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for LM431CIM?

    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 LM431CIM 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 LM431CIM?

    Yes. If LM431CIM is unavailable, obsolete, or does not meet your required lead time, we can help check similar National Semiconductor Interface ICs parts or compatible alternatives.

    RFQ

    Part Number:

    LM431CIM

    Manufacturer:

    National Semiconductor

    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
    Cathode Current Max
    100mA
    Cathode Current Min
    1mA
    Cathode Voltage Max
    37V
    Cathode Voltage Min
    2.5V
    ESD Rating
    ±2500V
    LM431A Dynamic Output Impedance
    0.75Ω
    LM431A Reference Voltage Max
    2.55V
    LM431A Reference Voltage Min
    2.44V
    LM431A Reference Voltage Typ
    2.495V
    LM431B Dynamic Output Impedance
    0.5Ω
    LM431B Reference Voltage Max
    2.52V
    LM431B Reference Voltage Min
    2.47V
    LM431B Reference Voltage Typ
    2.495V
    LM431C Dynamic Output Impedance
    0.5Ω
    LM431C Reference Voltage Max
    2.51V
    LM431C Reference Voltage Min
    2.485V
    LM431C Reference Voltage Typ
    2.5V
    Operating Temperature Commercial
    0°C ~ +70°C
    Operating Temperature Industrial
    -40°C ~ +85°C
    Package SOIC-8
    4.90mm×3.91mm
    Package SOT-23
    2.92mm×1.30mm
    Package TO-92
    4.30mm×4.30mm
    Thermal Resistance SOT-23
    267.7°C/W
    Thermal Resistance Soic
    126.9°C/W
    Thermal Resistance TO-92
    162.4°C/W

    Products Detail

    The LM431 is a 3-terminal adjustable shunt regulator with guaranteed temperature stability. It features programmable output voltage (2.5V to 36V) using two external resistors, fast turn-on response, low output noise, and low dynamic output impedance. Available in space-saving SOIC-8, SOT-23, and TO-92 packages, it serves as a precision replacement for Zener diodes in various applications.

    Key Features

    • Average Temperature Coefficient 50ppm/°C
    • Temperature Compensated for Operation Over the Full Temperature Range
    • Programmable Output Voltage
    • Fast Turn-on Response
    • Low-Output Noise
    • Low-Dynamic Output Impedance
    • Available in Space-Saving SOIC-8, SOT-23, and TO-92 Packages

    Application scenarios

    • Adjustable Voltage or Current Linear and Switching Power Supplies
    • Voltage Monitoring
    • Current Source and Sink Circuits
    • Circuits Requiring Precision References
    • Zener Diode Replacements
    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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