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COMMON MODE NOISE FILTER

  • US 20130249661A1
  • Filed: 09/09/2011
  • Published: 09/26/2013
  • Est. Priority Date: 09/24/2010
  • Status: Active Grant
First Claim
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1. A common mode noise filter having a filter body that comprises:

  • a non-magnetic body;

    a first magnetic body and a second magnetic body sandwiching the non-magnetic body; and

    a first coil conductor and a second coil conductor of planar shape which are embedded in the non-magnetic body and positioned on the first magnetic body side and second magnetic body side in the non-magnetic body in a manner facing each other in a non-contact state;

    wherein the common mode noise filter has a non-magnetic first protective part and second protective part positioned on an outermost side of the filter body in a manner sandwiching the first magnetic body and second magnetic body, where the first protective part and second protective part are made of a non-magnetic material whose strength is higher than the first magnetic body and second magnetic body.

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