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    1. Home/
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    3. Discrete Semiconductors/
    4. Transistors/
    5. CDLL5544B/TR Microchip

    CDLL5544B/TR [Microchip]

    CDLL5544B/TR
    CDLL5544B/TR

    Part No:

    CDLL5544B/TR

    Category:

    Transistors

    Manufacturer:

    Microchip

    Description:

    500mW Zener diode in leadless surface mount package with low reverse leakage and metallurgical bonding.

    RoHS Status:

    Product FAQ

    1. Is CDLL5544B/TR available for RFQ?

    Yes. CDLL5544B/TR 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 CDLL5544B/TR?

    Pricing for CDLL5544B/TR 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 CDLL5544B/TR?

    CDLL5544B/TR is a Microchip Transistors 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 CDLL5544B/TR?

    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 CDLL5544B/TR 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 CDLL5544B/TR?

    Yes. If CDLL5544B/TR is unavailable, obsolete, or does not meet your required lead time, we can help check similar Microchip Transistors parts or compatible alternatives.

    RFQ

    Part Number:

    CDLL5544B/TR

    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
    Thermal Resistance Junction To Ambient
    300°C/W
    Power Dissipation
    500mW
    Solder Temperature
    260°C
    Thermal Resistance Junction To Lead
    250°C/W
    Forward Voltage
    1.1V
    Operating Temperature
    -65°C ~ +125°C
    Package
    DO-35 (DO-204AH); DO-213AA MELF (surface mount)
    RoHS Status
    RoHS Compliant
    RoHS Status
    RoHS Compliant
    Packing
    Tray; Tape and reel
    Weight
    0.2 g
    Coefficient Of Expansion
    +6PPM/°C
    Lead Finish
    Tin/Lead
    Polarity
    Cathode positive
    Power Derating
    10mW/°C
    Thermal Impedance
    35°C/W
    Thermal Resistance
    100°C/W

    Products Detail

    The CDLL5518 through CDLL5546 series are 500mW Zener diodes in hermetically sealed DO-213AA (MELF/SOD-80/LL34) glass packages. They feature low reverse leakage characteristics, metallurgical bonding, and are available in military grades (JAN, JANTX, JANTXV) per MIL-PRF-19500/437. These leadless surface mount diodes offer precise voltage regulation with various tolerance options (±20%, ±10%, ±5%, ±2%, ±1%) depending on suffix.

    Key Features

    • 500mW power dissipation, Leadless surface mount package, Low reverse leakage, Metallurgically bonded, Military grade availability (JAN/JANTX/JANTXV), Hermetically sealed glass case (DO-213AA), Tin/Lead lead finish, Wide Zener voltage range (3.3V to 33V), Multiple tolerance options available

    Application scenarios

    • Voltage regulation
    • power management
    • military applications
    • 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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