EN IEC 60938-2-1:2024

SLOVENSKI STANDARD
01-marec-2024
Fiksne dušilke za dušenje elektromagnetnega motenja - 2-1. del: Okvirna
podrobna specifikacija - Dušilke, za katere so potrebni varnostni preskusi - Raven
ocenjevanja D (IEC 60938-2-1:2023)
Fixed inductors for electromagnetic interference suppression - Part 2-1: Blank detail
specification - Inductors for which safety tests are required - Assessment level D (IEC
60938-2-1:2023)
Drosseln zur Unterdrückung elektromagnetischer Störungen - Teil 2-1: Vordruck für
Bauartspezifikation - Drosseln, für die Sicherheitsprüfungen erforderlich sind -
Bewertungsstufe D (IEC 60938-2-1:2023)
Inductances fixes d'antiparasitage - Partie 2-1: Spécification particulière cadre -
Inductances nécessitant des essais de sécurité - Niveau d'évaluation D (IEC 60938-2-
1:2023)
Ta slovenski standard je istoveten z: EN IEC 60938-2-1:2024
ICS:
29.180 Transformatorji. Dušilke Transformers. Reactors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60938-2-1

NORME EUROPÉENNE
EUROPÄISCHE NORM January 2024
ICS 29.100.10; 31.020 Supersedes EN 60938-2-1:1999
English Version
Fixed inductors for electromagnetic interference suppression -
Part 2-1: Blank detail specification - Inductors for which safety
tests are required
(IEC 60938-2-1:2023)
Inductances fixes d'antiparasitage - Partie 2-1: Spécification Ortsfeste Induktivitäten zur elektromagnetischen
particulière-cadre - Inductances exigeant des essais de Störunterdrückung - Teil 2-1: Blank-Detailspezifikation -
sécurité Induktivitäten, für die Sicherheitsprüfungen erforderlich sind
(IEC 60938-2-1:2023) - Bewertungsstufe D
(IEC 60938-2-1:2023)
This European Standard was approved by CENELEC on 2024-01-10. 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 CEN-CENELEC
Management Centre 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 CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60938-2-1:2024 E

European foreword
The text of document 40/3084/FDIS, future edition 2 of IEC 60938-2-1, prepared by IEC/TC 40
"Capacitors and resistors for electronic equipment" was submitted to the IEC-CENELEC parallel vote
and approved by CENELEC as EN IEC 60938-2-1:2024.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-10-10
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-01-10
document have to be withdrawn
This document supersedes EN 60938-2-1:1999 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60938-2-1:2023 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60938-2-2:1999 NOTE Approved as EN 60938-2-2:1999 (not modified)
IEC 61193-2 NOTE Approved as EN 61193-2
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60938-2 2021 Fixed inductors for electromagnetic EN IEC 60938-2 2021
interference suppression - Part 2: Sectional
specification on power line chokes

IEC 60938-2-1 ®
Edition 2.0 2023-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fixed inductors for electromagnetic interference suppression –

Part 2-1: Blank detail specification – Inductors for which safety tests are

required
Inductances fixes d'antiparasitage –

Partie 2-1: Spécification particulière-cadre – Inductances exigeant des essais de

sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.100.10, 31.020 ISBN 978-2-8322-7932-8

– 2 – IEC 60938-2-1:2023 © IEC 2023
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 General information . 7
4.1 Methods of mounting. 7
4.2 Dimensions . 8
4.3 Ratings and characteristics . 8
4.4 Marking . 8
4.5 Ordering information . 8
4.6 Certified records of released lots . 9
4.7 Additional information (not for inspection purposes) . 9
4.8 Additional or increased severities or requirements to those specified in the
generic or sectional specification . 9
5 Inspection requirements . 9
5.1 Procedures . 9
5.2 Test schedules . 9
5.2.1 Initial approval . 9
5.2.2 Conformance tests . 9
5.2.3 Quality conformance inspection . 10
Annex A (normative) Declaration of design . 11
Annex B (informative) Quality conformance inspection . 12
Bibliography . 17

Table 1 – Dimensions related to case size . 8
Table 2 – Type designation related to values of inductance, rated current and DC
resistance . 8
Table 3 – Other characteristics . 9
Table 4 – Conformance tests (lot by lot) . 9
Table B.1 – Test schedule for quality conformance inspection . 12
Table B.2 – Test schedule for quality conformance inspection – periodical tests . 13

IEC 60938-2-1:2023 © IEC 2023 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIXED INDUCTORS FOR ELECTROMAGNETIC
INTERFERENCE SUPPRESSION –
Part 2-1: Blank detail specification –
Inductors for which safety tests are required

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of 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, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). 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. 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 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 IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
may be required to implement this document. However, implementers are cautioned that this may not represent
the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
IEC 60938-2-1 has been prepared by IEC technical committee 40: Capacitors and resistors for
electronic equipment. It is an International Standard.
This second edition cancels and replaces the first edition published in 1999. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) it combines IEC 60938-2-1:1999 and IEC 60938-2-2:1999 into one Blank detail specification
(BDS);
b) test schedule for quality conformance inspection is moved to an informative annex
(Annex B).
– 4 – IEC 60938-2-1:2023 © IEC 2023
The text of this International Standard is based on the following documents:
Draft Report on voting
40/3084/FDIS 40/3103/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts in the IEC 60938 series, published under the general title Fixed inductors for
electromagnetic interference suppression, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
IEC 60938-2-1:2023 © IEC 2023 – 5 –
INTRODUCTION
Blank detail specification
A blank detail specification is a supplementary document to the sectional specification and
contains requirements for style, layout and minimum content of detail specifications. Detail
specifications not complying with these requirements shall not be considered as being in
accordance with IEC specifications nor shall they so be described.
In the preparation of detail specifications, the content of 4.3 of the sectional specification shall
be taken into account.
The numbers between square brackets on the first page of the detail specification correspond
to the following information which shall be inserted in the position indicated.
Identification of the detail specification
[1] The "International Electrotechnical Commission" or the National
...