The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 15, 2024

Filed:

Aug. 04, 2021
Applicant:

Murata Manufacturing Co., Ltd., Kyoto-fu, JP;

Inventors:

Kouhei Matsuura, Nagaokakyo, JP;

Atsuo Hirukawa, Nagaokakyo, JP;

Hiroshi Ueki, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H01F 17/00 (2006.01); H01F 27/29 (2006.01);
U.S. Cl.
CPC ...
H01F 17/0013 (2013.01); H01F 27/29 (2013.01); H01F 2017/0093 (2013.01);
Abstract

A common-mode choke coil includes a multilayer body, a first coil, a second coil, a first terminal electrode, a second terminal electrode, a third terminal electrode, and a fourth terminal electrode. The multilayer body includes plural non-conductor layers. The first and second coils are incorporated in the multilayer body. The first and second terminal electrodes are connected to the first coil. The third and fourth terminal electrodes are connected to the second coil. The first coil has a path length L, the second coil has a path length L, and the sum of the path length Land the path length Lis less than or equal to 3.4 mm. The respective lower-face electrode portions of the terminal electrodes each have an area of less than or equal to 0.034 μm.


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