Crystal Clear Frequencies.

Common Mode Power Line Chokes

The Würth Elektronik WE-CMBNC series sets a new standard for EMI suppression with its VDE-certified design and nanocrystalline core material offering exceptional permeability. This advanced construction delivers outstanding broadband attenuation, even in compact form factors, while supporting high rated currents and maintaining ultra-low DC resistance for maximum efficiency.

For applications requiring low-profile solutions or high-voltage ratings, engineers are choosing this versatile series in order to meet stringent EMC standards without sacrificing efficiency or board space:

  • EMI suppression in power line input/output filtering
  • Motor drives and industrial automation systems
  • Power converters and renewable energy inverters
  • High-voltage equipment requiring reliable filtering
  • Switching power supplies and frequency converters
  • Automotive electronics for noise reduction in power systems

Engineering details that matters

High permeability nanocrystalline core material

High IR & Low RDC in a small size

Improved isolation through plastic case and winding spacer

Stable inductance values at high temperature

Optimized plastic base for best mechanical stability

Patented winding spacer

Characteristics

Broadband suppression

High rated current and low DC resistance

High permeability

Excellent temperature stability

Product overview

WE-CMBNC

Nanocrystalline Core – Broadband Suppression

WE-CMB

MnZn Core – Low Frequency Suppression

WE-CMB NiZn

NiZn Kern - NiZn Core – High Frequency Suppression

WE-ExB

MnZn & NiZN - MnZn & NiZn – Low & High Frequency Suppression

WE-CMBH

MnZn & Horizontal Design – Low Profile Applications

WE-CMB HV

MnZn & Special Spacer – High Voltage Applications

Wide variety of frequency ranges for different applications

Wide Variety of Frequency Ranges

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