COMMON MODE FILTER
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
Apr 11, 2024
filing date -
Oct 5, 2012
priority date (Note) -
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status (Latency Note)
Importance
Abstract
Disclosed herein is a common mode filter that comprises a drum core including a winding core portion and a pair of flange portions provided at both ends of the winding core portion, and first and second wires wound around the winding core portion so as to form a pair-wire for each turn. The first and second wires includes one or a plurality of sparsely-wound portions in which the first and second wires are wound with adjacent pair-wires spaced from each other, and one or a plurality of closely-wound portions in which the first and second wires are wound with adjacent pair-wires in close contact with each other.
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