COMMON MODE FILTER
First Claim
Patent Images
1. A common mode filter comprising:
- a substrate;
a coil part including an insulating part provided on the substrate and a conductor coil provided in the insulating part;
a plurality of external electrodes provided on the insulating part while being electrically connected to the conductor coil; and
a magnetic material part provided in a region between the plurality of external electrodes on the insulating part,wherein each of the plurality of external electrodes has a length of a short side of a transversal cross section corresponding to a half or less of a height thereof.
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Abstract
Disclosed herein is a common mode filter including: a coil part including a conductor coil provided in an insulating part; a plurality of external electrodes provided on the insulating part while being electrically connected to the conductor coil; and a magnetic material part provided in a region between the plurality of external electrodes on the insulating part. By this configuration, impedance characteristics of the common mode filter may be improved.
9 Citations
10 Claims
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1. A common mode filter comprising:
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a substrate; a coil part including an insulating part provided on the substrate and a conductor coil provided in the insulating part; a plurality of external electrodes provided on the insulating part while being electrically connected to the conductor coil; and a magnetic material part provided in a region between the plurality of external electrodes on the insulating part, wherein each of the plurality of external electrodes has a length of a short side of a transversal cross section corresponding to a half or less of a height thereof. - View Dependent Claims (2, 3, 4, 5)
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6. A common mode filter comprising:
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a substrate; a first insulating part provided on the substrate; primary and secondary coils each formed by winding a conductive material at least once on the first insulating part; a first primary outer terminal provided at one end of the primary coil; a primary inner terminal provided at the other end of the primary coil; a first secondary outer terminal provided at one end of the secondary coil; a secondary inner terminal provided at the other end of the secondary coil; a second insulating part formed on the first insulating part and covering the primary coil, the secondary coil, the primary inner terminal, and the secondary inner terminal; a first primary external electrode provided on the first primary outer terminal to thereby be electrically connected to the first primary outer terminal; a second primary external electrode electrically connected to the primary inner terminal; a first secondary external electrode provided on the first secondary outer terminal to thereby be electrically connected to the first secondary outer terminal; a second secondary external electrode electrically connected to the secondary inner terminal; and a magnetic material part provided in a region between the first primary external electrode, the second primary external electrode, the first secondary external electrode, and the second secondary external electrode, wherein at least one of the first primary external electrode, the second primary external electrode, the first secondary external electrode, and the second secondary external electrode has a length of a short side of a transversal cross section corresponding to a half or less of a height thereof. - View Dependent Claims (7, 8, 9, 10)
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Specification