JP7180559B2 - コモンモードチョークコイル - Google Patents

コモンモードチョークコイル Download PDF

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Publication number
JP7180559B2
JP7180559B2 JP2019128019A JP2019128019A JP7180559B2 JP 7180559 B2 JP7180559 B2 JP 7180559B2 JP 2019128019 A JP2019128019 A JP 2019128019A JP 2019128019 A JP2019128019 A JP 2019128019A JP 7180559 B2 JP7180559 B2 JP 7180559B2
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JP
Japan
Prior art keywords
wire
common mode
choke coil
terminal electrode
turn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2019128019A
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English (en)
Japanese (ja)
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JP2021015819A (ja
Inventor
昌史 宮本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP2019128019A priority Critical patent/JP7180559B2/ja
Priority to CN202310116393.1A priority patent/CN115995322A/zh
Priority to CN202010473951.6A priority patent/CN112216471B/zh
Priority to US16/899,288 priority patent/US11563416B2/en
Publication of JP2021015819A publication Critical patent/JP2021015819A/ja
Priority to JP2022151318A priority patent/JP7570383B2/ja
Application granted granted Critical
Publication of JP7180559B2 publication Critical patent/JP7180559B2/ja
Priority to JP2024027052A priority patent/JP7718522B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/42Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
    • H03H7/425Balance-balance networks
    • H03H7/427Common-mode filters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type
    • H01F17/04Fixed inductances of the signal type with magnetic core
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type
    • H01F17/04Fixed inductances of the signal type with magnetic core
    • H01F17/045Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • H01F27/2828Construction of conductive connections, of leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • H01F27/292Surface mounted devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • H01F27/324Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type
    • H01F2017/0093Common mode choke coil

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Coils Of Transformers For General Uses (AREA)
JP2019128019A 2019-07-10 2019-07-10 コモンモードチョークコイル Active JP7180559B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2019128019A JP7180559B2 (ja) 2019-07-10 2019-07-10 コモンモードチョークコイル
CN202310116393.1A CN115995322A (zh) 2019-07-10 2020-05-29 共模扼流圈
CN202010473951.6A CN112216471B (zh) 2019-07-10 2020-05-29 共模扼流圈
US16/899,288 US11563416B2 (en) 2019-07-10 2020-06-11 Common mode choke coil
JP2022151318A JP7570383B2 (ja) 2019-07-10 2022-09-22 コモンモードチョークコイル
JP2024027052A JP7718522B2 (ja) 2019-07-10 2024-02-27 コモンモードチョークコイル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019128019A JP7180559B2 (ja) 2019-07-10 2019-07-10 コモンモードチョークコイル

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022151318A Division JP7570383B2 (ja) 2019-07-10 2022-09-22 コモンモードチョークコイル

Publications (2)

Publication Number Publication Date
JP2021015819A JP2021015819A (ja) 2021-02-12
JP7180559B2 true JP7180559B2 (ja) 2022-11-30

Family

ID=74059569

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2019128019A Active JP7180559B2 (ja) 2019-07-10 2019-07-10 コモンモードチョークコイル
JP2022151318A Active JP7570383B2 (ja) 2019-07-10 2022-09-22 コモンモードチョークコイル
JP2024027052A Active JP7718522B2 (ja) 2019-07-10 2024-02-27 コモンモードチョークコイル

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2022151318A Active JP7570383B2 (ja) 2019-07-10 2022-09-22 コモンモードチョークコイル
JP2024027052A Active JP7718522B2 (ja) 2019-07-10 2024-02-27 コモンモードチョークコイル

Country Status (3)

Country Link
US (1) US11563416B2 (enExample)
JP (3) JP7180559B2 (enExample)
CN (2) CN115995322A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7180559B2 (ja) * 2019-07-10 2022-11-30 株式会社村田製作所 コモンモードチョークコイル
JP7409110B2 (ja) * 2020-01-27 2024-01-09 Tdk株式会社 コイル部品及びこれを備える回路基板
JP7606282B2 (ja) * 2020-03-24 2024-12-25 Tdk株式会社 コイル装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011138914A (ja) 2009-12-28 2011-07-14 Tdk Corp コイル部品
CN204651136U (zh) 2015-04-01 2015-09-16 西北台庆科技股份有限公司 具共模滤波或电感效果的线圈结构
JP2017045918A (ja) 2015-08-28 2017-03-02 株式会社村田製作所 コイル部品
JP2018125398A (ja) 2017-01-31 2018-08-09 Tdk株式会社 コイル装置
JP2018195619A (ja) 2017-05-12 2018-12-06 Tdk株式会社 コイル部品

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3554209B2 (ja) * 1997-12-17 2004-08-18 太陽誘電株式会社 面実装型コイル部品
US6157283A (en) * 1998-11-24 2000-12-05 Taiyo Yuden Co., Ltd. Surface-mounting-type coil component
DE102008016488A1 (de) * 2008-03-31 2009-10-01 Epcos Ag Spule und Verfahren zur Herstellung einer Spule
CN101834055B (zh) * 2009-03-09 2012-11-21 乾坤科技股份有限公司 电子装置及扼流器
KR101246526B1 (ko) * 2010-05-31 2013-03-26 가부시키가이샤 마루와 인덕터 및 그 제조 방법
CN203503416U (zh) * 2012-10-16 2014-03-26 Tdk株式会社 线圈部件
JP5825249B2 (ja) 2012-12-19 2015-12-02 Tdk株式会社 コモンモードフィルタ
KR101468821B1 (ko) * 2012-12-19 2014-12-03 티디케이가부시기가이샤 커먼 모드 필터
JP6011505B2 (ja) * 2013-09-27 2016-10-19 株式会社村田製作所 コイル部品
JP6492730B2 (ja) * 2015-02-13 2019-04-03 株式会社村田製作所 コイル部品
JP2017017063A (ja) * 2015-06-26 2017-01-19 Tdk株式会社 パルストランス
JP2017126634A (ja) * 2016-01-13 2017-07-20 Tdk株式会社 コイル部品
JP7180559B2 (ja) * 2019-07-10 2022-11-30 株式会社村田製作所 コモンモードチョークコイル

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011138914A (ja) 2009-12-28 2011-07-14 Tdk Corp コイル部品
CN204651136U (zh) 2015-04-01 2015-09-16 西北台庆科技股份有限公司 具共模滤波或电感效果的线圈结构
JP2017045918A (ja) 2015-08-28 2017-03-02 株式会社村田製作所 コイル部品
JP2018125398A (ja) 2017-01-31 2018-08-09 Tdk株式会社 コイル装置
JP2018195619A (ja) 2017-05-12 2018-12-06 Tdk株式会社 コイル部品

Also Published As

Publication number Publication date
CN112216471A (zh) 2021-01-12
JP2024045784A (ja) 2024-04-02
JP7570383B2 (ja) 2024-10-21
US11563416B2 (en) 2023-01-24
JP2021015819A (ja) 2021-02-12
CN115995322A (zh) 2023-04-21
CN112216471B (zh) 2023-03-10
JP2022174304A (ja) 2022-11-22
JP7718522B2 (ja) 2025-08-05
US20210012949A1 (en) 2021-01-14

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