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Sumida Announces New DC Common Mode Choke Coil Series

1.7.2025
Reading Time: 3 mins read
A A

Sumida introduces new WCNFC series of wound chip structured DC common mode choke coils.

Sumida, a leading innovator in electronic components, announces the launch of its new WCNFC series of wound chip structured DC common mode choke coils.

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This cutting-edge product line is designed to meet the growing demands for high-performance EMI suppression with minimal impact on data signal waveforms.

Key Features of the WCNFC Series:

  • Ultra-Low Profile and Compact SMD Design: The WCNFC series features a special very low profile and small size SMD design, available in standard 0805 to 1812 sizes, making it ideal for space-constrained applications.
  • Superior EMI Suppression: These choke coils deliver the best EMI suppression effect while ensuring the least impact on data signal waveforms, maintaining signal integrity.
  • High Self-Resonance Frequency: With a very high self-resonance frequency, the WCNFC series enables a high cut-off frequency, enhancing performance in high-speed applications.
  • Exceptional Solderability: The coils offer excellent solderability, ensuring reliable and efficient assembly processes.
  • Moisture Sensitivity Level: Compliant with MSL.1, the WCNFC series is designed to withstand moisture, ensuring durability in various environmental conditions.
  • RoHs & Halogen Free: The components are compliant with RoHs and halogen-free standards, promoting environmentally friendly manufacturing practices.
  • Wide Temperature Range: Operates and stores within a temperature range of -40℃ to 125℃, including the coil’s self-heat, ensuring versatility across different applications.

Applications of the WCNFC Series:

  • Common mode noise suppression in high-speed differential signal lines such as USB 2.0, IEEE1394, and LVDS.
  • High-speed differential signal lines for HDMI and DVI.
  • Audio lines.
  • USB 3.x applications.
  • Ideal for NB, DSC, and mobile device designs.
  • Multimedia systems and Ethernet (100BASE-T1).
  • Common mode noise filters for power lines.
  • LAN module applications.

Sumida’s WCNFC series is set to redefine the standards for EMI suppression in electronic devices, offering a perfect blend of performance, reliability, and compliance.

Related

Source: Sumida

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