CN115995322B - 共模扼流圈 - Google Patents

共模扼流圈

Info

Publication number
CN115995322B
CN115995322B CN202310116393.1A CN202310116393A CN115995322B CN 115995322 B CN115995322 B CN 115995322B CN 202310116393 A CN202310116393 A CN 202310116393A CN 115995322 B CN115995322 B CN 115995322B
Authority
CN
China
Prior art keywords
wire
turns
terminal electrode
end side
layer
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
CN202310116393.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN115995322A (zh
Inventor
宫本昌史
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
Publication of CN115995322A publication Critical patent/CN115995322A/zh
Application granted granted Critical
Publication of CN115995322B publication Critical patent/CN115995322B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
    • H03H7/425—Balance-balance networks
    • H03H7/427—Common-mode filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/045—Fixed 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • H01F27/2828—Construction of conductive connections, of leads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H01F27/292—Surface mounted devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F2017/0093—Common 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)
CN202310116393.1A 2019-07-10 2020-05-29 共模扼流圈 Active CN115995322B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-128019 2019-07-10
JP2019128019A JP7180559B2 (ja) 2019-07-10 2019-07-10 コモンモードチョークコイル
CN202010473951.6A CN112216471B (zh) 2019-07-10 2020-05-29 共模扼流圈

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN202010473951.6A Division CN112216471B (zh) 2019-07-10 2020-05-29 共模扼流圈

Publications (2)

Publication Number Publication Date
CN115995322A CN115995322A (zh) 2023-04-21
CN115995322B true CN115995322B (zh) 2026-03-17

Family

ID=74059569

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202310116393.1A Active CN115995322B (zh) 2019-07-10 2020-05-29 共模扼流圈
CN202010473951.6A Active CN112216471B (zh) 2019-07-10 2020-05-29 共模扼流圈

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202010473951.6A Active CN112216471B (zh) 2019-07-10 2020-05-29 共模扼流圈

Country Status (3)

Country Link
US (1) US11563416B2 (https=)
JP (3) JP7180559B2 (https=)
CN (2) CN115995322B (https=)

Families Citing this family (4)

* 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
JP7619258B2 (ja) * 2021-12-28 2025-01-22 株式会社豊田自動織機 電力供給装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106971825A (zh) * 2016-01-13 2017-07-21 Tdk株式会社 线圈部件

Family Cites Families (19)

* 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
US20080309445A1 (en) * 2007-06-14 2008-12-18 Tdk Corporation Transformer
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
JP5120373B2 (ja) 2009-12-28 2013-01-16 Ｔｄｋ株式会社 コイル部品
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
TWM500972U (zh) * 2014-12-29 2015-05-11 Tai Tech Advanced Electronics Co Ltd 電感構造
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
JP6358194B2 (ja) 2015-08-28 2018-07-18 株式会社村田製作所 コイル部品
JP6369577B2 (ja) 2017-01-31 2018-08-08 Tdk株式会社 コイル装置
JP6347303B1 (ja) 2017-05-12 2018-06-27 Tdk株式会社 コイル部品
CN109616301B (zh) * 2018-12-29 2022-06-10 通力科技股份有限公司 低共模噪声变压器
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106971825A (zh) * 2016-01-13 2017-07-21 Tdk株式会社 线圈部件

Also Published As

Publication number Publication date
JP2024045784A (ja) 2024-04-02
US20210012949A1 (en) 2021-01-14
CN112216471B (zh) 2023-03-10
JP2021015819A (ja) 2021-02-12
CN115995322A (zh) 2023-04-21
JP7180559B2 (ja) 2022-11-30
JP2022174304A (ja) 2022-11-22
JP7718522B2 (ja) 2025-08-05
US11563416B2 (en) 2023-01-24
JP7570383B2 (ja) 2024-10-21
CN112216471A (zh) 2021-01-12

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