Calculation of the effective parameters of magnetic piece parts

IEC 60205:2006 lays down uniform rules for the calculation of the effective parameters of closed circuits of ferromagnetic material.

Berechnung der effektiven Kernparameter magnetischer Formteile

Calcul des paramètres effectifs des pièces ferromagnétiques

La CEI 60205:2006 établit des règles uniformes pour le calcul des paramètres effectifs des circuits fermés de matériaux ferromagnétiques.

Izračun efektivnih parametrov magnetnih sestavnih delov (IEC 60205:2006)

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oct 2006
Izračun efektivnih parametrov magnetnih sestavnih delov (IEC 60205:2006)
Calculation of the effective parameters of magnetic piece parts (IEC 60205:2006)
ICS 29.100.10 Referenčna številka
SIST EN 60205:2006(en)
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

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EN 60205

July 2006

ICS 29.100.10 Supersedes EN 60205:2001

English version

Calculation of the effective parameters of magnetic piece parts
(IEC 60205:2006)

Calcul des paramètres effectifs  Berechnung der effektiven Kernparameter
des pièces ferromagnétiques magnetischer Formteile
(CEI 60205:2006) (IEC 60205:2006)

This European Standard was approved by CENELEC on 2006-05-01. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists in two official versions (English and German). A version in any other language
made by translation under the responsibility of a CENELEC member into its own language and notified to the
Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60205:2006 E

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EN 60205:2006 - 2 -
The text of document 51/848/FDIS, future edition 3 of IEC 60205, prepared by IEC TC 51, Magnetic
components and ferrite materials, was submitted to the IEC-CENELEC parallel vote and was approved by
CENELEC as EN 60205 on 2006-05-01.
This European Standard supersedes EN 60205:2001.
This European Standard includes the following significant technical changes with respect to
EN 60205:2001:
a) unit of angles through the text are described by using “radian”;
b) new words are added in 2.1 “All angles are in radians”;
l In d g /d l In d g /d
2 2 3 2 2 3
c) replacement, in 3.9, of the equation = by = ;
A Dπ(h − h ) A Dπ(h − h )/2
2 1 2 2 1 2
d) new cores “EL, ER, PQ, EFD and E planar” are added in this edition.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2007-02-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-05-01
Endorsement notice
The text of the International Standard IEC 60205:2006 was approved by CENELEC as a European
Standard without any modification.

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Third edition

Calculation of the effective parameters
of magnetic piece parts

 IEC 2006  Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: Web:
Commission Electrotechnique Internationale U
International Electrotechnical Commission
For price, see current catalogue

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– 2 – 60205  IEC:2006(E)

1 Scope.5
2 Basic rules.5
3 Formulae for the various types of c

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