EN 60133:2001

SLOVENSKI STANDARD
01-september-2002
Dimensions of pot-cores made of magnetic oxides and associated parts (IEC
60133:2000)
Dimensions of pot-cores made of magnetic oxides and associated parts
Schalenkerne aus magnetischen Oxiden - Maße und Zubehör
Dimensions des circuits magnétiques en pots en oxydes magnétiques et pièces
associées
Ta slovenski standard je istoveten z: EN 60133:2001
ICS:
29.100.10 Magnetne komponente Magnetic components
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60133
NORME EUROPÉENNE
EUROPÄISCHE NORM March 2001
ICS 29.100.10
English version
Dimensions of pot-cores made of magnetic oxides
and associated parts
(IEC 60133:2000)
Dimensions des circuits magnétiques Schalenkerne aus magnetischen Oxiden -
en pots en oxydes magnétiques Maße und Zubehör
et pièces associées (IEC 60133:2000)
(CEI 60133:2000)
This European Standard was approved by CENELEC on 2001-01-01. 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 three official versions (English, French, 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, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
Portugal, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60133:2001 E
Foreword
The text of document 51/570/FDIS, future edition 4 of IEC 60133, 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 60133 on 2001-01-01.
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) 2001-10-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2004-01-01
Annexes designated "normative" are part of the body of the standard.
Annexes designated "informative" are given for information only.
In this standard, annex ZA is normative and annexes A, B and C are informative.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60133:2000 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 60133:2001
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of
any of these publications apply to this European Standard only when incorporated in it by
amendment or revision. For undated references the latest edition of the publication referred to
applies (including amendments).
NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
IEC 60205 - Calculation of the effective parameters of--
magnetic piece parts
NORME CEI
INTERNATIONALE IEC
INTERNATIONAL
Quatrième édition
STANDARD
Fourth edition
2000-12
Dimensions des circuits magnétiques en pots
en oxydes magnétiques et pièces associées
Dimensions of pot-cores made
of magnetic oxides and associated parts
 IEC 2001 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in
utilisée sous quelque forme que ce soit et par aucun procédé, any form or by any means, electronic or mechanical,
électronique ou mécanique, y compris la photocopie et les including photocopying and microfilm, without permission in
microfilms, sans l'accord écrit de l'éditeur. writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
L
PRICE CODE
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue

60133 © IEC:2001 – 3 –
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Primary standards . 7
3.1 Dimensions of pot-cores. 7
3.1.1 Principal dimensions . 7
3.1.2 Grooves . 11
3.1.3 Effective parameter values . 13
3.2 Main dimensions for coil formers . 15
Annex A (informative) Pot-core design . 17
Annex B (informative) Derived standards. 19
Annex C (informative) Example of a standard for gauges to check the dimensions
of pot-cores meeting the IEC primary standard. 21
Figure 1 – Principal dimensions of pot-cores without slots. 7
Figure 2 – Principal dimensions of pot-cores with slots. 9
Figure 3 – Main dimensions for coil formers . 15
Figure C.1 – Dimensions of gauge A. 21
Figure C.2 – Dimensions of gauges B and C . 23
Table 1 – Principal dimensions of pot-cores . 9
Table 2 – Limits for C and G . 11
Table 3 – Minimum groove depth . 11
Table 4 – Effective parameter values pot-cores with a centre hole. 13
Table 5 – Effective parameter values pot-cores without a centre hole . 13
Table 6 – Main dimensions for coil formers . 15
Table A.1 – Ratio of diameter to height . 17
Table C.1 – Dimensions of gauge A . 21
Table C.2 – Dimensions of gauges B and C . 23

60133 © IEC:2001 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
DIMENSIONS OF POT-CORES MADE OF MAGNETIC OXIDES
AND ASSOCIATED PARTS
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization
for Standardization (ISO) in accordance with conditions determined by agreement between the two
organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60133 has been prepared by technical committee 51: Magnetic
components and ferrite materials.
This edition cancels and replaces the third edition published in 1985, and constitutes a
technical revision.
This bilingual version (2001-09) replaces the English version.
The text of this standard is based on the following documents:
FDIS Report on voting
51/570/FDIS 51/580/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
Annexes A, B and C are given for information only.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 3.
The committee has decided that the contents of this publication will remain unchanged
until 2004. At this date, the publication will be
reconfirmed;
withdrawn;
replaced by a revised edition, or
amended.
60133 © IEC:2001 – 7 –
DIMENSIONS OF POT-CORES MADE OF MAGNETIC OXIDES
AND ASSOCIATED PARTS
1 Scope
This International Standard specifies the dimensions that are of importance for mechanical
interchangeability for a preferred range of pot-cores made of magnetic oxides, and the
dimensional limits for coil formers to be used with them. The general considerations upon
which the design of this range of cores is based are given in annex A.
2 Normative references
The following normative documents contain provisions which, through reference in this text,
constitute provisions of this International Standard. For dated references, subsequent
amendments to, or revisions of, any of these publications do not apply. However, parties to
agreements based on this International Standard are encouraged to investigate the possibility
of applying the most recent editions of the normative documents indicated below. For undated
references, the latest edition of the normative document referred to applies. Members of IEC
and ISO maintain registers of currently valid International Standards.
IEC 60205, Calculation of effective parameters of magnetic piece parts
3 Primary standards
Compliance with the following requirements ensures mechanical interchangeability of complete
assemblies and coil formers.
3.1 Dimensions of pot-cores
3.1.1 Principal dimensions
The principal dimensions of pot-cores shall be as given in table 1.
2B
X
2D
r
X
Section X- X
IEC  2587/2000
Figure 1 – Principal dimensions of pot-cores without slots
G
H
F
E
A
60133 © IEC:2001 – 9 –
2B
X
2D
C
r1
X
Section X- X
IEC  2588/2000
Figure 2 – Principal dimensions of pot-cores with slots
Table 1 – Principal dimensions of pot-cores
Dimensions in millimetres
a
A E F H 2B 2D
r
Size Figures
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Max.
P3,3/2,6 3,18 3,30 2,50 2,60 1,30 1,40 – – 2,50 2,60 1,70 1,90 0,20 1
P4,6/3,1 4,40 4,60 3,50 3,65 1,90 2,00 – – 3,00 3,10 2,10 2,30 0,20 1
P5,8/3,3 5,65 5,80 4,50 4,60 2,40 2,50 0,95 1,05 3,20 3,30 2,20 2,40 0,20 1
P7,4/4,0 7,15 7,35 5,80 5,95 2,90 3,00 1,05 1,15 4,10 4,20 2,80 3,00 0,20 1
P9/5 9 9,3 7,5 7,75 3,7 3,9 2 2,2 5,1 5,4 3,6 3,9 0,25 2
P11/7 10,9 11,3 9 9,4 4,5 4,7 2 2,2 6,3 6,6 4,4
4,7 0,25 2
P14/8 13,8 14,3 11,6 12 5,8 6 3 3,2 8,2 8,5 5,6  6 0,25 2
P18/11 17,6 18,4 14,9 15,4 7,3 7,6 3 3,2 10,4 10,7 7,2  7,6 0,25 2
P22/13 21,2 22 17,9 18,5 9,1 9,4 4,4 4,7 13,2 13,6 9,2  9,6 0,35 2
P26/16 25 26 21,2 22
...