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74437321033 - Würth Elektronik

Description: WE-LHMI SMT Power Inductor Size 4012; L = 3.3 µH ; IR = 2.3 A; Isat = 4,8 A; RDC = 97.0 mΩ

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PCB Footprints
74437321033 - Würth Elektronik PCB footprint - Inductors Precision Moulded - Inductors Precision Moulded - 74437321100
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74437321033 - Würth Elektronik  - 3D model - Inductors Precision Moulded - 74437321100
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74437321033 Details

  • Manufacturer Part Number:

    74437321033

  • Brand Name:

    Wurth Electronik

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • ECCN Code:

    EAR99

  • HTS Code:

    8504.50.80.00

  • Manufacturer:

    Wurth Elektronik

  • YTEOL:

    15

  • Case/Size Code:

    1816

  • Construction:

    Rectangular

  • Core Material:

    POWDERED IRON

  • DC Resistance:

    0.097 Ω

  • Inductance-Nom (L):

    3.3 µH

  • Inductor Application:

    POWER INDUCTOR

  • Inductor Type:

    GENERAL PURPOSE INDUCTOR

  • JESD-609 Code:

    e2

  • Number of Functions:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    1 mm

  • Package Length:

    4.45 mm

  • Package Style:

    SMT

  • Package Width:

    4.06 mm

  • Packing Method:

    TR, Embossed Plastic, 13 Inch

  • Rated Current-Max:

    2.3 A

  • Self Resonance Frequency:

    40 MHz

  • Shape/Size Description:

    RECTANGULAR PACKAGE

  • Shielded:

    YES

  • Special Feature:

    INDUCTANCE IS MEASURED AT 10 MILLI AMPERE

  • Surface Mount:

    YES

  • Terminal Finish:

    Tin/Copper (Sn/Cu)

  • Terminal Placement:

    DUAL ENDED

  • Terminal Shape:

    J BEND

  • Test Frequency:

    0.1 MHz

  • Tolerance:

    20%

74437321033 Frequently Asked Questions (FAQs)

  • Wurth Elektronik provides a recommended PCB layout and land pattern in their application notes and layout recommendations documents, which can be found on their website. It's essential to follow these guidelines to ensure optimal performance and minimize signal integrity issues.
  • The 74437321033 component has a maximum operating temperature of 125°C. To ensure proper thermal management, it's recommended to provide a sufficient heat sink or thermal pad on the PCB, and to follow Wurth Elektronik's guidelines for thermal management. Additionally, consider using thermal interface materials and ensuring good airflow around the component.
  • Wurth Elektronik provides recommended soldering and rework conditions in their datasheet and application notes. It's essential to follow these guidelines to avoid damaging the component during the assembly process. Typically, a soldering temperature of 260°C to 280°C and a rework temperature of 230°C to 250°C are recommended.
  • To ensure EMC and EMI compliance, it's recommended to follow Wurth Elektronik's guidelines for PCB layout, component placement, and shielding. Additionally, consider using EMI filters, shielding cans, or other EMI mitigation techniques to minimize radiation and susceptibility.
  • The 74437321033 component has a moisture sensitivity level (MSL) of 3, which means it's sensitive to moisture and requires proper handling and storage. It's recommended to store the component in a dry environment, and to follow Wurth Elektronik's guidelines for baking and drying procedures before assembly.

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74437321033 Overview

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