IT8334023V0 - Trasformatore smt con nucleo di ferrite. - Google Patents

Trasformatore smt con nucleo di ferrite.

Info

Publication number
IT8334023V0
IT8334023V0 IT8334023U IT3402383U IT8334023V0 IT 8334023 V0 IT8334023 V0 IT 8334023V0 IT 8334023 U IT8334023 U IT 8334023U IT 3402383 U IT3402383 U IT 3402383U IT 8334023 V0 IT8334023 V0 IT 8334023V0
Authority
IT
Italy
Prior art keywords
core
legs
portions
ferrite core
smt
Prior art date
Application number
IT8334023U
Other languages
English (en)
Italian (it)
Inventor
Giovanni Maddalon
Original Assignee
Ducati Elettrotecnica Spa
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 Ducati Elettrotecnica Spa filed Critical Ducati Elettrotecnica Spa
Priority to IT8334023U priority Critical patent/IT8334023V0/it
Publication of IT8334023V0 publication Critical patent/IT8334023V0/it
Priority to ES1984278941U priority patent/ES278941Y/es
Priority to DE8484104976T priority patent/DE3468578D1/de
Priority to EP84104976A priority patent/EP0131700B1/de
Priority to AT84104976T priority patent/ATE31840T1/de

Links

Classifications

    • 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
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • 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
    • H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Soft Magnetic Materials (AREA)
IT8334023U 1983-05-09 1983-05-09 Trasformatore smt con nucleo di ferrite. IT8334023V0 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT8334023U IT8334023V0 (it) 1983-05-09 1983-05-09 Trasformatore smt con nucleo di ferrite.
ES1984278941U ES278941Y (es) 1983-05-09 1984-04-18 Transformador smt con nucleo de ferrita
DE8484104976T DE3468578D1 (en) 1983-05-09 1984-05-03 Switch mode transformer having a ferrite core
EP84104976A EP0131700B1 (de) 1983-05-09 1984-05-03 Impulstransformator mit Ferritkern
AT84104976T ATE31840T1 (de) 1983-05-09 1984-05-03 Impulstransformator mit ferritkern.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8334023U IT8334023V0 (it) 1983-05-09 1983-05-09 Trasformatore smt con nucleo di ferrite.

Publications (1)

Publication Number Publication Date
IT8334023V0 true IT8334023V0 (it) 1983-05-09

Family

ID=11238756

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8334023U IT8334023V0 (it) 1983-05-09 1983-05-09 Trasformatore smt con nucleo di ferrite.

Country Status (5)

Country Link
EP (1) EP0131700B1 (de)
AT (1) ATE31840T1 (de)
DE (1) DE3468578D1 (de)
ES (1) ES278941Y (de)
IT (1) IT8334023V0 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937546A (en) * 1989-03-28 1990-06-26 Salom Electric Co., Ltd. Ring-core transformer
FR2655475B1 (fr) * 1989-12-01 1992-02-21 Orega Electro Mecanique Dispositif de blindage pour transformateur d'alimentation a decoupage.
US6950291B1 (en) * 1999-11-29 2005-09-27 Lucent Technologies Inc. Electromagnetic interference shielding for small magnetic devices
CN111735994B (zh) * 2020-08-25 2020-11-13 广东电网有限责任公司东莞供电局 一种变压器检测用夹具

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617854A (en) * 1970-04-20 1971-11-02 Raytheon Co Pulse transformer
US3668586A (en) * 1971-03-08 1972-06-06 Electronic Associates Transformer-inductor frame and kit
DE2209071A1 (de) * 1972-02-25 1973-08-30 Siemens Ag Abgleichbare elektrische spule, insbesondere fuer hybrid- und gedruckte schaltungen
GB2035706B (en) * 1978-11-09 1983-05-05 Tdk Electronics Co Ltd Inductance element

Also Published As

Publication number Publication date
ES278941Y (es) 1985-04-01
DE3468578D1 (en) 1988-02-11
EP0131700B1 (de) 1988-01-07
EP0131700A3 (en) 1985-05-15
EP0131700A2 (de) 1985-01-23
ATE31840T1 (de) 1988-01-15
ES278941U (es) 1984-09-16

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