SIST EN 60384-25:2007

Fixed capacitors for use in electronic equipment -- Part 25: Sectional specification - Surface mount fixed aluminium electrolytic capacitors with conductive polymer solid electrolyte

This part of IEC 60384 is applicable to aluminium electrolytic capacitors with conductive polymer solid electrolyte. These capacitors are primarily intended to be mounted direct on substrates for hybrid circuits or to printed boards. Fixed aluminium electrolytic chip capacitors with solid (MnO2) are not included but are covered by IEC 60384-18.

Festkondensatoren zur Verwendung in Geräten der Elektronik -- Teil 25: Rahmenspezifikation - Oberflächenmontierbare Aluminium-Elektrolyt-Kondensatoren mit leitfähigem Polymerfestkörper-Elektrolyten

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

Nespremenljivi kondenzatorji za elektronsko opremo - 25. del: Področna specifikacija - Nespremenljivi aluminijevi elektrolitski kondenzatorji s prevodnim polimernim trdim elektrolitom za površinsko montažo (IEC 60384-25:2006)

General Information

• Status: Withdrawn
• Publication Date: 31-Dec-2006
• Withdrawal Date: 16-Sep-2018
• ICS: 31.060.50 - Aluminium electrolytic capacitors
• Technical Committee: I11 - Imaginarni 11
• Current Stage: 9900 - Withdrawal (Adopted Project)
• Start Date: 13-Sep-2018
• Due Date: 06-Oct-2018
• Completion Date: 17-Sep-2018
• Ref Project: EN 60384-25:2006 - Fixed capacitors for use in electronic equipment - Part 25: Sectional specification - Surface mount fixed aluminium electrolytic capacitors with conductive polymer solid electrolyte

Relations

• Replaced By: SIST EN 60384-25:2015 - Fixed capacitors for use in electronic equipment - Part 25: Sectional specification - Surface mount fixed aluminium electrolytic capacitors with conductive polymer solid electrolyte
• Effective Date: 01-Dec-2015
• Replaced By: SIST EN 60384-25:2015 - Fixed capacitors for use in electronic equipment - Part 25: Sectional specification - Surface mount fixed aluminium electrolytic capacitors with conductive polymer solid electrolyte
• Effective Date: 28-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 60384-25:2007
01-januar-2007
1HVSUHPHQOMLYLNRQGHQ]DWRUML]DHOHNWURQVNRRSUHPRGHO3RGURþQD
VSHFLILNDFLMD1HVSUHPHQOMLYLDOXPLQLMHYLHOHNWUROLWVNLNRQGHQ]DWRUMLVSUHYRGQLP
SROLPHUQLPWUGLPHOHNWUROLWRP]DSRYUãLQVNRPRQWDåR,(&
Fixed capacitors for use in electronic equipment -- Part 25: Sectional specification -
Surface mount fixed aluminium electrolytic capacitors with conductive polymer solid
electrolyte
Festkondensatoren zur Verwendung in Geräten der Elektronik -- Teil 25:
Rahmenspezifikation - Oberflächenmontierbare Aluminium-Elektrolyt-Kondensatoren mit
leitfähigem Polymerfestkörper-Elektrolyten
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
Ta slovenski standard je istoveten z: EN 60384-25:2006
ICS:
31.060.50 Aluminijski elektrolitni Aluminium electrolytic
kondenzatorji capacitors
SIST EN 60384-25:2007 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60384-25:2007

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SIST EN 60384-25:2007


EUROPEAN STANDARD
EN 60384-25

NORME EUROPÉENNE
August 2006
EUROPÄISCHE NORM

ICS 31.060.40; 31.060.50


English version


Fixed capacitors for use in electronic equipment
Part 25: Sectional specification –
Surface mount fixed aluminium electrolytic capacitors
with conductive polymer solid electrolyte
(IEC 60384-25:2006)


Condensateurs fixes utilisés dans  Festkondensatoren zur Verwendung
les équipements électroniques in Geräten der Elektronik
Partie 25: Spécification intermédiaire – Teil 25: Rahmenspezifikation –
Condensateurs fixes électrolytiques Oberflächenmontierbare
Aluminium-Elektrolyt-Kondensatoren
en aluminium pour montage en surface
à électrolyte solide en polymère mit leitfähigem Polymerfestkörper-
conducteur Elektrolyten
(CEI 60384-25:2006) (IEC 60384-25:2006)




This European Standard was approved by CENELEC on 2006-07-01. 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, 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.

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


© 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60384-25:2006 E

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SIST EN 60384-25:2007
EN 60384-25:2006 - 2 -
Foreword
The text of document 40/1733/FDIS, future edition 1 of IEC 60384-25, prepared by IEC TC 40, Capacitors
and resistors for electronic equipment, was submitted to the IEC-CENELEC parallel vote and was
approved by CENELEC as EN 60384-25 on 2006-07-01.
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) 2007-04-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-07-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60384-25:2006 was approved by CENELEC as a European
Standard without any modification.
__________

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SIST EN 60384-25:2007
- 3 - EN 60384-25:2006
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application 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  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 60063 1963 Preferred number series for resistors and - -
A1 1967 capacitors - -
A2 1977 - -


1) 2)
IEC 60068-1 - Environmental testing EN 60068-1 1994
Part 1: General and guidance


IEC 60068-2-58 2004 Environmental testing EN 60068-2-58 2004
Part 2-58: Tests - Test Td: Test methods for + corr. December 2004
solderability, resistance to dissolution of
metallization and to soldering heat of surface
mounting devices (SMD)


IEC 60384-1 (mod) 1999 Fixed capacitors for use in electronic EN 60384-1 2001
equipment + corr. October 2001
Part 1: Generic specification


1)
IEC 60410 - Sampling plans and procedures for inspection - -
by attributes


3)
IEC 62378 - Capacitors and resistors - Conformity - -
assessment procedures - Generic standard


ISO 3 1973 Preferred numbers - Series of preferred - -
numbers



1)
Undated reference.
2)
Valid edition at date of issue.
3)
Deleted from IEC work programme.

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SIST EN 60384-25:2007

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SIST EN 60384-25:2007


INTERNATIONAL IEC


STANDARD 60384-25





First edition
2006-06


Fixed capacitors for use in electronic equipment –
Part 25:
Sectional specification –
Surface mount fixed aluminium electrolytic
capacitors with conductive polymer solid
electrolyte
 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: [phone] Telefax: [phone] E-mail: [e-mail] Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale U
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
For price, see current catalogue

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SIST EN 60384-25:2007
– 2 – 60384-25  IEC:2006(E)
CONTENTS
FOREWORD.3

1 General .6
1.1 Scope.6
1.2 Object .6
1.3 Normative references .6
1.4 Information to be given in a detail specification .7
1.5 Terms and definitions .8
1.6 Marking .8
2 Preferred rating and characteristics .8
2.1 Preferred characteristics .8
2.2 Preferred values of ratings .9
3 Quality assessment procedures.9
3.1 Primary stage of manufacture.9
3.2 Structurally similar components.9
3.3 Declaration of conformity (basic requirements) .10
3.4 Test schedule and requirement for initial assessment (mandatory and
optional tests) .10
3.5 Quality conformance inspection.19
4 Test and measurement procedures.21
4.1 Preliminary drying .21
4.2 Measuring conditions .21
4.3 Mounting .21
4.4 Visual examination and check of dimensions.21
4.5 Electrical tests.21
4.6 Resistance to soldering heat .23
4.7 Solderability .24
4.8 Shear test .24
4.9 Substrate bending test .24
4.10 Rapid change of temperature .24
4.11 Climatic sequence .25
4.12 Damp heat, steady state.25
4.13 Characteristics at high and low temperature .26
4.14 Surge .26
4.15 Endurance.26
4.16 Storage at high temperature .27
4.17 Charge and discharge (if required by the detail specification).27
4.18 Component solvent resistance (if applicable).28
4.19 Solvent resistance of the marking (if applicable).28
4.20 High surge current (if applicable).28

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SIST EN 60384-25:2007
60384-25  IEC:2006(E) – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT –

Part 25: Sectional specification – Surface mount fixed aluminium
electrolytic capacitors with conductive polymer solid electrolyte


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 provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment
declared to be in conformity with an IEC Publication.
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) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60384-25 has been prepared by IEC technical committee 40:
Capacitors and resistors for electronic equipment.
The text of this standard is based on the following documents:
FDIS Report on voting
40/1733/FDIS 40/1756/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.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

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SIST EN 60384-25:2007
– 4 – 60384-25  IEC:2006(E)
IEC 60384 consists of the following parts, under the general title Fixed capacitors for use in
electronic equipment:
Part 1: Generic specification
Part 2: Sectional specification: Fixed metallized polyethylene-terephthalate film dielectric
d.c. capacitors
Part 3: Sectional specification: Fixed tantalum chip capacitors
Part 4: Sectional specification: Aluminium electrolytic capacitors with solid and non-solid
electrolyte
Part 5: Sectional specification: Fixed mica delectric d.c. capacitors with a rated voltage not
exceeding 3 000 V – Selection of methods of test and general requirements
Part 6: Sectional specification: Fixed metallized polycarbonate film dielectric d.c.
capacitors
Part 7: Sectional specification: Fixed polystyrene film dielectric metal foil d.c. capacitors
Part 8: Sectional specification: Fixed capacitors of ceramic dielectric, Class 1
Part 9: Sectional specification: Fixed capacitors of ceramic dielectric, Class 2
Part 11: Sectional specification: Fixed polyethylene-terephthalate film dielectric metal foil
d.c. capacitors
Part 12: Sectional specification: Fixed polycarbonate film dielectric metal foil d.c. capacitors
Part 13: Sectional specification: Fixed polypropylene film dielectric metal foil d.c. capacitors
Part 14: Sectional specification: Fixed capacitors for electromagnetic interference
suppression and connection to the supply mains
Part 15: Sectional specification: Fixed tantalum capacitors with non-solid or solid electrolyte
Part 16: Sectional specification: Fixed metallized polypropylene film dielectric d.c.
capacitors
Part 17: Sectional specification: Fixed metallized polypropylene film dielectric a.c. and pulse
capacitors
Part 18: Sectional specification: Fixed aluminium electrolytic chip capacitors with solid and
non-solid electrolyte
Part 19: Sectional specification: Fixed metallized polyethylene-terephthalate film dielectric
chip d.c. capacitors
Part 20: Sectional specification: Fixed metallized polyphenylene sulphide film dielectric chip
d.c. capacitors
Part 21: Sectional specification: Fixed surface mount multilayer capacitors of ceramic
dielectric, Class 1
Part 22: Sectional specification: Fixed surface mount multilayer capacitors of ceramic
dielectric, Class 2
Part 23: Sectional specification: Fixed surface mount metallized polyethylene naphthalate
film dielectric d.c. capacitors
Part 24: Sectional specification: Surface mount fixed tantalum electrolytic capacitors with
conductive polymer solid electrolyte
Part 25: Sectional specification: Surface mount fixed aluminium electrolyte capacitors with
conductive polymer solid electrolyte
All sectional specifications mentioned above do have one or more blank detail specifications
being a supplementary document, containing requirements for style, layout and minimum
content of detail specifications.

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SIST EN 60384-25:2007
60384-25 © IEC:2006(E) – 5 –
The committee has decided that the contents of this publication will remain unchanged until the
maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.
The contents of the corrigendum of October 2006 have been included in this copy.

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SIST EN 60384-25:2007
– 6 – 60384-25 © IEC:2006(E)
FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT –

Part 25: Sectional specification – Surface mount fixed aluminium
electrolytic capacitors with conductive polymer solid electrolyte



1 General
1.1 Scope
This part of IEC 60384 is applicable to aluminium electrolytic capacitors with conductive polymer
solid electrolyte. These capacitors are primarily intended to be mounted direct on substrates for
hybrid circuits or to printed boards.
Fixed aluminium electrolytic chip capacitors with solid (MnO ) are not included but are covered
2
by IEC 60384-18.
1.2 Object
The object of this standard is to prescribe preferred ratings and characteristics and to select
from IEC 60384-1:1999, 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 shall
be of equal or higher performance level; lower performance levels are not permitted.
1.3 Normative references
The following referenced documents are indispensable for the application 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.
IEC 60063:1963, Preferred number series for resistors and capacitors
Amendment 1 (1967)
Amendment 2 (1977)
IEC 60068-1: Environmental testing – Part 1: General and guidance
IEC 60068-2-58:2004, Environmental testing – Part 2-58: Tests – Test Td: Test methods for
solderability, resistance to dissolution of metallization and to soldering heat of surface mounting
devices (SMD)
IEC 60384-1:1999, Fixed capacitors for use in electronic equipment – Part 1: Generic
specification
IEC 60410: Sampling plans and procedures for inspection by attributes
ISO 3:1973, Preferred numbers – Series of preferred numbers

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SIST EN 60384-25:2007
60384-25  IEC:2006(E) – 7 –
1.4 Information to be given in a detail specification
Detail specifications shall be derived from the relevant blank detail specification.
Detail specifications shall not specify requirements inferior to those of the generic, sectional or
blank detail specification. When more severe requirements are included, they shall be listed in
1.9 of the detail specification and indicated in the test schedules, for example, by an asterisk.
NOTE The information given in 1.4.1 may, for convenience, be presented in tabular form.
The following information shall be given in each detail specification and the values quoted shall
preferably be selected from those given in the appropriate clause of this sectional specification.
1.4.1 Outline drawing and dimensions
There shall be an illustration of the surface mount capacitors as an aid to easy recognition and
for comparison of the surface mount capacitors with others. Dimensions and their associated
tolerances, which affect interchangeability and mounting, shall be given in the detail
specification. All dimensions shall preferably be stated in millimetres; however, when the
original dimensions are given in inches, the converted metric dimensions in millimetres shall be
added.
Normally, the numerical values shall be given for the length, width and height of the body. When
necessary, for example, when a number of case sizes are covered by a detail specification, the
dimensions and their associated tolerances shall be placed in a table below the drawing.
When the configuration is other than described above, the detail specification shall state such
dimensional information as will adequately describe the surface mount capacitors.
1.4.2 Mounting
The detail specification shall give guidance on methods of mounting for normal use. Mounting
for test and measurement purposes (when required) shall be in accordance with 4.3 of this
sectional specification.
1.4.3 Rating and characteristics
The ratings and characteristics shall be in accordance with the relevant clauses of this
specification, together with the following.
1.4.3.1 Rated capacitance range
See 2.2.1.
1.4.3.2 Particular characteristics
Additional characteristics may be listed, when they are considered necessary to specify
adequately the component for design and application purposes.
1.4.3.3 Soldering
The detail specification shall prescribe the test methods, severities and requirements applicable
for the solderability and the resistance to soldering heat tests.
1.4.4 Marking
The detail specification shall specify the content of the marking on the capacitor and on the
package. Deviations from 1.6 of this sectional specification shall be specifically stated.

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SIST EN 60384-25:2007
– 8 – 60384-25  IEC:2006(E)
1.5 Terms and definitions
For the purposes of this document, the terms and definitions of IEC 60384-1, as well as the
following, apply.
1.5.1
surface mount capacitor
capacitor whose small dimensions and nature or shape of terminations make it suitable for
surface mounting
1.6 Marking
See 2.4 of IEC 60384-1 with the following details:
1.6.1 The information given in the marking is normally selected from the following list; the
relative importance of each item is indicated by its position in the list:
a) polarity of the terminations (unless identified by the construction);
b) rated capacitance;
c) rated voltage (d.c. voltage may be indicated by the symbol       or     );
d) tolerance on rated capacitance;
e) year and month (or week) of manufacture;
f) manufacturer’s name or trade mark;
g) climatic category;
h) manufacturer’s type designation;
i) reference to the detail specification.
1.6.2 Surface mount capacitors are generally not marked on the body. If some marking can be
applied, they shall be clearly marked with as many as possible of the above items as is
considered useful. Any duplication of information in the marking on the capacitor should be
avoided.
1.6.3 Any marking shall be legible and not easily smeared or removed by rubbing with the
finger.
1.6.4 The package containing the capacitor(s) shall be clearly marked with all the information
listed in 1.6.1, except polarity, unless this is applicable to the method of packaging.
1.6.5 Any additional marking shall be so applied that no confusion can arise.
2 Preferred rating and characteristics
2.1 Preferred characteristics
The values given in the detail specification shall preferably be selected from the following:
2.1.1 Preferred climatic categories
The surface mount capacitors covered by this specification are classified into climatic categories
according to the general rules given in IEC 60068-1.

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SIST EN 60384-25:2007
60384-25  IEC:2006(E) – 9 –
The lower and upper category temperatures and the duration of the damp-heat, steady-state test
shall be chosen from the following:
Lower category temperature: –55 °C
Upper category temperature: +105 °C and 125 °C
Duration of the damp heat, steady state test: 21 days
The severities for the cold and dry heat tests are the lower and upper category temperatures
respectively.
2.2 Preferred values of ratings
2.2.1 Rated capacitance (C )
R
The rated capacitance shall be expressed in microfarads (µF).
Preferred values of rated capacitance are the values from the E6 and E12 series of IEC 60063
n
and their decimal multiples (10 , n: integer).
2.2.2 Tolerance on rated capacitance
Preferred values of tolerance on rated capacitance are: ±10 % and ±20 %.
2.2.3 Rated voltage (U )
R
The preferred values of the rated voltage are the values of the R10 series of ISO 3:
n
1,0 - 1,25 - 1,6 - 2,0 - 2,5 - 3,15 - 4,0 - 5,0 - 6,3 - 8,0 and their decimal multiples (× 10 , n:
integer).
2.2.4 Surge voltage
The surge voltage shall be 1,15 times the rated voltage rounded off to the nearest volt (see
Table 1).
Table 1 – Surge voltage
Rated voltage  2,0 2,5 4,0 5,0 6,3 8,0 10 12,5 16 20 25
V
Surge voltage  2,3 2,9 4,6 5,8 7,2 9,2 12 14 18 23 29
V

2.2.5 Rated temperature
The value of the rated temperature is +105 °C and +125 °C.
3 Quality assessment procedures
3.1 Primary stage of manufacture
The primary stage of manufacture is the capacitor manufacturer's evaluation of the formed anode foil.
3.2 Structurally similar components
Capacitors considered as being structurally similar are capacitors produced with similar
processes and materials, though they may be of different case sizes and values.

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SIST EN 60384-25:2007
– 10 – 60384-25 © IEC:2006(E)
3.3 Declaration of conformity (basic requirements)
3.4 Test schedule and requirement for initial assessment (mandatory and optional
tests)
The procedures for qualification approval testing are given in IEC 60384-1, 3.5.
The schedule to be used for qualification approval testing on the basis of lot-by-lot and periodic
tests is given in 3.5 of this specification. The procedure using a fixed sample size schedule is
given in 3.4.1 and 3.4.2 below.
3.4.1 Qualification approval on the basis of the fixed sample size procedures
The sample shall be representative of the range of capacitors for which approval is sought. This
may or may not be the complete range covered by the detail specification.
For each temperature characteristic, the sample shall consist of specimens of capacitors of
maximum and minimum size and, for each of these sizes, the maximum capacitance value for
the highest rated voltage and minimum rated voltage of the voltage ranges for which approval is
sought. When there are more than four rated voltages an intermediate voltage shall also be
tested. Thus, for the approval of a range, testing is required of either four or six values
(capacitance/voltage combinations) for each temperature characteristic. Where the total range
consists of less than four values the number of specimens to be tested shall be that required for
four values.
In the case where assessment level EZ is used, spare specimens are permitted as follows.
Two (for si
...