TW200719361A - Power inductor - Google Patents

Power inductor

Info

Publication number
TW200719361A
TW200719361A TW095141995A TW95141995A TW200719361A TW 200719361 A TW200719361 A TW 200719361A TW 095141995 A TW095141995 A TW 095141995A TW 95141995 A TW95141995 A TW 95141995A TW 200719361 A TW200719361 A TW 200719361A
Authority
TW
Taiwan
Prior art keywords
frequency
inductor
current
resistance
band frequency
Prior art date
Application number
TW095141995A
Other languages
English (en)
Inventor
Kan Sano
Yoshito Watanabe
Original Assignee
Sumida Corp
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 Sumida Corp filed Critical Sumida Corp
Publication of TW200719361A publication Critical patent/TW200719361A/zh

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00
    • 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
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • 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 
    • 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
    • H01F27/288—Shielding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Coils Of Transformers For General Uses (AREA)
TW095141995A 2005-11-14 2006-11-14 Power inductor TW200719361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005328599A JP2007134631A (ja) 2005-11-14 2005-11-14 電源用のインダクタ

Publications (1)

Publication Number Publication Date
TW200719361A true TW200719361A (en) 2007-05-16

Family

ID=38023085

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095141995A TW200719361A (en) 2005-11-14 2006-11-14 Power inductor

Country Status (7)

Country Link
US (1) US20090179724A1 (zh)
EP (1) EP1970923A4 (zh)
JP (1) JP2007134631A (zh)
KR (1) KR20080069684A (zh)
CN (1) CN101305430A (zh)
TW (1) TW200719361A (zh)
WO (1) WO2007055078A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007258194A (ja) * 2006-03-20 2007-10-04 Sumida Corporation インダクタ
JP5786660B2 (ja) * 2011-11-08 2015-09-30 スミダコーポレーション株式会社 磁性部品および磁性部品の製造方法
US20140266536A1 (en) * 2013-03-15 2014-09-18 Lantek Electronics Inc. Ferrite core winding structure with high frequency response

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB825491A (en) * 1957-05-06 1959-12-16 Aladdin Ind Inc Magnetically enclosed coil
US3508216A (en) * 1965-10-29 1970-04-21 Fujitsu Ltd Magnetic memory element having a film of nonmagnetic electrically conductive material thereabout
US3882427A (en) * 1972-12-20 1975-05-06 Allis Chalmers Transient damping means for an electrical installation
JPS6041312A (ja) * 1983-08-16 1985-03-05 Tdk Corp 回路素子
US5621636A (en) * 1994-02-22 1997-04-15 Nippon Steel Corporation Thin DC-DC converter arrangement
US5483208A (en) * 1994-08-26 1996-01-09 Scientific-Atlanta, Inc. Radio frequency choke and tap
US5748064A (en) * 1996-02-22 1998-05-05 Northrop Grumman Corporation Low profile reactor
JP3620623B2 (ja) * 1997-10-21 2005-02-16 富士電機デバイステクノロジー株式会社 平面型磁気素子
JP2001267155A (ja) * 2000-03-17 2001-09-28 Fuji Electric Co Ltd 平面型磁気素子
DE10016974A1 (de) * 2000-04-06 2001-10-11 Philips Corp Intellectual Pty Spule für automatisierte Montage
JP4684461B2 (ja) * 2000-04-28 2011-05-18 パナソニック株式会社 磁性素子の製造方法
JP4259020B2 (ja) * 2002-01-28 2009-04-30 ミツミ電機株式会社 インダクタンス素子及びその製造方法

Also Published As

Publication number Publication date
EP1970923A4 (en) 2009-01-07
JP2007134631A (ja) 2007-05-31
EP1970923A1 (en) 2008-09-17
WO2007055078A1 (ja) 2007-05-18
CN101305430A (zh) 2008-11-12
KR20080069684A (ko) 2008-07-28
US20090179724A1 (en) 2009-07-16

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