IEC 60384-21:2019
(Main)Fixed capacitors for use in electronic equipment - Part 21: Sectional specification - Fixed surface mount multilayer capacitors of ceramic dielectric, Class 1
Fixed capacitors for use in electronic equipment - Part 21: Sectional specification - Fixed surface mount multilayer capacitors of ceramic dielectric, Class 1
IEC 60384-21:2019 is applicable to fixed unencapsulated surface mount multilayer capacitors of ceramic dielectric, Class 1, for use in electronic equipment. These capacitors have metallized connecting pads or soldering strips and are intended to be mounted on printed boards, or directly onto substrates for hybrid circuits. Capacitors for electromagnetic interference suppression are not included, but are covered by IEC 60384-14. The object of this document is to prescribe preferred ratings and characteristics and to select from IEC 60384-1 the appropriate quality assessment procedures, tests and measuring methods and to give general performance requirements for this type of capacitor. Test severities and requirements prescribed in detail specifications referring to this sectional specification are of equal or higher performance levels; lower performance levels are not permitted. This edition includes the following significant technical changes with respect to the previous edition: - revision of the structure in accordance with ISO/IEC Directives, Part 2:2016 to the extent practicable, and for harmonizing with IEC 60384-22;
- deletion of the description on the permissible reactive power in 6.2.2 because it is not appropriate for the purposes of this document;
- the dimensions of 0201M in Annex A have been added.
Condensateurs fixes utilisés dans les équipements électroniques - Partie 21: Spécification intermédiaire – Condensateurs multicouches fixes à diélectriques en céramique pour montage en surface, de Classe 1
L'IEC 60384-21:2019 est applicable aux condensateurs multicouches fixes à diélectriques en céramique pour montage en surface non encapsulés, Classe 1, utilisés dans les équipements électroniques. Ces condensateurs possèdent des pastilles de connexion métallisées ou des bandes de brasure et sont destinés à être montés sur des cartes imprimées ou directement sur des substrats de circuits hybrides. Les condensateurs d'antiparasitage ne sont pas inclus, mais ils sont couverts par l'IEC 60384-14. L'objet du présent document est de prescrire des caractéristiques et des valeurs assignées préférentielles et de sélectionner à partir de l'IEC 60384-1 les procédures d'assurance de la qualité, les essais et les méthodes de mesure appropriées et de donner les exigences de performance générales pour ce type de condensateur. Les exigences et les sévérités des essais prescrits dans les spécifications particulières se référant à la présente spécification intermédiaire sont d'un niveau de performance supérieur ou égal, des niveaux de performance inférieurs ne sont pas admis. La présente édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: - révision de la structure conformément aux directives ISO/IEC, Partie 2:2016, dans la mesure du possible, et pour l'harmonisation avec l'IEC 60384-22;
- suppression de la description de la puissance réactive admissible en 6.2.2, parce qu'elle n'est pas adaptée aux besoins du présent document;
- les dimensions de 0201M à l'Annexe A ont été ajoutées.
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IEC 60384-21 ®
Edition 3.0 2019-01
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Fixed capacitors for use in electronic equipment –
Part 21: Sectional specification – Fixed surface mount multilayer capacitors
of ceramic dielectric, Class 1
All rights reserved. Unless otherwise specified, 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
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
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IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
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IEC 60384-21 ®
Edition 3.0 2019-01
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Fixed capacitors for use in electronic equipment –
Part 21: Sectional specification – Fixed surface mount multilayer capacitors
of ceramic dielectric, Class 1
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 31.060.10 ISBN 978-2-8322-6514-7
– 2 – IEC 60384-21:2019 RLV © IEC 2019
CONTENTS
FOREWORD . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 Information to be given in a detail specification . 10
4.1 General . 10
4.2 Outline drawing and dimensions . 10
4.3 Mounting . 10
4.4 Rating and characteristics . 10
4.4.1 General . 10
4.4.2 Nominal capacitance range . 10
4.4.3 Particular characteristics . 11
4.4.4 Soldering . 11
4.5 Marking . 11
5 Marking . 11
5.1 General . 11
5.2 Information for marking . 11
5.3 Marking on the body . 11
5.4 Requirements for marking . 11
5.5 Marking of the packaging . 11
5.6 Additional marking . 11
6 Preferred ratings and characteristics . 12
6.1 Preferred characteristics . 12
6.2 Preferred values of ratings . 12
6.2.1 Rated temperature (T ) . 12
R
6.2.2 Rated voltage (U ) . 12
R
6.2.3 Category voltage (U ) . 12
C
6.2.4 Preferred values of nominal capacitance and associated tolerance
values . 12
6.2.5 Temperature coefficient (α) . 13
6.2.6 Dimensions . 15
7 Quality assessment procedures . 16
7.1 Primary stage of manufacture . 16
7.2 Structurally similar components . 16
7.3 Certified records of released lots . 16
7.4 Qualification approval . 16
7.4.1 General . 16
7.4.2 Qualification approval on the basis of the fixed sample size procedures . 16
7.4.3 Tests . 17
7.5 Quality conformance inspection . 22
7.5.1 Formation of inspection lots . 22
7.5.2 Test schedule . 22
7.5.3 Delayed delivery . 22
7.5.4 Assessment levels . 22
8 Test and measurement procedures . 23
8.1 General . 23
8.2 Preliminary drying . 23
8.3 Measuring conditions . 24
8.4 Mounting . 24
8.5 Visual examination and check of dimensions . 24
8.5.1 General . 24
8.5.2 Visual examination . 24
8.5.3 Requirements . 24
8.6 Electrical tests . 26
8.6.1 Capacitance . 26
8.6.2 Tangent of loss angle (tan δ) . 26
8.6.3 Insulation resistance . 27
8.6.4 Voltage proof . 27
8.7 Temperature coefficient (α) and temperature cycle drift . 28
8.7.1 General . 28
8.7.2 Preliminary drying . 28
8.7.3 Measuring conditions . 28
8.7.4 Requirements . 28
8.8 Shear test . 29
8.9 Substrate bending test . 29
8.9.1 General . 29
8.9.2 Initial measurement . 29
8.9.3 Final inspection . 29
8.10 Resistance to soldering heat . 29
8.10.1 General . 29
8.10.2 Initial measurement . 29
8.10.3 Test conditions . 29
8.10.4 Recovery . 31
8.10.5 Final inspection, measurements and requirements. 31
8.11 Solderability . 31
8.11.1 General . 31
8.11.2 Test conditions . 32
8.11.3 Recovery . 32
8.11.4 Final inspection, measurements and requirements. 32
8.12 Rapid change of temperature . 33
8.12.1 General . 33
8.12.2 Initial measurement . 33
8.12.3 Number of cycles . 33
8.12.4 Recovery . 33
8.12.5 Final inspection, measurements and requirements. 33
8.13 Climatic sequence. 33
8.13.1 General . 33
8.13.2 Initial measurement . 33
8.13.3 Dry heat . 33
8.13.4 Damp heat, cyclic, Test Db, first cycle . 33
8.13.5 Cold. 34
8.13.6 Damp heat, cyclic, Test Db, remaining cycles . 34
8.13.7 Final inspection, measurements and requirements. 34
8.14 Damp h
...
IEC 60384-21 ®
Edition 3.0 2019-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fixed capacitors for use in electronic equipment –
Part 21: Sectional specification – Fixed surface mount multilayer capacitors
of ceramic dielectric, Class 1
Condensateurs fixes utilisés dans les équipements électroniques –
Partie 21: Spécification intermédiaire – Condensateurs multicouches fixes à
diélectriques en céramique pour montage en surface, de Classe 1
All rights reserved. Unless otherwise specified, 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
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie
et les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des
questions sur le copyright de l'IEC ou si vous désirez obtenir des droits supplémentaires sur cette publication, utilisez
les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
IEC publications search - webstore.iec.ch/advsearchform Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and
once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.
need further assistance, please contact the Customer Service
Centre: sales@iec.ch.
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IEC 60384-21 ®
Edition 3.0 2019-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fixed capacitors for use in electronic equipment –
Part 21: Sectional specification – Fixed surface mount multilayer capacitors
of ceramic dielectric, Class 1
Condensateurs fixes utilisés dans les équipements électroniques –
Partie 21: Spécification intermédiaire – Condensateurs multicouches fixes à
diélectriques en céramique pour montage en surface, de Classe 1
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.060.10 ISBN 978-2-8322-6389-1
– 2 – IEC 60384-21:2019 © IEC 2019
CONTENTS
FOREWORD . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 Information to be given in a detail specification . 9
4.1 General . 9
4.2 Outline drawing and dimensions . 10
4.3 Mounting . 10
4.4 Rating and characteristics . 10
4.4.1 General . 10
4.4.2 Nominal capacitance range . 10
4.4.3 Particular characteristics . 10
4.4.4 Soldering . 10
4.5 Marking . 11
5 Marking . 11
5.1 General . 11
5.2 Information for marking . 11
5.3 Marking on the body . 11
5.4 Requirements for marking . 11
5.5 Marking of the packaging . 11
5.6 Additional marking . 11
6 Preferred ratings and characteristics . 11
6.1 Preferred characteristics . 11
6.2 Preferred values of ratings . 12
6.2.1 Rated temperature (T ) . 12
R
6.2.2 Rated voltage (U ) . 12
R
6.2.3 Category voltage (U ) . 12
C
6.2.4 Preferred values of nominal capacitance and associated tolerance
values . 12
6.2.5 Temperature coefficient (α) . 13
6.2.6 Dimensions . 14
7 Quality assessment procedures . 15
7.1 Primary stage of manufacture . 15
7.2 Structurally similar components . 15
7.3 Certified records of released lots . 15
7.4 Qualification approval . 15
7.4.1 General . 15
7.4.2 Qualification approval on the basis of the fixed sample size procedures . 15
7.4.3 Tests . 16
7.5 Quality conformance inspection . 21
7.5.1 Formation of inspection lots . 21
7.5.2 Test schedule . 21
7.5.3 Delayed delivery . 21
7.5.4 Assessment levels . 21
8 Test and measurement procedures . 22
8.1 General . 22
8.2 Preliminary drying . 22
8.3 Measuring conditions . 23
8.4 Mounting . 23
8.5 Visual examination and check of dimensions . 23
8.5.1 General . 23
8.5.2 Visual examination . 23
8.5.3 Requirements . 23
8.6 Electrical tests . 25
8.6.1 Capacitance . 25
8.6.2 Tangent of loss angle (tan δ) . 25
8.6.3 Insulation resistance . 26
8.6.4 Voltage proof . 26
8.7 Temperature coefficient (α) and temperature cycle drift . 27
8.7.1 General . 27
8.7.2 Preliminary drying . 27
8.7.3 Measuring conditions . 27
8.7.4 Requirements . 27
8.8 Shear test . 28
8.9 Substrate bending test . 28
8.9.1 General . 28
8.9.2 Initial measurement . 28
8.9.3 Final inspection . 28
8.10 Resistance to soldering heat . 28
8.10.1 Genera
...
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