Noise Reduction (EMC Reduction)Parts

Ferrite core (noise filter)

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Ferrite core (noise filter)


Non-split ferrite core

Non-split toroidal core for Mid-frequency range from 3 to 50MHz.


Effective for suppression both of conducted noise upto 30MHz and radiated noise over 30MHz.
With regard to variation of size, please contact our sales department.

Complied with RoHS Directive 2011/65/EU


Soft ferrite (Epoxy coating)



Feature Non split type Cable types Round cable
Frequency band Broad band Usage For radiated noise
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
KTR-25-15-18E 26.7 13.4 19.5
KTR-28-16-20E 29.7 14.4 21.6
KTR-35-21-18E 35.6 20.0 18.8
KTR-40-27-15E 41.4 26.7 15.7
KTR-47-35-20E 49.1 33.1 21.6

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.

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