IEC 60384-25:2021
(Main)Fixed capacitors for use in electronic equipment - Part 25: Sectional specification - Fixed aluminium electrolytic surface mount capacitors with conductive polymer solid electrolyte
Fixed capacitors for use in electronic equipment - Part 25: Sectional specification - Fixed aluminium electrolytic surface mount capacitors with conductive polymer solid electrolyte
IEC 60384-25:2021 applies to fixed aluminium electrolytic surface mount capacitors with conductive polymer solid electrolyte, primarily intended for DC applications for use in electronic equipment. The object of this document is to prescribe preferred ratings and characteristics and to select from IEC 60384-1:2016, the appropriate quality assessment procedures, tests and measuring methods and to give general performance requirements for this type of capacitor. 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 2:2018, to the extent practicable, and harmonization between other similar kinds of documents.
- In addition, Clause 5 and all the tables have been reviewed in order to prevent duplications and contradictions.
The contents of the corrigendum of May 2023 have been included in this copy.
Condensateurs fixes utilises dans les équipements électroniques - Partie 25: Spécification intermédiaire - Condensateurs fixes électrolytiques en aluminium pour montage en surface à électrolyte solide en polymère conducteur
L’IEC 60384-25:2021 s’applique aux condensateurs fixes électrolytiques en aluminium pour montage en surface à électrolyte solide en polymère conducteur principalement destinés à des applications en courant continu pour être utilisés dans des équipements électroniques. Le présent document a pour objet de spécifier les valeurs assignées et caractéristiques préférentielles, de sélectionner, en se référant à l’IEC 60384-1:2016, les procédures d’assurance de la qualité, les essais et les méthodes de mesure appropriés et de donner les exigences de performance générales pour ce type de condensateur. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- révision de la structure fondée sur les Directives ISO/IEC, Partie 2:2018 dans la mesure du possible, et harmonisation avec d’autres types de documents similaires;
- en outre, révision de l’Article 5 et des tableaux pour éviter les redondances et les contradictions.
Le contenu du corrigendum de mai 2023 a été pris en considération dans cet exemplaire.
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IEC 60384-25 ®
Edition 3.0 2021-07
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Fixed capacitors for use in electronic equipment –
Part 25: Sectional specification – Fixed aluminium electrolytic surface mount
capacitors with conductive polymer solid electrolyte
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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3, rue de Varembé info@iec.ch
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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.
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IEC 60384-25 ®
Edition 3.0 2021-07
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Fixed capacitors for use in electronic equipment –
Part 25: Sectional specification – Fixed aluminium electrolytic surface mount
capacitors with conductive polymer solid electrolyte
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 31.060.40; 31.060.50 ISBN 978-2-8322-4177-6
– 2 – IEC 60384-25:2021 RLV © IEC 2021
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Preferred ratings and characteristics . 8
4.1 Preferred characteristics . 8
4.2 Preferred values of ratings . 8
4.2.1 Nominal capacitance (C ) . 8
N
4.2.2 Tolerance on nominal capacitance . 8
4.2.3 Rated voltage (U ) . 9
R
4.2.4 Category voltage (U ) . 9
C
4.2.5 Surge voltage (U ) . 9
RS
4.2.6 Rated temperature . 9
5 Test and measurement procedures . 9
5.1 General . 9
5.2 Preliminary drying . 9
5.3 Measuring conditions . 9
5.4 Mounting . 9
5.4.1 General . 9
5.4.2 Initial inspections . 10
5.4.3 Test conditions . 10
5.4.4 Final inspections and requirements. 10
5.5 Visual examination and check of dimensions . 10
5.5.1 General . 10
5.5.2 Visual examination and check of dimensions . 10
5.5.3 Requirements . 10
5.6 Electrical tests . 10
5.6.1 Leakage current. 10
5.6.2 Capacitance . 11
5.6.3 Tangent of loss angle (tan δ) . 11
5.6.4 Equivalent series resistance (ESR) (if required) . 11
5.6.5 Impedance (if required). 12
5.7 Resistance to soldering heat . 12
5.7.1 General . 12
5.7.2 Initial inspections . 12
5.7.3 Test conditions . 12
5.7.4 Recovery . 12
5.7.5 Final inspections and requirements. 12
5.8 Solderability . 13
5.8.1 General . 13
5.8.2 Final inspections and requirements. 13
5.9 Shear test (if required) . 13
5.10 Substrate bending test (if required) . 13
5.10.1 General . 13
5.10.2 Initial inspections . 13
5.10.3 Test conditions . 13
5.10.4 Final inspections and requirements. 13
5.11 Rapid change of temperature . 13
5.11.1 General . 13
5.11.2 Initial inspections . 13
5.11.3 Test conditions . 13
5.11.4 Recovery . 13
5.11.5 Final inspections and requirements. 14
5.12 Climatic sequence . 14
5.12.1 General . 14
5.12.2 Initial inspections . 14
5.12.3 Dry heat . 14
5.12.4 Damp heat, cyclic, Test Db, first cycle . 14
5.12.5 Cold . 14
5.12.6 Damp heat, cyclic, Test Db, remaining cycles . 14
5.12.7 Recovery . 14
5.12.8 Final inspections and requirements. 14
5.13 Damp heat, steady state . 14
5.13.1 General . 14
5.13.2 Initial inspections . 14
5.13.3 Test conditions . 14
5.13.4 Recovery . 15
5.13.5 Final inspections and requirements. 15
5.14 Characteristics at high and low temperature . 15
5.14.1 General . 15
5.14.2 Inspections and requirements . 15
5.15 Surge voltage . 15
5.15.1 General . 15
5.15.2 Initial inspections . 15
5.15.3 Test conditions . 15
5.15.4 Recovery . 16
5.15.5 Final inspections and requirements. 16
5.16 Endurance . 16
5.16.1 General . 16
5.16.2 Initial inspections . 16
5.16.3 Test conditions . 16
5.16.4 Recovery . 16
5.16.5 Final inspections and requirements. 16
5.17 Storage at high temperature. 16
5.17.1 General . 16
5.17.2 Initial inspections . 16
5.17.3 Test conditions . 17
5.17.4 Recovery . 17
5.17.5 Final inspections and requirements. 17
5.18 Charge and discharge (if required) . 17
5.18.1 General . 17
5.18.2 Initial inspections . 17
5.18.3 Test conditions . 17
5.18.4 Final inspections and requirements. 17
5.19 Component solvent resistance (if required) . 17
--------
...
IEC 60384-25 ®
Edition 3.0 2021-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fixed capacitors for use in electronic equipment –
Part 25: Sectional specification – Fixed aluminium electrolytic surface mount
capacitors with conductive polymer solid electrolyte
Condensateurs fixes utilisés dans les équipements électroniques –
Partie 25: Spécification intermédiaire – Condensateurs fixes électrolytiques
en aluminium pour montage en surface à électrolyte solide en polymère
conducteur
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
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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 IEC online collection - oc.iec.ch
The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the
variety of criteria (reference number, text, technical publications previews. With a subscription you will always
committee, …). It also gives information on projects, replaced have access to up to date content tailored to your needs.
and withdrawn publications.
Electropedia - www.electropedia.org
IEC Just Published - webstore.iec.ch/justpublished
The world's leading online dictionary on electrotechnology,
Stay up to date on all new IEC publications. Just Published
containing more than 22 000 terminological entries in English
details all new publications released. Available online and
and French, with equivalent terms in 18 additional languages.
once a month by email.
Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Customer Service Centre - webstore.iec.ch/csc
If you wish to give us your feedback on this publication or
need further assistance, please contact the Customer Service
Centre: sales@iec.ch.
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IEC 60384-25 ®
Edition 3.0 2021-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fixed capacitors for use in electronic equipment –
Part 25: Sectional specification – Fixed aluminium electrolytic surface mount
capacitors with conductive polymer solid electrolyte
Condensateurs fixes utilisés dans les équipements électroniques –
Partie 25: Spécification intermédiaire – Condensateurs fixes électrolytiques
en aluminium pour montage en surface à électrolyte solide en polymère
conducteur
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.060.40; 31.060.50 ISBN 978-2-8322-9979-1
– 2 – IEC 60384-25:2021 © IEC 2021
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Preferred ratings and characteristics . 8
4.1 Preferred characteristics . 8
4.2 Preferred values of ratings . 8
4.2.1 Nominal capacitance (C ) . 8
N
4.2.2 Tolerance on nominal capacitance . 8
4.2.3 Rated voltage (U ) . 8
R
4.2.4 Category voltage (U ) . 8
C
4.2.5 Surge voltage (U ) . 9
RS
4.2.6 Rated temperature . 9
5 Test and measurement procedures . 9
5.1 General . 9
5.2 Preliminary drying . 9
5.3 Measuring conditions . 9
5.4 Mounting . 9
5.4.1 General . 9
5.4.2 Initial inspections . 9
5.4.3 Test conditions . 9
5.4.4 Final inspections and requirements. 9
5.5 Visual examination and check of dimensions . 9
5.5.1 General . 9
5.5.2 Visual examination and check of dimensions . 10
5.5.3 Requirements . 10
5.6 Electrical tests . 10
5.6.1 Leakage current. 10
5.6.2 Capacitance . 10
5.6.3 Tangent of loss angle (tan δ) . 11
5.6.4 Equivalent series resistance (ESR) (if required) . 11
5.6.5 Impedance (if required). 11
5.7 Resistance to soldering heat . 12
5.7.1 General . 12
5.7.2 Initial inspections . 12
5.7.3 Test conditions . 12
5.7.4 Recovery . 12
5.7.5 Final inspections and requirements. 12
5.8 Solderability . 12
5.8.1 General . 12
5.8.2 Final inspections and requirements. 12
5.9 Shear test (if required) . 12
5.10 Substrate bending test (if required) . 12
5.10.1 General . 12
5.10.2 Initial inspections . 13
5.10.3 Test conditions . 13
5.10.4 Final inspections and requirements. 13
5.11 Rapid change of temperature . 13
5.11.1 General . 13
5.11.2 Initial inspections . 13
5.11.3 Test conditions . 13
5.11.4 Recovery . 13
5.11.5 Final inspections and requirements. 13
5.12 Climatic sequence . 13
5.12.1 General . 13
5.12.2 Initial inspections . 13
5.12.3 Dry heat . 13
5.12.4 Damp heat, cyclic, Test Db, first cycle . 14
5.12.5 Cold . 14
5.12.6 Damp heat, cyclic, Test Db, remaining cycles . 14
5.12.7 Recovery . 14
5.12.8 Final inspections and requirements. 14
5.13 Damp heat, steady state . 14
5.13.1 General . 14
5.13.2 Initial inspections . 14
5.13.3 Test conditions . 14
5.13.4 Recovery . 14
5.13.5 Final inspections and requirements. 14
5.14 Characteristics at high and low temperature . 14
5.14.1 General .
...
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