Multilayer common mode filter
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United States of America Patent
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-
Feb 17, 2015
Grant Date -
Jul 10, 2014
app pub date -
Dec 18, 2013
filing date -
Jan 9, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A first coil is configured in such a structure that first and second coil conductors are connected by a first through-hole conductor. A second coil is configured in such a structure that third and fourth coil conductors are connected by a second through-hole conductor. The first and second coils are arranged in a nonmagnetic section consisting of nonmagnetic layers. A portion located inside the first coil and the second coil in the nonmagnetic section includes a first regional portion and a second regional portion adjacent to each other when viewed from a laminated direction of the nonmagnetic layers. The first and second through-hole conductors are located in the first regional portion so as to be adjacent to each other, when viewed from the laminated direction. A magnetic core section comprised of a magnetic material is located in the second regional portion when viewed from the laminated direction.
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