JP7673872B2 - 回路装置、およびフィルタ回路 - Google Patents

回路装置、およびフィルタ回路 Download PDF

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Publication number
JP7673872B2
JP7673872B2 JP2024517262A JP2024517262A JP7673872B2 JP 7673872 B2 JP7673872 B2 JP 7673872B2 JP 2024517262 A JP2024517262 A JP 2024517262A JP 2024517262 A JP2024517262 A JP 2024517262A JP 7673872 B2 JP7673872 B2 JP 7673872B2
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JP
Japan
Prior art keywords
coil
terminal
wiring
circuit device
coil component
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
JP2024517262A
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English (en)
Japanese (ja)
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JPWO2023210499A1 (https=
JPWO2023210499A5 (https=
Inventor
淳 東條
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 JPWO2023210499A1 publication Critical patent/JPWO2023210499A1/ja
Publication of JPWO2023210499A5 publication Critical patent/JPWO2023210499A5/ja
Application granted granted Critical
Publication of JP7673872B2 publication Critical patent/JP7673872B2/ja
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • 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
    • 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
    • H01F27/02—Casings
    • H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
    • 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
    • H01F27/325—Coil bobbins
    • 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
    • H03H7/01—Frequency selective two-port networks
    • 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
    • H03H7/01—Frequency selective two-port networks
    • H03H7/09—Filters comprising mutual inductance
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Filters And Equalizers (AREA)
JP2024517262A 2022-04-28 2023-04-20 回路装置、およびフィルタ回路 Active JP7673872B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022074555 2022-04-28
JP2022074555 2022-04-28
PCT/JP2023/015779 WO2023210499A1 (ja) 2022-04-28 2023-04-20 回路装置、およびフィルタ回路

Publications (3)

Publication Number Publication Date
JPWO2023210499A1 JPWO2023210499A1 (https=) 2023-11-02
JPWO2023210499A5 JPWO2023210499A5 (https=) 2024-09-18
JP7673872B2 true JP7673872B2 (ja) 2025-05-09

Family

ID=88518708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024517262A Active JP7673872B2 (ja) 2022-04-28 2023-04-20 回路装置、およびフィルタ回路

Country Status (4)

Country Link
US (1) US20240428985A1 (https=)
JP (1) JP7673872B2 (https=)
CN (1) CN222928375U (https=)
WO (1) WO2023210499A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024166971A1 (ja) * 2023-02-09 2024-08-15 株式会社村田製作所 回路装置、および回路基板
WO2025100089A1 (ja) * 2023-11-06 2025-05-15 株式会社村田製作所 コイル部品

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030210110A1 (en) 2002-02-25 2003-11-13 Perreault David J. Filter having parasitic inductance cancellation
JP2015041959A (ja) 2013-08-23 2015-03-02 日立オートモティブシステムズ株式会社 電力変換装置
WO2019229939A1 (ja) 2018-05-31 2019-12-05 三菱電機株式会社 ノイズフィルタ及び電気電子機器
JP2020155875A (ja) 2019-03-19 2020-09-24 株式会社豊田中央研究所 ノイズフィルタ
WO2021044848A1 (ja) 2019-09-06 2021-03-11 株式会社村田製作所 フィルタ素子
WO2022014432A1 (ja) 2020-07-13 2022-01-20 株式会社村田製作所 フィルタ回路および、これを含む電源装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3118327B2 (ja) * 1992-08-08 2000-12-18 東光株式会社 Ｌｃ複合部品

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030210110A1 (en) 2002-02-25 2003-11-13 Perreault David J. Filter having parasitic inductance cancellation
JP2015041959A (ja) 2013-08-23 2015-03-02 日立オートモティブシステムズ株式会社 電力変換装置
WO2019229939A1 (ja) 2018-05-31 2019-12-05 三菱電機株式会社 ノイズフィルタ及び電気電子機器
JP2020155875A (ja) 2019-03-19 2020-09-24 株式会社豊田中央研究所 ノイズフィルタ
WO2021044848A1 (ja) 2019-09-06 2021-03-11 株式会社村田製作所 フィルタ素子
WO2022014432A1 (ja) 2020-07-13 2022-01-20 株式会社村田製作所 フィルタ回路および、これを含む電源装置

Also Published As

Publication number Publication date
JPWO2023210499A1 (https=) 2023-11-02
CN222928375U (zh) 2025-05-30
US20240428985A1 (en) 2024-12-26
WO2023210499A1 (ja) 2023-11-02

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