JP4473040B2 - 直流電流による飽和度を減少させた電力用インダクタ - Google Patents

直流電流による飽和度を減少させた電力用インダクタ Download PDF

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Publication number
JP4473040B2
JP4473040B2 JP2004146964A JP2004146964A JP4473040B2 JP 4473040 B2 JP4473040 B2 JP 4473040B2 JP 2004146964 A JP2004146964 A JP 2004146964A JP 2004146964 A JP2004146964 A JP 2004146964A JP 4473040 B2 JP4473040 B2 JP 4473040B2
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magnetic core
core material
power inductor
conductor
disposed
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JP2005039214A5 (https=
JP2005039214A (ja
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サハット スタルジャ
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マーベル ワールド トレード リミテッド
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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
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • 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
    • 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
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/02—Adaptations of transformers or inductances for specific applications or functions for non-linear operation
    • H01F38/023—Adaptations of transformers or inductances for specific applications or functions for non-linear operation of inductances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
JP2004146964A 2003-07-16 2004-05-17 直流電流による飽和度を減少させた電力用インダクタ Expired - Lifetime JP4473040B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/621,128 US7023313B2 (en) 2003-07-16 2003-07-16 Power inductor with reduced DC current saturation

Publications (3)

Publication Number Publication Date
JP2005039214A JP2005039214A (ja) 2005-02-10
JP2005039214A5 JP2005039214A5 (https=) 2007-06-07
JP4473040B2 true JP4473040B2 (ja) 2010-06-02

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JP2004146964A Expired - Lifetime JP4473040B2 (ja) 2003-07-16 2004-05-17 直流電流による飽和度を減少させた電力用インダクタ

Country Status (5)

Country Link
US (2) US7023313B2 (https=)
EP (1) EP1498914B1 (https=)
JP (1) JP4473040B2 (https=)
CN (1) CN100555482C (https=)
TW (1) TWI333219B (https=)

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US10998124B2 (en) 2016-05-06 2021-05-04 Vishay Dale Electronics, Llc Nested flat wound coils forming windings for transformers and inductors
KR102464202B1 (ko) 2016-08-31 2022-11-04 비쉐이 데일 일렉트로닉스, 엘엘씨 낮은 직류 저항을 갖는 고전류 코일을 구비한 인덕터
US12567533B2 (en) 2020-03-03 2026-03-03 Vishay Dale Electronics, Llc Inductor with preformed termination and method and assembly for making the same
CN213958701U (zh) * 2020-08-27 2021-08-13 南京矽力微电子技术有限公司 变压器
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