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WBC4-4LC - COILCRAFT

Description: Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz

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Symbol
WBC4-4LC - COILCRAFT - PCB symbol
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PCB Footprints
WBC4-4LC - COILCRAFT PCB footprint - Other - Other - WBC series
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3D Models
WBC4-4LC - COILCRAFT - 3D model - Other - WBC series
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WBC4-4LC Details

  • Manufacturer Part Number:

    WBC4-4LC

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • Manufacturer:

    Coilcraft Inc

  • YTEOL:

    6

  • Additional Feature:

    IMPEDANCE RATIO IS 1:4

  • Cut-off Frequency-Max:

    800 MHz

  • Cut-off Frequency-Min:

    0.25 MHz

  • Height:

    3.05 mm

  • Insertion Loss:

    1 dB

  • JESD-609 Code:

    e1

  • Length:

    4.45 mm

  • Mounting Feature:

    SURFACE MOUNT

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Packing Method:

    TR, EMBOSSED PLASTIC, 7 INCH

  • Primary Inductance:

    9 µH

  • Surface Mount:

    YES

  • Terminal Finish:

    TIN SILVER COPPER

  • Transformer Type:

    RF TRANSFORMER

  • Width:

    4.19 mm

WBC4-4LC Frequently Asked Questions (FAQs)

  • Coilcraft provides a recommended PCB land pattern in their application notes, which can be found on their website. The recommended land pattern is a rectangular pad with a size of 4.5 mm x 2.5 mm, with a 1.5 mm x 1.5 mm thermal pad in the center.
  • To handle the high SRF of the WBC4-4LC, it's essential to ensure that the inductor is used below its SRF. This can be achieved by selecting a suitable operating frequency, using a series resistor to dampen the resonance, or adding a parallel capacitor to tune out the inductance at the resonant frequency.
  • The maximum current rating for the WBC4-4LC is 4.4 A. The current rating is derated based on the ambient temperature, with a derating factor of 0.5% per degree Celsius above 40°C. It's essential to consider the derating factor when selecting the inductor for a specific application.
  • The WBC4-4LC has a magnetic shield that reduces electromagnetic interference (EMI) and radiation. However, the shield is not perfect, and some magnetic field may still be present. It's essential to keep nearby components, especially sensitive analog circuits, at a safe distance to avoid any potential interference.
  • The WBC4-4LC has a tolerance for DC bias current, but it's essential to ensure that the DC current does not exceed the maximum rated current. Excessive DC bias current can cause the inductor to saturate, leading to reduced inductance and increased losses.

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WBC4-4LC Overview

Use the download button to access the WBC4-4LC schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like WBC4-, or try a keyword search, such as RF Transformers

About COILCRAFT

Colicraft designs and manufactures high performing magnectic components, RF chip inductors, power magnectics, and filters. Coilcraft has engineering, manufacturing, and distribution facilities in North America, Asia, and Europe.

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