EMC components (Noise suppression)

Ferrite cores / Nanocrystalline Alloys cores etc.

View Comparison

Ferrite cores / Nanocrystalline Alloys cores etc.


Split type


Split cores with plastic casing for easy installation on wired cables and connecter cables
Effective in suppressing common mode noise

  • Ferrite core (Noise filter)
  • Common mode noise suppression


Soft ferrite



Feature Split type, Plastic housing, With mounting fixture Cable types Round cable
Frequency band Signal noise Usage For radiated noise


You can download the 3D PDF.
Please contact us for 3D PDFs with different part numbers.

Please see here when using it.

About viewing 3D PDF

About viewing 3D PDF

When you open a PDF that contains 3D content, you'll see a yellow bar at the top with the message "3D content is disabled."
Please enable the function to view.

To enable 3D content in the current document

Click the Options button and then select an appropriate option:

  • Trust this document one time only
  • Trust this document always
To enable 3D content permanently:

Go to Edit > Preferences > 3D & Multimedia and then select the Enable playing 3D content checkbox.

Get Adobe Acrobat Reader

You will need the Adobe Acrobat Reader to see above PDF files.
“Adobe” and “Acrobat” are either registered trademarks or trademarks of Adobe Systems Incorporated.

EMC solution Service

Part No. list

You can download a drawing and a test report,
add an sample to Sample Request Box per part number.

Part No. Outer diameter
Inner diameter
Download Data Sample Request
GRFC-3 13.7 4 18
GRFC-4 13.7 4.5 27.3
GRFC-5 18.1 5.5 35.5
GRFC-6 18.1 6.5 35.5
GRFC-7 14.3 7 24
GRFC-8 20.1 8.5 35.5
GRFC-9 20.1 9.5 35.5
GRFC-10 26.3 10.5 37.2
GRFC-13 29.1 13.5 36.3
RFC-H13 31.7 13.5 41
RFC-20 40 20 47
RFCK2-20 40 20 47

Product Inquiry

Please send us your inquiry from the query system regarding product and technical matter about it.
Ferrite Cores (noise filter) over wide frequency band with various fitteing measure are available.
EMC Design based on well-trained measurement skill and suggestion of selection guide of effective ferrite core are available.

If you are a website member, you can easily ask inquiry after Login.