Title:
コモンモードノイズフィルタ
Document Type and Number:
Japanese Patent JP7126042
Kind Code:
B2
Abstract:
To provide a common mode noise filter capable of preventing insulation deterioration between coils.SOLUTION: A common mode noise filter comprises: a plurality of insulation body layers 11b to 11e to be laminated; and first to fourth coil conductors 12 to 15 formed in each of the plurality of insulation body layers 11b to 11e, formed in spiral shape having one or more turns by continuing a long side and a short side. First to fourth connection parts making the long side and the short side of each of the first to fourth coil conductors to be connected is formed in a circular arc, and the connection part of the two coil conductors adjacent in a lamination direction exists at a position which is different in a plan view.SELECTED DRAWING: Figure 3
Inventors:
Onodera Village
Hideki Tanaka
Takuji Kawashima
Hideki Tanaka
Takuji Kawashima
Application Number:
JP2018047983A
Publication Date:
August 26, 2022
Filing Date:
March 15, 2018
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H01F17/00; H01F27/28; H03H7/09
Domestic Patent References:
| JP2005294486A | ||||
| JP2013138146A | ||||
| JP2017073475A |
Foreign References:
| WO2009081865A1 | ||||
| US20160078998 | ||||
| US20140198418 |
Attorney, Agent or Firm:
Kenji Kamata
Koichi Nomura
Koichi Nomura
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