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SDR0403-3R9ML - Bourns

Description: Bourns SDR0403 Series Wire-wound SMD Inductor with a Ferrite Core, 3.9 μH ±20% 1.98A Idc

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Symbol
SDR0403-3R9ML - Bourns - PCB symbol
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PCB Footprints
SDR0403-3R9ML - Bourns PCB footprint - Other - Other - 4*4.5*3.2mm
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3D Models
SDR0403-3R9ML - Bourns - 3D model - Other - 4*4.5*3.2mm
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SDR0403-3R9ML Details

  • Manufacturer Part Number:

    SDR0403-3R9ML

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8504.50.80.00

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    7

  • Case/Size Code:

    1816

  • Construction:

    Rectangular

  • Core Material:

    FERRITE

  • DC Resistance:

    0.076 Ω

  • Inductance-Nom (L):

    3.9 µH

  • Inductor Application:

    POWER INDUCTOR

  • Inductor Type:

    GENERAL PURPOSE INDUCTOR

  • JESD-609 Code:

    e1

  • Number of Functions:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    3.2 mm

  • Package Length:

    4.5 mm

  • Package Style:

    SMT

  • Package Width:

    4 mm

  • Packing Method:

    TR, EMBOSSED, 13 INCH

  • Rated Current-Max:

    1.98 A

  • Self Resonance Frequency:

    55 MHz

  • Shape/Size Description:

    RECTANGULAR PACKAGE

  • Shielded:

    NO

  • Surface Mount:

    YES

  • Terminal Finish:

    TIN SILVER COPPER

  • Terminal Placement:

    DUAL ENDED

  • Terminal Shape:

    ONE SURFACE

  • Test Frequency:

    0.001 MHz

  • Tolerance:

    20%

SDR0403-3R9ML Frequently Asked Questions (FAQs)

  • The recommended land pattern for the SDR0403-3R9ML is a rectangular pad with a size of 0.5 mm x 0.5 mm, with a non-solder mask defined (NSMD) pad shape.
  • The SDR0403-3R9ML is rated for operation up to 125°C. For high-temperature environments, ensure proper thermal management, and consider using a heat sink or thermal interface material to reduce thermal resistance.
  • The maximum current rating for the SDR0403-3R9ML is 1.5 A. However, it's recommended to derate the current based on the operating temperature and other environmental factors.
  • Yes, the SDR0403-3R9ML is suitable for high-frequency applications up to 1 GHz. However, ensure proper PCB layout and decoupling to minimize parasitic inductance and capacitance.
  • To ensure reliability in a humid environment, apply a conformal coating to the PCB, and consider using a moisture-resistant packaging option. Additionally, follow proper storage and handling procedures to prevent moisture absorption.

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SDR0403-3R9ML Overview

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SDR0403-3R9ML Alternates

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Part Image ASPI-0403H-3R9M-T Abracon Corporation

General Purpose Inductor, 3.9uH, 20%, 1 Element, SMD, 1816
Part Image NPI43C3R9MTRF NIC Components Corp

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Part Image BPSD000504323R9M00 Chilisin Electronics Corp

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Part Image ASPI-0403-3R9-M Abracon Corporation

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Part Image APSD000504323R9M00 Pulse Electronics Corporation

General Purpose Inductor, 3.9uH, 20%, 1 Element, Ferrite-Core, SMD, 1816
For a full list of alternate parts for SDR0403-3R9ML, check out Findchips.com