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    1. Home/
    2. All Categories/
    3. Discrete Semiconductors/
    4. Transistors/
    5. U441 Siliconix

    U441 [Siliconix]

    U441
    U441

    Part No:

    U441

    Category:

    Transistors

    Manufacturer:

    Siliconix

    Description:

    The U440/441 are matched pairs of JFETs mounted in a single TO-71 package. This two-chip design reduces parasitics and gives better performance at very high frequencies while ensuring extremely tight matching.

    Datasheet:

    Product FAQ

    1. Is U441 available for RFQ?

    Yes. U441 by Siliconix 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 U441?

    Pricing for U441 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 U441?

    U441 is a Siliconix Transistors with U440 Differential Gate Source Voltage Max: 10mV and U441 Differential Gate Source Voltage Max: 20mV. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for U441?

    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 U441 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 U441?

    Yes. If U441 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Siliconix Transistors parts or compatible alternatives.

    RFQ

    Part Number:

    U441

    Manufacturer:

    Siliconix

    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
    -55°C ~ 150°C
    Package
    TO-71
    Breakdown Voltage
    -25V
    Cmrr
    85 dB
    Cutoff Voltage Max
    -6V
    Cutoff Voltage Min
    -1V
    Drain Current
    30mA
    Drain Current Min
    6mA
    Power Dissipation Total
    500mW
    Transconductance Max
    9 mS
    Transconductance Min
    4.5 mS
    U440 Differential Gate Source Voltage Max
    10mV
    U441 Differential Gate Source Voltage Max
    20mV

    Products Detail

    The U440/441 are matched N-Channel JFET pairs featuring a two-chip design that minimizes parasitics and ensures tight matching. They are ideal for wideband differential amplifiers in demanding test and measurement applications, offering low gate leakage (1 pA), low noise, high CMRR (85 dB), and high slew rate. The hermetically-sealed TO-71 package is available with military screening per MIL-S-19500.

    Key Features

    • Two-Chip Design, Minimum Parasitics, Wideband Differential Amps, High Slew Rate, Low Offset/Drift Voltage, Low Gate Leakage: 1 pA, Low Noise, High CMRR: 85 dB, High-Speed Comparators, Impedance Converters

    Application scenarios

    • test and measurement
    • differential amplifiers
    • comparators
    • impedance converters

    Documents

    Datasheets:

    U440,U441

    RohsStatement:

    Vishay-company-15.pdf
    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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