SIST EN 60939-1:2005
(Main)Passive filter units for electromagnetic interference suppression -- Part 1: Generic specification
Passive filter units for electromagnetic interference suppression -- Part 1: Generic specification
relates to passive filter units for electromagnetic interference suppression for use within, or associated with, electronic or electrical equipment and machines. Both single- and multi-channel filters within one enclosure are included within the scope of this generic specification.
Passive Filter für die Unterdrückung von elektromagnetischen Störungen -- Teil 1: Fachgrundspezifikation
Filtres passifs d'antiparasitage -- Partie 1: Spécification générique
Pasivni filtri za dušenje elektromagnetnega motenja – 1. del: Generična specifikacija (IEC 60939-1:2005)
General Information
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Standards Content (Sample)
SLOVENSKI SIST EN 60939-1:2005
STANDARD
december 2005
Pasivni filtri za dušenje elektromagnetnega motenja – 1. del: Generična
specifikacija (IEC 60939-1:2005)
Passive filter units for electromagnetic interference suppression – Part 1: Generic
specification (IEC 60939-1:2005)
ICS 31.160 Referenčna številka
SIST EN 60939-1:2005(en)
© Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno
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EUROPEAN STANDARD EN 60939-1
NORME EUROPÉENNE
EUROPÄISCHE NORM April 2005
ICS 31.160 Supersedes EN 133000:1997
English version
Passive filter units for electromagnetic interference suppression
Part 1: Generic specification
(IEC 60939-1:2005)
Filtres passifs d'antiparasitage Passive Filter für die Unterdrückung
Partie 1: Spécification générique von elektromagnetischen Störungen
(CEI 60939-1:2005) Teil 1: Fachgrundspezifikation
(IEC 60939-1:2005)
This European Standard was approved by CENELEC on 2005-03-01. 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, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and 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
© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60939-1:2005 E
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EN 60939-1:2005 - 2 -
Foreword
The text of document 40/1509/FDIS, future edition 2 of IEC 60939-1, 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 60939-1 on 2005-03-01.
This European Standard supersedes EN 133000:1997.
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) 2005-12-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2008-03-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60939-1:2005 was approved by CENELEC as a European
Standard without any modification.
__________
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- 3 - EN 60939-1:2005
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 Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
IEC 60027 Series Letter symbols to be used in electrical HD 60027 Series
technology HD 245 S1 1997
IEC 60050 Series International Electrotechnical Vocabulary- -
1) 2)
IEC 60062 - Marking codes for resistors and EN 60062 2005
capacitors
1) 2)
IEC 60068-1 - Environmental testing EN 60068-1 1994
Part 1: General and guidance
1) 2)
IEC 60068-2-1 - Part 2: Tests - Tests A: Cold EN 60068-2-1 1993
1) 2)
IEC 60068-2-2 - Part 2: Tests - Tests B: Dry heat EN 60068-2-2 1993
1) 2)
IEC 60068-2-6 - Part 2: Tests - Test Fc: Vibration EN 60068-2-6 1995
(sinusoidal)
1) 2)
IEC 60068-2-13 - Part 2: Tests - Test M: Low air pressure EN 60068-2-13 1999
1) 2)
IEC 60068-2-14 - Part 2: Tests - Test N: Change of EN 60068-2-14 1999
temperature
1) 2)
IEC 60068-2-17 - Part 2: Tests - Test Q: Sealing EN 60068-2-17 1994
1) 2)
IEC 60068-2-20 - Part 2: Tests - Test T: Soldering HD 323.2.20 S3 1988
1) 2)
IEC 60068-2-21 - Part 2-21: Tests - Test U: Robustness of EN 60068-2-21 1999
terminations and integral mounting
devices
1) 2)
IEC 60068-2-27 - Part 2: Tests - Test Ea and guidance: EN 60068-2-27 1993
Shock
1) 2)
IEC 60068-2-29 - Part 2: Tests - Test Eb and guidance: EN 60068-2-29 1993
Bump
1)
Undated reference.
2)
Valid edition at date of issue.
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EN 60939-1:2005 - 4 -
Publication Year Title EN/HD Year
1) 2)
IEC 60068-2-30 - Part 2: Tests - Test Db and guidance: EN 60068-2-30 1999
Damp heat, cyclic (12 + 12-hour cycle)
1) 2)
IEC 60068-2-45 - Part 2: Tests - Test Xa and guidance: EN 60068-2-45 1992
Immersion in cleaning solvents
1) 2)
IEC 60068-2-78 - Part 2-78: Tests - Test Cab: Damp heat, EN 60068-2-78 2001
steady state
1) 2)
IEC 60085 - Electrical insulation - Thermal EN 60085 2004
classification
1)
IEC 60294 - Measurement of the dimensions of a - -
cylindrical component having two axial
terminations
IEC 60384-14 1993 Fixed capacitors for use in electronic - -
equipment
Part 14: Sectional specification: Fixed
capacitors for electromagnetic
interference suppression and connection
to the supply mains
1)
IEC 60410 - Sampling plans and procedures for - -
inspection by attributes
1) 2)
IEC 60695-2-2 - Fire hazard testing EN 60695-2-2 1994
Part 2: Test methods -- Section 2:
Needle-flame test
1)
IEC QC 001002-3 - IEC Quality Assessment System for - -
Electronic Components (IECQ) - Rules of
Procedure
Part 3: Approval procedures
CISPR 17 1981 Methods of measurement of the - -
suppression characteristics of passive
radio interference filters and suppression
components
ISO 1000 1992 SI units and recommendations for the use - -
of their multiples and of certain other
units
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INTERNATIONAL IEC
STANDARD 60939-1
Second edition
2005-02
Passive filter units for electromagnetic
interference suppression –
Part 1:
Generic specification
IEC 2005 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: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale
V
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue
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– 2 – 60939-1 IEC:2005(E)
CONTENTS
FOREWORD.4
1 General .6
1.1 Scope.6
1.2 Normative references .6
2 Technical data.7
2.1 Units, symbols and terminology.7
2.2 Definitions .8
2.3 Preferred values .10
2.4 Marking .10
3 Quality assessment procedures .10
3.1 General .10
3.2 Primary stage of manufacture .11
3.3 Subcontracting .11
3.4 Structurally similar filters .11
3.5 Qualification approval procedures .12
3.6 Capability approval procedures .12
3.7 Rework and repair work .13
3.8 Release for delivery.14
3.9 Certified test records .14
3.10 Delayed delivery.14
3.11 Alternative test methods .14
3.12 Unchecked parameters .14
4 Test and measurement procedures .15
4.1 General .15
4.2 Standard atmospheric conditions .15
4.3 Drying .16
4.4 Visual examination and check of dimensions .16
4.5 Voltage tests .17
4.6 Insertion loss.21
4.7 Discharge resistance .21
4.8 Robustness of terminations.22
4.9 Resistance to soldering heat.23
4.10 Solderability .23
4.11 Rapid change of temperature .24
4.12 Vibration.24
4.13 Bump .25
4.14 Shock.25
4.15 Container sealing .25
4.16 Climatic sequence .25
4.17 Damp heat, steady state .27
4.18 Temperature rise .27
4.19 Current overload.27
4.20 Endurance.28
4.21 Charge and discharge test .28
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60939-1 © IEC:2005(E) – 3 –
4.22 Passive flammability .30
4.23 Active flammability.30
4.24 Solvent resistance of marking .31
4.25 Component solvent resistance .31
Figure 1 – Asymmetrical and symmetrical test circuit .9
Figure 2 – Examples of the application of Table 2.17
Figure 3 – Test circuit for d.c. test .20
Figure 4 – Relay circuit .28
Figure 5 – Thyristor circuit .29
Figure 6 – Voltage and current waveforms.29
Table 1 – Standard atmospheric conditions .16
Table 2 – Measuring points .17
Table 3 – DC voltage for insulation resistance .19
Table 4 – Force for wire terminations .22
Table 5 – Torque .23
Table 6 – Number of cycles.26
Table 7 – Categories of flammability.30
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INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
PASSIVE FILTER UNITS FOR ELECTROMAGNETIC
INTERFERENCE SUPPRESSION –
Part 1: Generic specification
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 60939-1 has been prepared by IEC technical committee 40:
Capacitors and resistors for electronic equipment.
This second edition cancels and replaces the first edition published in 1988. This second
edition constitutes a technical revision.
The major changes that have been made between the first and the second edition are:
– Clause 3 has been updated in accordance with the usual practice in IEC TC 40 documents.
– Discharge resistance, current overload, passive flammability, active flammability, solvent
resistance of marking and component solvent resistance have been added to Clause 4,
test and measurement procedures.
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60939-1 IEC:2005(E) – 5 –
The text of this standard is based on the following documents:
FDIS Report on voting
40/1509/FDIS 40/1536/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.
IEC 60939 consists of the following parts, under the general title Passive filter units for
electromagnetic interference suppression
Part 1: Generic specification
Part 2: Sectional specification: Test methods and general requirements
Part 2-1: Blank detail specification – Passive filter units for electromagnetic interference
suppression – Filters for which safety tests are required (Assessment level D/DZ)
Part 2-2: Blank detail specification – Passive filter units for electromagnetic interference
suppression – Filters for which safety tests are required (Safety tests only)
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.
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– 6 – 60939-1 IEC:2005(E)
PASSIVE FILTER UNITS FOR ELECTROMAGNETIC
INTERFERENCE SUPPRESSION –
Part 1: Generic specification
1 General
1.1 Scope
This generic specification relates to passive filter units for electromagnetic interference sup-
pression for use within, or associated with, electronic or electrical equipment and machines.
Both single- and multi-channel filters within one enclosure are included within the scope of
this generic specification.
Filters constructed of capacitive elements where the inductance is inherent in the construction
of the filter are within the scope of this specification. Similarly, filters constructed of inductive
elements where the capacitance is inherent in the construction of the filter are also within the
scope of this generic specification. The manufacturer shall state whether a given component
is to be designed as a capacitor, an inductor or a filter.
The filter units within the scope of this generic specification are further distinguished as those
for which safety tests are appropriate (e.g. those connected to mains supplies) and those for
which such tests are not appropriate. A separate sectional specification covers the passive
filter units for which safety tests are appropriate.
This generic specification establishes standard terms, inspection procedures and methods of
test for use in sectional and detail specifications within the IECQ-CECC system for electronic
components.
1.2 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.
NOTE Components other than inductors and capacitors in the filter unit should fulfil requirements in the relevant
IEC Standard.
IEC 60027 (all parts), Letter symbols to be used in electrical technology
IEC 60050 (all parts), International Electrotechnical Vocabulary (IEV)
IEC 60062, Marking codes for resistors and capacitors
IEC 60068-1, Environmental testing – Part 1: General and guidance
IEC 60068-2-1, Environmental testing – Part 2: Tests – Tests A: Cold
IEC 60068-2-2, Environmental testing – Part 2: Tests – Tests B: Dry Heat
IEC 60068-2-6, Environmental testing – Part 2: Tests – Test Fc: Vibration (sinusoidal)
IEC 60068-2-13, Environmental testing – Part 2: Tests – Test M: Low air pressure
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60939-1 IEC:2005(E) – 7 –
IEC 60068-2-14, Environmental testing – Part 2: Tests – Test N: Change of temperature
IEC 60068-2-17, Basic environmental testing procedures – Part 2: Tests – Test Q: Sealing
IEC 60068-2-20, Environmental testing – Part 2: Tests – Test T: Soldering
IEC 60068-2-21, Environmental testing – Part 2-21: Tests – Test U: Robustness of termina-
tions and integral mounting devices
IEC 60068-2-27, Environmental testing – Part 2: Tests – Test Ea and guidance: Shock
IEC 60068-2-29, Environmental testing – Part 2: Tests – Test Eb and guidance: Bump
IEC 60068-2-30, Environmental testing – Part 2: Tests – Test Db and guidance: Damp heat,
cyclic (12 + 12-hour cycle)
IEC 60068-2-45, Environmental testing – Part 2: Tests – Test XA and guidance: Immersion in
cleaning solvents
IEC 60068-2-78, Environmental testing – Part 2-78: Tests – Test Cab: Damp heat, steady
state
IEC 60085, Thermal evaluation and classification of electrical insulation
IEC 60294, Measurement of the dimensions of a cylindrical component having two axial
terminations.
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, Sampling plans and procedures for inspection by attributes
IEC 60695-2-2, Fire hazard testing – Part 2: Test methods – Section 2: Needle flame test
IEC QC 001002-3, IEC Quality assessment system for electronic components (IECQ) – Rules
of procedure – Part 3: Approval procedures
CISPR 17:1981, Methods of measurement of the suppression characteristics of passive radio
interference filters and suppression components
ISO 1000:1992, SI units and recommendations for the use of their multiples and of certain
other units
2 Technical data
2.1 Units, symbols and terminology
Units, graphical symbols, letter symbols and terminology shall, whenever possible, be taken
from the following publications:
– IEC 60027
– IEC 60050
– ISO 1000
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– 8 – 60939-1 IEC:2005(E)
When further items are required they shall be derived in accordance with the principles of the
publications listed above.
2.2 Terms and definitions
For the purpose of the IEC 60939 series, the following terms and definitions apply.
2.2.1
type
group of components having similar design features, the similarity of their manufacturing
techniques enabling them to be grouped together either for qualification approval or for quality
conformance inspection, and generally covered by a single detail specification
NOTE Components described in several detail specifications may, in some cases, be considered as belonging to
the same type and may therefore be grouped together for approval and quality conformance inspection.
2.2.2
style
subdivision of a type, generally based on dimensional factors; a style may include several
variants, generally of a mechanical order
2.2.3
electromagnetic interference suppression filter unit (filter)
radio interference suppression filter unit
assembly of piece-parts and inductive, capacitive and resistive elements to be used for the
reduction of electromagnetic interference caused by electrical or electronic equipment, or
other sources
2.2.4
rated voltage
U
R
maximum r.m.s. operating voltage at rated frequency or the maximum d.c. operating voltage
which may be applied continuously to the terminations of the filter unit at any temperature
between the lower and the upper category temperatures
2.2.5
category voltage
U
C
maximum voltage which may be applied to a filter at its upper category temperature
2.2.6
lower category temperature
minimum ambient temperature for which the filter has been designed to operate continuously
2.2.7
upper category temperature
maximum ambient temperature for which the filter unit has been designed to operate
continuously
2.2.8
rated temperature
maximum ambient temperature at which a filter can carry its rated current
2.2.9
rated current
maximum r.m.s. operating current at rated frequency or maximum d.c. rating current which
allows continuous operation of the filter at the rated temperature, assigned by the
manufacturer for one or both of the following conditions:
a) free air (I );
RO
b) with a specified heat sink (I )
RH
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60939-1 IEC:2005(E) – 9 –
2.2.10
rated capacitance
C
R
capacitance value for which a capacitor has been designed and which may be indicated
upon it
2.2.11
rated inductance
L
R
inductance value for which the inductor has been designed and which may be indicated upon it
2.2.12
insertion loss
ratio of the voltage before and after the insertion of the filter in the circuit as measured at the
terminations either with a symmetrical or an asymmetrical test circuit
NOTE It is normally expressed in decibels, when the insertion loss is 20 times the logarithm to base 10 of this
ratio.
2.2.13
asymmetrical test circuit
test circuit in which the filter under test is connected as a 3-terminal network, one terminal of
which is connected to earth
NOTE The signal is applied between the input terminal and earth, and the output is measured between the output
terminal and earth. There is a common (earth) connection between generator, filter and receiver (see Figure 1).
2.2.14
symmetrical test circuit
test circuit in which the filter under test is connected as a 4-terminal network
NOTE 1 The test signal applied to the two input terminals symmetrically about earth, i.e. equal in magnitude but
of opposite phase on the two terminals (see Figure 1). The output is measured between the other two terminals.
NOTE 2 It is usual to perform symmetrical tests using an asymmetrical generator and receiver with suitable
balance-to-unbalance transformers connected between them and the filter under test.
2.2.15
visible damage
visible damage which reduces the usability of the filter for its intended purpose
Filter Filter
under under
R
test test
R
Asymmetrical test circuit Symmetrical test circuit
IEC 256/05
Figure 1 – Asymmetrical and symmetrical test circuit
2.2.16
passive flammability
ability of a filter to burn with a flame as a consequence of the application of an external
source of heat
2.2.17
active flammability
ability of a filter to burn with a flame as a consequence of electrical loading
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...
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