Fixed capacitors for use in electronic equipment - Part 13: Sectional specification - Fixed polypropylene film dielectric metal foil d.c. capacitors

Will supersede EN 60384-13:2006 + corr. Nov.2006

Festkondensatoren zur Verwendung in Geräten der Elektronik - Teil 13: Rahmenspezifikation - Festkondensatoren mit einem Dielektrikum aus Polypropylen und Belägen aus Metallfolien für Gleichspannung

Condensateurs fixes utilisés dans les équipements électroniques - Partie 13: Spécification intermédiaire: Condensateurs fixes pour courant continu à diélectrique en film de polypropylène à armatures en feuilles métalliques

La CEI 60384-13:2011 s'applique aux condensateurs fixes pour courant continu, utilisant comme diélectrique un film de polypropylène avec des électrodes de feuilles métalliques minces. Les condensateurs couverts par la présente norme sont destinés à être utilisés dans des équipements électroniques. Les condensateurs d'antiparasitage ne sont pas inclus, mais ils sont couverts par la CEI 60384-14. Cette quatrième édition annule et remplace la troisième édition parue en 2006 et inclut les modifications techniques significatives suivantes par rapport à l'édition précédente: - Le Tableau 3, Plan d'échantillonnage avec nombre de non-conformités admissibles pour l'essai d'homologation, a été corrigé. - Le Tableau 5, Contrôle lot par lot, a été modifié, mise en évidence du niveau d'assurance EZ uniquement. - Le Tableau 6, Contrôle périodique, a été modifié, mise en évidence du niveau d'assurance EZ uniquement.

Fiksni kondenzatorji za elektronsko opremo - 13. del: Področna specifikacija - Nespremenljivi kondenzatorji za enosmerni tok s kovinsko folijo in polipropilenskim dielektrikom

Ta del standarda IEC 60384 se uporablja za fiksne kondenzatorje za enosmerne napetosti, ki kot dielektrik uporabljajo polipropilenski film z elektrodami iz tankih kovinskih folij. Kondenzatorji, zajeti v tem standardu, so namenjeni uporabi v elektronski opremi. Kondenzatorji za preprečevanje elektromagnetnih motenj niso vključeni, vendar so zajeti v standardu IEC 60384-14.

General Information

Status
Published
Publication Date
22-Apr-2012
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
11-Apr-2012
Due Date
16-Jun-2012
Completion Date
23-Apr-2012

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Standards Content (sample)

SLOVENSKI STANDARD
SIST EN 60384-13:2012
01-junij-2012
1DGRPHãþD
SIST EN 60384-13:2006
)LNVQLNRQGHQ]DWRUML]DHOHNWURQVNRRSUHPRGHO3RGURþQDVSHFLILNDFLMD
1HVSUHPHQOMLYLNRQGHQ]DWRUML]DHQRVPHUQLWRNVNRYLQVNRIROLMRLQ
SROLSURSLOHQVNLPGLHOHNWULNRP

Fixed capacitors for use in electronic equipment - Part 13: Sectional specification - Fixed

polypropylene film dielectric metal foil d.c. capacitors
Festkondensatoren zur Verwendung in Geräten der Elektronik - Teil 13:

Rahmenspezifikation - Festkondensatoren mit einem Dielektrikum aus Polypropylen und

Belägen aus Metallfolien für Gleichspannung
Condensateurs fixes utilisés dans les équipements électroniques - Partie 13:

Spécification intermédiaire: Condensateurs fixes pour courant continu à diélectrique en

film de polypropylène à armatures en feuilles métalliques
Ta slovenski standard je istoveten z: EN 60384-13:2012
ICS:
31.060.10 Fiksni kondenzatorji Fixed capacitors
SIST EN 60384-13:2012 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 60384-13:2012
---------------------- Page: 2 ----------------------
SIST EN 60384-13:2012
EUROPEAN STANDARD
EN 60384-13
NORME EUROPÉENNE
March 2012
EUROPÄISCHE NORM
ICS 31.060.30 Supersedes EN 60384-13:2006 + corr. Nov.2006
English version
Fixed capacitors for use in electronic equipment -
Part 13: Sectional specification -
Fixed polypropylene film dielectric metal foil d.c. capacitors
(IEC 60384-13:2011)
Condensateurs fixes utilisés dans les Festkondensatoren zur Verwendung in
équipements électroniques - Geräten der Elektronik -
Partie 13: Spécification intermédiaire - Teil 13: Rahmenspezifikation -
Condensateurs fixes pour courant continu Festkondensatoren mit einem
à diélectrique en film de polypropylène à Dielektrikum aus Polypropylen und
armatures en feuilles métalliques Belägen aus Metallfolien für
(CEI 60384-13:2011) Gleichspannung
(IEC 60384-13:2011)

This European Standard was approved by CENELEC on 2012-01-13. 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, Romania, Slovakia, Slovenia,

Spain, Sweden, Switzerland, Turkey and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60384-13:2012 E
---------------------- Page: 3 ----------------------
SIST EN 60384-13:2012
EN 60384-13:2012 - 2 -
Foreword

The text of document 40/2130/FDIS, future edition 4 of IEC 60384-13, 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 60384-13:2012.
The following dates are fixed:
(dop) 2012-10-13
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2015-01-13
standards conflicting with the
document have to be withdrawn
This document supersedes EN 60384-13:2006 + corr. nov. 2006.

EN 60384-13:2012 includes the following significant technical changes with respect to

EN 60384-13:2006:

– Table 3, Sampling plan together with numbers of permissible non-conformance for qualification

approval test, has been adjusted.

– Table 5, Lot-by-lot inspection, has been changed, highlighting assessment level EZ only.

– Table 6, Periodic inspection, has been changed, highlighting assessment level EZ only.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent

rights.
Endorsement notice

The text of the International Standard IEC 60384-13:2011 was approved by CENELEC as a European

Standard without any modification.
---------------------- Page: 4 ----------------------
SIST EN 60384-13:2012
- 3 - EN 60384-13:2012
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
IEC 60068-1 - Environmental testing - EN 60068-1 -
Part 1: General and guidance
IEC 60384-1 2008 Fixed capacitors for use in electronic EN 60384-1 2009
+ corr. November 2008 equipment -
Part 1: Generic specification
IEC 60384-13-1 - Fixed capacitors for use in electronic EN 60384-13-1 -
equipment -
Part 13-1: Blank detail specification - Fixed
polypropylene film dielectric metal foil d.c.
capacitors - Assessment level E and EZ
IEC 60384-14 - Fixed capacitors for use in electronic EN 60384-14 -
equipment -
Part 14: Sectional specification - Fixed
capacitors for electromagnetic interference
suppression and connection to the supply
mains
IEC 60410 1973 Sampling plans and procedures for inspection - -
by attributes
IEC 61193-2 - Quality assessment systems - EN 61193-2 -
Part 2: Selection and use of sampling plans
for inspection of electronic components and
packages
ISO 3 - Preferred numbers - Series of preferred - -
numbers
---------------------- Page: 5 ----------------------
SIST EN 60384-13:2012
---------------------- Page: 6 ----------------------
SIST EN 60384-13:2012
IEC 60384-13
Edition 4.0 2011-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fixed capacitors for use in electronic equipment –

Part 13: Sectional specification – Fixed polypropylene film dielectric metal foil

d.c. capacitors
Condensateurs fixes utilisés dans les équipements électroniques –
Partie 13: Spécification intermédiaire – Condensateurs fixes pour courant
continu à diélectrique en film de polypropylène à armatures en feuilles
métalliques
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX U
ICS 31.060.30 ISBN 978-2-88912-814-3
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 7 ----------------------
SIST EN 60384-13:2012
– 2 – 60384-13 © IEC:2011
CONTENTS

FOREWORD ........................................................................................................................... 4

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 ratings and characteristics ................................................................................ 9

2.1 Preferred characteristics ......................................................................................... 9

2.2 Preferred values of ratings ...................................................................................... 9

3 Quality assessment procedures ...................................................................................... 10

3.1 Primary stage of manufacture ................................................................................ 10

3.2 Structurally similar components ............................................................................. 11

3.3 Certified records of released lots ........................................................................... 11

3.4 Qualification approval ............................................................................................ 11

3.5 Quality conformance inspection ............................................................................. 17

4 Test and measurement procedures ................................................................................. 19

4.1 Visual examination and check of dimensions ......................................................... 19

4.2 Electrical tests ....................................................................................................... 19

4.3 Robustness of terminations ................................................................................... 22

4.4 Resistance to soldering heat ................................................................................. 22

4.5 Solderability .......................................................................................................... 22

4.6 Rapid change of temperature ................................................................................ 23

4.7 Vibration................................................................................................................ 23

4.8 Bump .................................................................................................................... 23

4.9 Shock .................................................................................................................... 24

4.10 Climatic sequence ................................................................................................. 24

4.11 Damp heat, steady state ........................................................................................ 25

4.12 Endurance ............................................................................................................. 26

4.13 Component solvent resistance ............................................................................... 26

4.14 Solvent resistance of marking ................................................................................ 26

Table 1 – Preferred tolerances ................................................................................................ 9

Table 2 – Preferred values and combinations ....................................................................... 10

Table 3 – Sampling plan together with numbers of permissible non-conformance for

qualification approval test ..................................................................................................... 12

Table 4 – Test schedule for qualification approval................................................................. 13

Table 5 – Lot-by-lot inspection .............................................................................................. 18

Table 6 – Periodic inspection ................................................................................................ 18

Table 7 – Test points and voltages ....................................................................................... 19

Table 8 – Insulation resistance requirements ........................................................................ 21

Table 9 – Correction factors .................................................................................................. 21

---------------------- Page: 8 ----------------------
SIST EN 60384-13:2012
60384-13 © IEC:2011 – 3 –

Table 10 – Preferred severities ............................................................................................. 24

Table 11 – Test conditions .................................................................................................... 26

---------------------- Page: 9 ----------------------
SIST EN 60384-13:2012
– 4 – 60384-13 © IEC:2011
INTERNATIONAL ELECTROTECHNICAL COMMISSION
_____________
FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT –
Part 13: Sectional specification –
Fixed polypropylene film dielectric metal foil d.c. capacitors
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) 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 60384-13 has been prepared by IEC technical committee 40:

Capacitors and resistors for electronic equipment.

This fourth edition cancels and replaces the third edition published in 2006 and contains the

following significant technical changes with respect to the previous edition.

– Table 3, Sampling plan together with numbers of permissible non-conformance for

qualification approval test, has been adjusted.

– Table 5, Lot-by-lot inspection, has been changed, highlighting assessment level EZ only.

– Table 6, Periodic inspection, has been changed, highlighting assessment level EZ only.

---------------------- Page: 10 ----------------------
SIST EN 60384-13:2012
60384-13 © IEC:2011 – 5 –
The text of this standard is based on the following documents:
FDIS Report on voting
40/2130/FDIS 40/2143/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.

A list of all the parts of the IEC 60384 series, under the general title Fixed capacitors for use

in electronic equipment, can be found on the IEC website.

The committee has decided that the contents of this publication will remain unchanged until

the stability 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.
---------------------- Page: 11 ----------------------
SIST EN 60384-13:2012
– 6 – 60384-13 © IEC:2011
FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT –
Part 13: Sectional specification –
Fixed polypropylene film dielectric metal foil d.c. capacitors
1 General
1.1 Scope

This part of IEC 60384 applies to fixed direct current capacitors, using as dielectric a

polypropylene film with electrodes of thin metal foils. The capacitors covered by this standard

are intended for use in electronic equipment.

Capacitors for electromagnetic interference suppression are not included, but are covered by

IEC 60384-14.
1.2 Object

The object of this standard 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 at least equal or higher performance level, because 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 60384-1:2008, Fixed capacitors for use in electronic equipment – Part 1: Generic

specification

IEC 60384-13-1, Fixed capacitors for use in electronic equipment – Part 13-1: Blank detail

specification – Fixed polypropylene film dielectric metal foil d.c. capacitors – Assessment

level E and EZ

IEC 60384-14, Fixed capacitors for use in electronic equipment – Part 14: Sectional

specification: Fixed capacitors for electromagnetic interference suppression and connection to

the supply mains
IEC 60410:1973, Sampling plans and procedures for inspection by attributes

IEC 61193-2, Quality assessment systems – Part 2: Selection and use of sampling plans for

inspection of electronic components and packages
ISO 3, Preferred numbers – Series of preferred numbers
---------------------- Page: 12 ----------------------
SIST EN 60384-13:2012
60384-13 © IEC:2011 – 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

These shall be an illustration of the capacitor as an aid to easy recognition and for

comparison of the capacitor 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.

Normally, the numerical values shall be given for the length, the width and height of the body

and the wire spacing, or for cylindrical types, the body diameter, and the length and diameter

of the terminations. When necessary, for example, when a number of items (capacitance

values/voltage ranges) 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 capacitor. When the capacitor is not

designed for use on printed boards, this shall be clearly stated in the detail specification.

1.4.2 Mounting

The detail specification shall specify the method of mounting to be applied for normal use and

for the application of the vibration and the bump or shock tests. The capacitors shall be

mounted by their normal means. The design of the capacitor may be such that special

mounting fixtures are required in its use. In this case, the detail specification shall describe

the mounting fixtures and they shall be used in the application of the vibration and bump or

shock tests.
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 Particular characteristics

Additional characteristics may be listed, when they are considered necessary to specify

adequately the component for design and application purposes.
1.4.3.2 Soldering

The detail specification shall prescribe the test methods, severities and requirements

applicable for the solderability and the resistance to solder heat test.
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.

---------------------- Page: 13 ----------------------
SIST EN 60384-13:2012
– 8 – 60384-13 © IEC:2011
1.5 Terms and definitions

For the purpose of this document, the terms and definitions given in IEC 60384-1 and the

following apply.
1.5.1
stability class

tolerance on the temperature coefficient together with the permissible change of capacitance

after defined tests
NOTE 1 The stability class is stated in the detail specification.
NOTE 2 Table 2 shows the preferred stability classes.
1.5.2
rated voltage

maximum d.c. voltage which may be applied continuously to a capacitor at the rated

temperature

NOTE The sum of the d.c. voltage and the peak a.c. voltage applied to the capacitor should not exceed the rated

voltage. The value of the peak a.c. voltage should not exceed the following percentages of the rated voltage at the

frequencies stated and should be not greater than 280 V:
50 Hz: 20 %
100 Hz: 15 %
1 000 Hz: 3 %
10 000 Hz: 1 %
unless otherwise specified in the detail specification.
1.6 Marking
See IEC 60384-1, 2.4 with the following details.
1.6.1 General

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.
– nominal capacitance;

– rated voltage (d.c. voltage may be indicated by the symbol or );

– tolerance on nominal capacitance;
– year and month (or week) of manufacture;
– manufacturer’s name or trade mark;
– temperature coefficient and stability class;
– climatic category;
– manufacturer’s type designation;
– reference to the detail specification;
1.6.2 Marking of capacitors

The capacitor shall be clearly marked with a), b) and c) of 1.6.1 and with as many as possible

of the remaining items as is considered necessary. Any duplication of information in the

marking on the capacitor should be avoided.
---------------------- Page: 14 ----------------------
SIST EN 60384-13:2012
60384-13 © IEC:2011 – 9 –
1.6.3 Marking of packaging

The package containing the capacitor(s) shall be clearly marked with all the information listed

in 1.6.1.
1.6.4 Additional marking
Any additional marking shall be so applied that no confusion can arise.
2 Preferred ratings and characteristics
2.1 Preferred characteristics

The values given in detail specifications shall preferably be selected from the following.

2.1.1 Preferred climatic categories

The capacitors covered by this specification are classified into climatic categories according

to the general rules given in IEC 60068-1.

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, –40 °C, –25 °C and –10 °C
• Upper category temperature: +85 °C , +100 °C and +105 °C
• Duration of the damp heat, steady-state test: 10, 21 and 56 days

The severities for the cold and dry heat tests are the lower and upper category temperatures

respectively.
2.1.2 Assisted drying

Assisted drying is conditionally for a period between 1 h and 6 h at a temperatures (55 ± 2) °C

and a relative humidity not exceeding 20 %.
2.2 Preferred values of ratings
2.2.1 Nominal capacitance (C )

Preferred values of nominal capacitance are to be taken from the E 6, E 12, E 24, E 48 and

E 96 series of IEC 60063.
2.2.2 Tolerance on nominal capacitance
The preferred tolerances on nominal capacitance are given in Table 1.
Table 1 – Preferred tolerances
Preferred series Preferred tolerance Tolerance code
E 6 M
±20 %
E 12 K
±10 %
E 24 J
±5 %
E 48 G
±2 %
E 96 F
±1 %
---------------------- Page: 15 ----------------------
SIST EN 60384-13:2012
– 10 – 60384-13 © IEC:2011

In all cases, the minimum tolerance is ±1 pF. Additional values of capacitance outside the

E 96 range and additional tolerances may be specified.
2.2.3 Rated voltage (U )

The preferred values of rated voltages are: 40 V – 63 V – 100 V – 160 V – 250 V and their

decimal multiples. These values conform to the basic series of preferred values R 5 given in

ISO 3.
2.2.4 Stability classes in relation to temperature coefficients and change of
capacitance

Preferred values of temperature coefficients (α) with associated tolerances and preferred

values of permissible change of capacitance and also preferred combinations of these values

defined as stability classes are given in Table 2.
The table is not valid for capacitance values smaller than 50 pF.
Table 2 – Preferred values and combinations
Stability Temperature coefficient α and Permissible change of capacitance
class tolerance in parts per million per
Upper category temperature
degree Kelvin
10 /K
85 °C 100 °C 105 °C
-80 -100 -125 -160 -250
±40 ±50 ±60 ±80 ±120 ±(0,5 %+0,5 pF) ±(1 %+0,5 pF) ±(1 %+0,5 pF)
±100 ±125 ±160 ±250 ±(1 %+1 pF) ±(2 %+1 pF) ±(2 %+1 pF)
±160 ±250 ±(2 %+2 pF) ±(5 %+2 pF) ±(5 %+2 pF)
Permissible change of capacitance after each of the following tests:
– resistance to soldering heat;
– rapid change of temperature;
– vibrations;
– bump or shock;
– damp heat, cyclic;
– damp heat, steady state;
– endurance.
2.2.5 Category voltage (U )

At 85 °C the category voltage is equal to the rated voltage (U ). For upper category

temperature of 100 °C, the category voltage is equal to 0,7 U .
2.2.6 Rated temperature
The standard value of rated temperature is 85 °C.
3 Quality assessment procedures
3.1 Primary stage of manufacture

The primary stage of manufacture is the winding of the capacitor element or the equivalent

operation.
---------------------- Page: 16 ----------------------
SIST EN 60384-13:2012
60384-13 © IEC:2011 – 11 –
3.2 Structurally similar components
Capacitors considered as being structurally similar are capacitors
...

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