Fixed electric double-layer capacitors for use in elecric and electronic equipment - Part 1: Generic specification

This part of IEC 62391 applies to fixed electric double-layer capacitors (hereafter referred to
as capacitor(s)) mainly used in d.c. circuits of electric and electronic equipment.
This part of IEC 62391 establishes standard terms, inspection procedures and methods of test
for use in sectional and detail specifications of electronic components for quality assessment
or any other purpose.

Elektrische Doppelschichtkondensatoren zur Verwendung in elektrischen und elektronischen Geräten - Teil 1: Fachgrundspezifikation

Condensateurs electriques fixes a double couche utilises dans les equipements electriques et electroniques - Partie 1: Spécification générique

L'IEC 62391-1:2015 s'applique aux condensateurs électriques fixes à double couche (appelés ci-après condensateurs) principalement utilisés dans des circuits à courant continu d'équipements électriques et électroniques. La présente partie de l'IEC 62391 définit les termes normalisés, les procédures de contrôle et les méthodes d’essai utilisés dans les spécifications intermédiaires et particulières des composants électroniques dans le cadre de l’assurance de la qualité, ainsi qu’à d’autres fins. La présente édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: a) renforcement du domaine d'application pour inclure des applications électriques (haute puissance); b) mise en œuvre de l’Annexe Qqui remplace l’Article 3 de la première édition; c) en plus, des révisions mineures des tableaux, valeurs et références.

Nespremenljivi električni dvoplastni kondenzatorji za električno in elektronsko opremo - 1. del: Rodovna specifikacija

Ta del standarda IEC 62391 velja za fiksne električne dvoplastne kondenzatorje (v nadaljnjem besedilu kondenzatorje), ki se uporabljajo za električno in elektronsko opremo v omrežjih z enosmerno napetostjo. Ta del standarda IEC 62391 določa splošne pogoje, inšpekcijske postopke in preskusne metode za uporabo v sekcijskih in podrobnih specifikacijah elektronskih komponent za oceno kakovosti ali kateri koli drug namen.

General Information

Status
Published
Publication Date
09-Mar-2016
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
02-Mar-2016
Due Date
07-May-2016
Completion Date
10-Mar-2016

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SLOVENSKI STANDARD
SIST EN 62391-1:2016
01-april-2016
1DGRPHãþD
SIST EN 62391-1:2006
1HVSUHPHQOMLYLHOHNWULþQLGYRSODVWQLNRQGHQ]DWRUML]DHOHNWULþQRLQHOHNWURQVNR
RSUHPRGHO5RGRYQDVSHFLILNDFLMD

Fixed electric double-layer capacitors for use in elecric and electronic equipment - Part 1:

Generic specification
Condensateurs electriques fixes a double couche utilises dans les equipements
electriques et electroniques - Partie 1: Spécification générique
Ta slovenski standard je istoveten z: EN 62391-1:2016
ICS:
31.060.10 Fiksni kondenzatorji Fixed capacitors
SIST EN 62391-1:2016 en

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

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SIST EN 62391-1:2016
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SIST EN 62391-1:2016
EUROPEAN STANDARD EN 62391-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2016
ICS 31.060.10 Supersedes EN 62391-1:2006
English Version
Fixed electric double-layer capacitors for use in electric and
electronic equipment - Part 1: Generic specification
(IEC 62391-1:2015)

Condensateurs électriques fixes à double couche utilisés Elektrische Doppelschichtkondensatoren zur Verwendung

dans les équipements électriques et électroniques - in elektrischen und elektronischen Geräten -

Partie 1: Spécification générique Teil 1: Fachgrundspezifikation
(IEC 62391-1:2015) (IEC 62391-1:2015)

This European Standard was approved by CENELEC on 2015-11-27. 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, Former Yugoslav Republic of Macedonia, 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.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 62391-1:2016 E
---------------------- Page: 3 ----------------------
SIST EN 62391-1:2016
EN 62391-1:2016
European foreword
The text of document 40/2393/FDIS, future edition 2 of IEC 62391-1, 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 62391-1:2016.
The following dates are fixed:
(dop) 2016-08-27
• 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) 2018-11-27
standards conflicting with the
document have to be withdrawn
This document supersedes EN 62391-1:2006.

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 62391-1:2015 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 standards indicated:

IEC 60068-2-47:2005 NOTE Harmonized as EN 60068-2-47:2005 (not modified).
IEC 60384-1:2008 NOTE Harmonized as EN 60384-1:2009 (not modified).
IEC 61881-3:2012 NOTE Harmonized as EN 61881-3:2012 (not modified).
IEC 62391-1:2006 NOTE Harmonized as EN 62391-1:2006 (not modified).
IEC 62391-2:2006 NOTE Harmonized as EN 62391-2:2006 (not modified).
IEC 62391-2-1:2006 NOTE Harmonized as EN 62391-2-1:2006 (not modified).
IEC 62576:2009 NOTE Harmonized as EN 62576:2010 (not modified).
ISO 80000-1:2009 NOTE Harmonized as EN ISO 80000-1:2013 (not modified).
Superseded by EN 62391-1:2015 (IEC 62391-1:2015).
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SIST EN 62391-1:2016
EN 62391-1:2016
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When 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.cenelec.eu
Publication Year Title EN/HD Year
IEC 60027 series Letter symbols to be used in electrical EN 60027 series
technology
IEC 60050 series International Electrotechnical Vocabulary - -
IEC 60062 - Marking codes for resistors and capacitors EN 60062 -
IEC 60063 - Preferred number series for resistors and EN 60063 -
capacitors
IEC 60068-1 2013 Environmental testing - EN 60068-1 2014
Part 1: General and guidance
IEC 60068-2-1 2007 Environmental testing - EN 60068-2-1 2007
Part 2-1: Tests - Test A: Cold
IEC 60068-2-2 2007 Environmental testing - EN 60068-2-2 2007
Part 2-2: Tests - Test B: Dry heat
IEC 60068-2-6 2007 Environmental testing - EN 60068-2-6 2008
Part 2-6: Tests - Test Fc: Vibration
(sinusoidal)
IEC 60068-2-14 2009 Environmental testing - EN 60068-2-14 2009
Part 2-14: Tests - Test N: Change of
temperature
IEC 60068-2-20 2008 Environmental testing - EN 60068-2-20 2008
Part 2-20: Tests - Test T: Test methods for
solderability and resistance to soldering
heat of devices with leads
IEC 60068-2-21 2006 Environmental testing - EN 60068-2-21 2006
Part 2-21: Tests - Test U: Robustness of
terminations and integral mounting devices
IEC 60068-2-45 1980 Basic environmental testing procedures - EN 60068-2-45 1992
Part 2-45: Tests - Test XA and guidance:
Immersion in cleaning solvents
+A1 1993 +A1 1993
IEC 60068-2-54 2006 Environmental testing - EN 60068-2-54 2006
Part 2-54: Tests - Test Ta: Solderability
testing of electronic components by the
wetting balance method
---------------------- Page: 5 ----------------------
SIST EN 62391-1:2016
EN 62391-1:2016
Publication Year Title EN/HD Year
IEC 60068-2-58 2015 Environmental testing - EN 60068-2-58 2015
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 60068-2-69 2007 Environmental testing - EN 60068-2-69 2007
Part 2: Tests - Test Te: Solderability
testing of electronic components for
surface mounting devices (SMD) by the
wetting balance method
IEC 60068-2-78 2012 Environmental testing - EN 60068-2-78 2013
Part 2-78: Tests - Test Cab: Damp heat,
steady state
IEC 60294 2012 Measurement of the dimensions of a EN 60294 2012
cylindrical component with axial
terminations
IEC 60617-DB - Graphical symbols for diagrams - -
IEC 60695-11-5 - Fire hazard testing - EN 60695-11-5 -
Part 11-5: Test flames - Needle-flame test
method - Apparatus, confirmatory test
arrangement and guidance
IEC 60717 2012 Method for the determination of the space EN 60717 2012
required by capacitors and resistors with
unidirectional terminations
IEC 61193-2 - Quality assessment systems - EN 61193-2 -
Part 2: Selection and use of sampling
plans for inspection of electronic
components and packages
---------------------- Page: 6 ----------------------
SIST EN 62391-1:2016
IEC 62391-1
Edition 2.0 2015-10
INTERNATIONAL
STANDARD
colour
inside
Fixed electric double-layer capacitors for use in electric and electronic
equipment –
Part 1: Generic specification
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 31.060.10 ISBN 978-2-8322-2956-9

Warning! Make sure that you obtained this publication from an authorized distributor.

® Registered trademark of the International Electrotechnical Commission
---------------------- Page: 7 ----------------------
SIST EN 62391-1:2016
– 2 – IEC 62391-1:2015 © IEC 2015
CONTENTS

FOREWORD ........................................................................................................................... 7

1 Scope .............................................................................................................................. 9

2 Normative references ...................................................................................................... 9

3 Terms and definitions .................................................................................................... 10

4 General items ................................................................................................................ 14

4.1 Unit and symbols .................................................................................................. 14

4.2 Preferred values and class .................................................................................... 14

4.2.1 General ......................................................................................................... 14

4.2.2 Preferred values of nominal capacitance ....................................................... 15

4.2.3 Class ............................................................................................................. 15

4.3 Marking ................................................................................................................. 15

4.3.1 General ......................................................................................................... 15

4.3.2 Coding ........................................................................................................... 15

4.4 Quality assessment procedures ............................................................................ 15

5 Tests and measurement ................................................................................................ 15

5.1 General ................................................................................................................. 15

5.2 Test and measurement requirements .................................................................... 15

5.2.1 Test conditions .............................................................................................. 15

5.2.2 Measurement conditions ................................................................................ 15

5.2.3 Voltage treatment .......................................................................................... 16

5.2.4 Thermal treatment ......................................................................................... 16

5.3 Drying ................................................................................................................... 16

5.4 Visual examination and check of dimensions ........................................................ 16

5.4.1 Visual examination ........................................................................................ 16

5.4.2 Dimensions (gauging) .................................................................................... 16

5.4.3 Dimensions (detail) ........................................................................................ 16

5.5 Measurement method 1 for capacitance and internal resistance (constant

current discharge) ................................................................................................. 16

5.5.1 Basic circuit for measuring ............................................................................ 16

5.5.2 Measuring equipment .................................................................................... 17

5.5.3 Measuring procedure ..................................................................................... 18

5.5.4 Calculation methods for capacitance ............................................................. 20

5.5.5 Calculation methods for internal resistance.................................................... 21

5.5.6 Conditions to be prescribed in the detail specification .................................... 22

5.6 Measurement method 2 for capacitance and internal resistance ............................ 22

5.6.1 Constant resistance charging method for capacitance measurement ............. 22

5.6.2 AC internal resistance measuring method ...................................................... 23

5.7 Leakage current .................................................................................................... 23

5.7.1 Measuring method ......................................................................................... 23

5.7.2 Items to be specified in the detail specification .............................................. 24

5.8 Maintain voltage.................................................................................................... 24

5.8.1 Measuring method ......................................................................................... 24

5.8.2 Calculation of voltage maintenance rate ........................................................ 25

5.8.3 Conditions to be prescribed in the detail specification .................................... 25

5.9 Robustness of terminations ................................................................................... 25

5.9.1 Test Ua1 – Tensile ........................................................................................ 25

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SIST EN 62391-1:2016
IEC 62391-1:2015 © IEC 2015 – 3 –

5.9.2 Test Ub – Bending (half of the sample) .......................................................... 25

5.9.3 Test Uc – Torsion (remaining sample) ........................................................... 26

5.9.4 Test Ud – Torque (for terminations with threaded studs or screws and

for integral mounting devices) ........................................................................ 26

5.9.5 Visual examination ........................................................................................ 26

5.10 Resistance to soldering heat ................................................................................. 26

5.10.1 Preconditioning and initial measurement ........................................................ 26

5.10.2 Test ............................................................................................................... 26

5.10.3 Recovery ....................................................................................................... 26

5.10.4 Final inspection, measurements and requirements......................................... 27

5.11 Solderability .......................................................................................................... 27

5.11.1 General ......................................................................................................... 27

5.11.2 Preconditioning .............................................................................................. 27

5.11.3 Capacitors with leads .................................................................................... 27

5.11.4 Surface mount capacitors .............................................................................. 28

5.12 Rapid change of temperature ................................................................................ 28

5.12.1 Initial measurement ....................................................................................... 28

5.12.2 Test ............................................................................................................... 28

5.12.3 Final inspection, measurements and requirements......................................... 28

5.13 Vibration ............................................................................................................... 28

5.13.1 Initial measurement ....................................................................................... 28

5.13.2 Test ............................................................................................................... 28

5.13.3 Final measurement and requirements ............................................................ 29

5.14 Damp heat, steady state ....................................................................................... 29

5.14.1 Initial measurement ....................................................................................... 29

5.14.2 Test ............................................................................................................... 29

5.14.3 Final measurement ........................................................................................ 29

5.15 Endurance ............................................................................................................ 29

5.15.1 Initial measurements ..................................................................................... 29

5.15.2 Test ............................................................................................................... 29

5.15.3 Final measurement, inspection and requirements .......................................... 29

5.16 Storage ................................................................................................................. 30

5.16.1 Storage at high temperature .......................................................................... 30

5.16.2 Storage at low temperature ............................................................................ 30

5.17 Characteristics at high and low temperature .......................................................... 30

5.17.1 General ......................................................................................................... 30

5.17.2 Test procedure .............................................................................................. 30

5.17.3 Dry heat ........................................................................................................ 31

5.17.4 Cold............................................................................................................... 31

5.17.5 Final measurement and requirements ............................................................ 31

5.18 Component solvent resistance .............................................................................. 31

5.18.1 Initial measurements ..................................................................................... 31

5.18.2 Test ............................................................................................................... 31

5.18.3 Requirements ................................................................................................ 31

5.19 Solvent resistance of marking ............................................................................... 31

5.19.1 Test ............................................................................................................... 31

5.19.2 Requirements ................................................................................................ 32

5.20 Passive flammability ............................................................................................. 32

5.20.1 Test procedure .............................................................................................. 32

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SIST EN 62391-1:2016
– 4 – IEC 62391-1:2015 © IEC 2015

5.20.2 Requirements ................................................................................................ 32

5.21 Pressure relief (if applicable) ................................................................................ 32

5.21.1 Test ............................................................................................................... 32

5.21.2 Requirements ................................................................................................ 32

Annex A (normative) Classification according to capacitance and internal resistance ........... 33

A.1 General ................................................................................................................. 33

A.2 Classification by capacitance and internal resistance ............................................ 33

Annex B (informative) Measuring method of capacitance and low resistance by low

frequency a.c. method (reference) ................................................................................. 35

B.1 General ................................................................................................................. 35

B.2 Measuring system ................................................................................................. 35

B.3 Calculation of capacitance .................................................................................... 35

B.4 Measuring conditions ............................................................................................ 36

Annex C (informative) Thermal equilibrium time of capacitors .............................................. 37

C.1 General ................................................................................................................. 37

C.2 Thermal equilibrium time of capacitors .................................................................. 37

Annex D (informative) Charging/discharging efficiency and measurement current ................ 39

D.1 General ................................................................................................................. 39

D.2 Charging efficiency, discharging efficiency, and current ........................................ 39

Annex E (informative) Procedures for setting the measurement current of capacitor

with uncertain nominal internal resistance ..................................................................... 41

E.1 General ................................................................................................................. 41

E.2 Current setting procedures for measurement of capacitor ..................................... 41

E.3 Example of setting current for determining capacitor characteristics ..................... 41

Annex F (informative) Policy on uncertainty of measurement and inset limits ....................... 42

F.1 Objective .............................................................................................................. 42

F.2 Terms and definitions ............................................................................................ 42

F.3 Calculation of measurement uncertainty ................................................................ 42

F.4 Policy .................................................................................................................... 43

F.5 Calculation of inset and outset limits ..................................................................... 43

F.6 Examples .............................................................................................................. 43

F.6.1 General ......................................................................................................... 43

F.6.2 Example 1: Resistor measurement ................................................................ 43

F.6.3 Example 2: Resistor measurement ................................................................ 44

F.6.4 Example 3: Transistor measurement (gain) .................................................... 44

F.6.5 Example 4: Comparison between initial and final measurement results .......... 44

Annex G (informative) Reference to IEC 62391-1:2006 ........................................................ 45

Annex Q (normative) Quality assessment procedures .......................................................... 46

Q.1 General ................................................................................................................. 46

Q.1.1 Overview ....................................................................................................... 46

Q.1.2 Applicability of qualification approval ............................................................. 46

Q.1.3 Applicability of capability approval ................................................................. 46

Q.1.4 Applicability of technology approval ............................................................... 47

Q.2 Primary stage of manufacture ............................................................................... 47

Q.3 Subcontracting ...................................................................................................... 47

Q.4 Structurally similar components ............................................................................ 47

Q.5 Qualification approval procedures ......................................................................... 47

Q.5.1 Eligibility for qualification approval ................................................................. 47

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SIST EN 62391-1:2016
IEC 62391-1:2015 © IEC 2015 – 5 –

Q.5.2 Application for qualification approval ............................................................. 48

Q.5.3 Test procedure for qualification approval ....................................................... 48

Q.5.4 Granting of qualification approval .................................................................. 48

Q.5.5 Maintenance of qualification approval ............................................................ 48

Q.5.6 Quality conformance inspection ..................................................................... 48

Q.6 Capability approval procedures ............................................................................. 48

Q.6.1 General ......................................................................................................... 48

Q.6.2 Eligibility for capability approval ..................................................................... 49

Q.6.3 Application for capability approval ................................................................. 49

Q.6.4 Description of capability ................................................................................. 49

Q.6.5 Demonstration and verification of capability ................................................... 50

Q.6.6 Programme for capability approval ................................................................. 50

Q.6.7 Capability approval test report ....................................................................... 51

Q.6.8 Abstract of description of capability ............................................................... 51

Q.6.9 Modifications likely to affect the capability approval ....................................... 51

Q.6.10 Initial capability approval ............................................................................... 51

Q.6.11 Granting of capability approval ...................................................................... 52

Q.6.12 Maintenance of capability approval ................................................................ 52

Q.6.13 Extension of capability approval .................................................................... 53

Q.6.14 Quality conformance inspection ..................................................................... 53

Q.7 Rework and repair................................................................................................. 53

Q.7.1 Rework .......................................................................................................... 53

Q.7.2 Repair ........................................................................................................... 54

Q.8 Release for delivery .............................................................................................. 54

Q.8.1 General ......................................................................................................... 54

Q.8.2 Release for delivery under qualification approval before the completion

of Group B tests ............................................................................................ 54

Q.9 Certified test records of released lots .................................................................... 54

Q.10 Delayed delivery ................................................................................................... 54

Q.11 Alternative test methods ....................................................................................... 54

Q.12 Manufacture outside the geographical limits of IECQ CBs ..................................... 54

Q.13 Unchecke
...

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