Common mode filter and core thereof
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United States of America Patent
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Sep 19, 2017
Issued Date -
Jun 16, 2016
app pub date -
Dec 16, 2014
filing date -
Dec 16, 2014
priority date (Note) -
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Abstract
A common mode filter, comprising a winding core, and said winding core further includes a U-type heave portion, said U-type heave portion divides said winding core into a first winding portion, a second winding portion and a cross winding portion; the first winding wires, are wound on said first winding portion, said cross winding portion and said second winding portion in sequence; and the second winding wires, are wound on said first winding portion, said cross winding portion and said second winding portion in sequence. As a result, the common mode filter not only can reduce the effects of the existence capacitors of in high-frequency layers and the inherent functionality of parasitic capacitors in common mode filters with higher frequency characteristics, but also the overall structure is simple, fast assembly and easy operation.
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