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DR74-4R7-R - COILTRONICS

Description: POWER INDUCTOR ±20% 4.7µH 3.34A

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PCB Footprints
DR74-4R7-R - COILTRONICS PCB footprint - Other - Other - INDM7676X435N
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3D Models
DR74-4R7-R - COILTRONICS  - 3D model - Other - INDM7676X435N
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DR74-4R7-R Details

  • Manufacturer Part Number:

    DR74-4R7-R

  • Part Life Cycle Code:

    Transferred

  • Package Description:

    CHIP

  • ECCN Code:

    EAR99

  • HTS Code:

    8504.50.80.00

  • Manufacturer:

    Coiltronics

  • Case/Size Code:

    3030

  • Construction:

    Rectangular

  • Core Material:

    FERRITE

  • DC Resistance:

    0.0254 Ω

  • Inductance-Nom (L):

    4.7 µH

  • Inductor Application:

    POWER INDUCTOR

  • Inductor Type:

    GENERAL PURPOSE INDUCTOR

  • Number of Functions:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    4.35 mm

  • Package Length:

    7.6 mm

  • Package Style:

    SMT

  • Package Width:

    7.6 mm

  • Packing Method:

    TR, 13 Inch

  • Rated Current-Max:

    3.34 A

  • Shape/Size Description:

    RECTANGULAR PACKAGE

  • Shielded:

    YES

  • Surface Mount:

    YES

  • Terminal Placement:

    DUAL ENDED

  • Terminal Shape:

    WRAPAROUND

  • Test Frequency:

    0.1 MHz

  • Tolerance:

    20%

DR74-4R7-R Frequently Asked Questions (FAQs)

  • The recommended land pattern for the DR74-4R7-R is a rectangular pad with a size of 4.5mm x 3.5mm, with a non-solder mask defined (NSMD) pad shape.
  • The DR74-4R7-R has a temperature coefficient of inductance of ±15% over the operating temperature range of -40°C to 125°C. To minimize temperature-related effects, ensure proper thermal management and consider using a thermally conductive material for the PCB.
  • The maximum current rating for the DR74-4R7-R is 1.4A, based on a temperature rise of 40°C. However, it's essential to consider the specific application's requirements and derate the current accordingly to ensure reliable operation.
  • The DR74-4R7-R is designed for high-frequency applications, with a self-resonant frequency (SRF) of 150MHz. However, it's crucial to consider the inductor's impedance characteristics and potential resonance issues in the specific application.
  • Yes, the DR74-4R7-R is sensitive to moisture and humidity. Store the components in a dry, cool place, and handle them with anti-static precautions to prevent damage.

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