1、BSI Standards PublicationPassive filter units for electromagnetic interference suppressionPart 3: Passive filter units for which safety tests are appropriateBS EN 60939-3:2015Incorporating corrigendum April 2016National forewordThis British Standard is the UK implementation of EN 60939-3:2015. It is
2、identical to IEC 60939-3:2015, incorporating corrigendum April 2016.The UK participation in its preparation was entrusted to TechnicalCommittee EPL/40X, Capacitors and resistors for electronic equipment.A list of organizations represented on this committee can be obtained onrequest to its secretary.
3、This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 94232 7ICS 31.160Compliance with a British Standard cannot confer im
4、munity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 December 2015.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60939-3:201530 April 2016 Implementation of IEC corrigendum Apr
5、il 2016:subclauses 4.18.3 and 4.18.5 correctedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60939-3 November 2015 ICS 31.160 English Version Passive filter units for electromagnetic interference suppression - Part 3: Passive filter units for which safety tests are appropriate (IEC 60939-3:201
6、5) Filtres passifs dantiparasitage - Partie 3: Filtres passifs pour lesquels des essais de scurit sont appropris (IEC 60939-3:2015) Passive Filter fr die Unterdrckung von elektromagnetischen Strungen - Teil 3: Filter, fr die Sicherheitsprfungen vorgeschrieben sind (IEC 60939-3:2015) This European St
7、andard was approved by CENELEC on 2015-09-16. 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 conce
8、rning 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 me
9、mber 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 Repub
10、lic 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 Standardizatio
11、n Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60939-3:2015 E
12、EN 60939-3:2015 ii European foreword The text of document 40/2387/FDIS, future edition 1 of IEC 60939-3, 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 60939-3:2015. The following dates are fixed:
13、 latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-06-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-09-16 Attention is drawn to the pos
14、sibility 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 60939-3:2015 was approved by CENELEC as a European St
15、andard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60068-2-13 NOTE Harmonized as EN 60068-2-13. IEC 60068-2-27 NOTE Harmonized as EN 60068-2-27. IEC 60085 NOTE Harmonized as EN 60085. IEC 60335-1 NOTE Harm
16、onized as EN 60335-1. IEC 60384-9 NOTE Harmonized as EN 60384-9. IEC 60947-1 NOTE Harmonized as EN 60947-1. IEC 60990 NOTE Harmonized as EN 60990. IEC 61112 NOTE Harmonized as EN 61112. IEC 62109-1 NOTE Harmonized as EN 62109-1. BS EN 60939-3:2015EN 60939-3:2015 iii Annex ZA (normative) Normative re
17、ferences 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
18、 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
19、this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60027-1 - Letter symbols to be used in electrical technology - Part 1: General - - IEC 60050 series International Electrotechnical Vocabulary (IEV) - - IEC 60060-1 2010 High-voltage test techniques - Part 1: General
20、definitions and test requirements EN 60060-1 2010 IEC 60062 - Marking codes for resistors and capacitors EN 60062 - IEC 60068-1 2013 Environmental testing - Part 1: General and guidance EN 60068-1 2014 IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 - IEC 60068-2-
21、2 - Environmental testing - Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 - IEC 60068-2-6 - Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 - IEC 60068-2-14 - Environmental testing - Part 2-14: Tests - Test N: Change of temperature EN 60068-2-14 - IEC 60068-2
22、-17 - Basic environmental testing procedures - Part 2-17: Tests - Test Q: Sealing EN 60068-2-17 - IEC 60068-2-20 2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads EN 60068-2-20 2008 IEC 60068-2-21 - Environme
23、ntal testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices EN 60068-2-21 - BS EN 60939-3:2015EN 60939-3:2015 iv Publication Year Title EN/HD Year IEC 60068-2-30 2005 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) EN 6
24、0068-2-30 2005 IEC 60068-2-45 1980 Basic environmental testing procedures - Part 2-45: Tests - Test XA and guidance: Immersion in cleaning solvents EN 60068-2-45 1992 IEC 60068-2-78 - Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state EN 60068-2-78 - IEC 60294 - Measurement
25、 of the dimensions of a cylindrical component with axial terminations EN 60294 - IEC 60384-14 2013 Fixed capacitors for use in electronic equipment - Part 14: Sectional specification - Fixed capacitors for electromagnetic interference suppression and connection to the supply mains EN 60384-14 2013 I
26、EC 60664-1 2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests EN 60664-1 2007 IEC 60695-11-5 - Fire hazard testing - Part 11-5: Test flames - Needle-flame test method - Apparatus, confirmatory test arrangement and guidance EN 60695-11-5
27、 - IEC 60695-11-10 - Fire hazard testing - Part 11-10: Test flames - 50 W horizontal and vertical flame test methods EN 60695-11-10 - IEC 60938-1 1999 Fixed inductors for electromagnetic interference suppression - Part 1: Generic specification EN 60938-1 1999 + A1 2006 + A1 2007 IEC 60938-2 - Fixed
28、inductors for electromagnetic interference suppression - Part 2: Sectional specification EN 60938-2 - IEC 60939-1 - Passive filter units for electromagnetic interference suppression - Part 1: Generic specification EN 60939-1 - IEC 60940 - Guidance information on the application of capacitors, resist
29、ors, inductors and complete filter units for electromagnetic interference suppression EN 60940 - IEC 61140 - Protection against electric shock - Common aspects for installation and equipment EN 61140 - ISO 80000-1 - Quantities and units - Part 1: General EN ISO 80000-1 - CISPR 17 - Methods of measur
30、ement of the suppression characteristics of passive EMC filtering devices EN 55017 - BS EN 60939-3:2015 2 IEC 60939-3:2015 IEC 2015 CONTENTS FOREWORD . 7 1 General . 9 1.1 Scope . 9 1.2 Normative references 9 1.3 Information to be given in a detail specification 11 1.3.1 General . 11 1.3.2 Outline d
31、rawing and dimensions . 11 1.3.3 Mounting 11 1.3.4 Ratings and characteristics 12 1.3.5 Marking . 12 1.4 Terms and definitions 12 1.5 Marking . 17 1.5.1 General . 17 1.5.2 Coding . 18 1.5.3 Marking details 18 1.5.4 Marking of filters 18 1.5.5 Marking of packaging . 18 1.5.6 Additional marking . 18 1
32、.6 Components 18 1.7 Overcurrent protective devices 18 1.8 Wiring and Insulation . 19 1.8.1 General . 19 1.8.2 Sleeving, tubing and wire insulation 19 1.8.3 Properties of insulation material . 19 1.9 Protective Bonding Conductors 19 1.10 Corrosion 20 2 Preferred ratings and characteristics 20 2.1 Pr
33、eferred characteristics . 20 2.1.1 General . 20 2.1.2 Preferred climatic categories 20 2.2 Preferred values of ratings 20 2.2.1 Rated voltage (UR) 20 2.2.2 Rated temperature . 20 2.2.3 Passive flammability 20 3 Test plan for safety tests 21 3.1 Structurally similar filters . 21 3.2 Safety approval p
34、rocedure . 21 3.2.1 General . 21 3.2.2 Sampling . 21 3.2.3 Tests . 22 3.3 Requalification tests 22 4 Test and measurement procedures 24 4.1 General . 24 4.1.1 General . 24 4.1.2 Standard atmospheric conditions 24 4.1.3 Standard atmospheric conditions for testing 24 4.1.4 Recovery conditions . 25 BS
35、EN 60939-3:2015IEC 60939-3:2015 IEC 2015 3 4.1.5 Referee conditions . 25 4.1.6 Reference conditions . 25 4.1.7 Drying 26 4.2 Visual examination and check of dimensions . 26 4.2.1 Visual examination . 26 4.2.2 Dimensions (gauging) 26 4.2.3 Dimensions (detail) 26 4.2.4 Creepage distances and clearance
36、s . 26 4.3 Inductance measurement 29 4.3.1 General . 29 4.3.2 Measuring conditions . 29 4.4 Earth inductors incorporated in filters. 29 4.5 Capacitance 29 4.5.1 General . 29 4.5.2 Measuring conditions . 29 4.6 Insertion loss 30 4.7 Insulation resistance . 30 4.7.1 General . 30 4.7.2 Measuring voltag
37、e 30 4.7.3 Application of measuring voltage 31 4.7.4 Mean time to measuring . 32 4.7.5 Temperature correction factor 32 4.7.6 Information to be given in a detail specification . 32 4.7.7 Requirements 34 4.8 Voltage proof 35 4.8.1 General . 35 4.8.2 Test procedure . 35 4.8.3 Applied voltage 35 4.8.4
38、Tests . 36 4.8.5 Requirements 37 4.8.6 Repetition of the voltage proof test . 37 4.8.7 Information to be given in a detail specification . 37 4.8.8 Requirements 37 4.9 DC line resistance or voltage drop at rated current . 37 4.9.1 General . 37 4.9.2 DC line resistance 37 4.9.3 Voltage drop at rated
39、current 37 4.10 Discharge resistance . 38 4.10.1 General . 38 4.10.2 Resistor Test . 38 4.11 Robustness of terminations . 39 4.11.1 General . 39 4.11.2 Test Ua1 Tensile . 39 4.11.3 Test Ub Bending . 39 4.11.4 Test Uc Torsion . 39 4.11.5 Test Ud Torque . 39 4.11.6 Visual examination . 41 4.12 Resista
40、nce to soldering heat . 41 4.12.1 Applicability of the test . 41 BS EN 60939-3:2015 4 IEC 60939-3:2015 IEC 2015 4.12.2 Pre-measurement 41 4.12.3 Test conditions 41 4.12.4 Test severity 41 4.12.5 Intermediate inspection, measurements and requirements 41 4.13 Solderability (for performance only) . 41
41、4.13.1 General . 41 4.13.2 Test method . 42 4.13.3 Test conditions 42 4.13.4 Requirements 42 4.13.5 Final measurements and requirements . 42 4.14 Rapid change of temperature (for performance only) 42 4.14.1 Pre-measurements . 42 4.14.2 Test method . 43 4.14.3 Final inspection 43 4.15 Vibration (for
42、performance only) 43 4.15.1 Pre-measurements . 43 4.15.2 Test method . 43 4.15.3 Test conditions 43 4.15.4 Intermediate inspection 43 4.15.5 Final Inspection . 43 4.16 Shock (for performance only) . 43 4.16.1 Pre measurements . 43 4.16.2 Test method . 44 4.16.3 Test conditions 44 4.16.4 Final Inspec
43、tion . 44 4.17 Container sealing (for performance only) . 44 4.17.1 General . 44 4.17.2 Test conditions 44 4.17.3 Requirements 44 4.18 Climatic sequence . 44 4.18.1 General . 44 4.18.2 Initial measurements 44 4.18.3 Dry heat . 45 4.18.4 Damp heat, cyclic . 45 4.18.5 Cold . 45 4.18.6 Low air pressure
44、 45 4.18.7 Damp heat, cyclic, remaining cycles . 46 4.18.8 Final inspection, measurements and requirements 46 4.19 Damp heat, steady state 46 4.19.1 Pre-measurements . 46 4.19.2 Test method . 46 4.19.3 Test conditions 46 4.19.4 Final inspection, measurements and requirements 47 4.20 Temperature rise
45、 . 47 4.20.1 General . 47 4.20.2 Test method . 47 4.20.3 Test description . 48 4.20.4 Requirements 49 4.21 Current overload . 50 BS EN 60939-3:2015IEC 60939-3:2015 IEC 2015 5 4.21.1 Pre-measurements . 50 4.21.2 Test method . 50 4.21.3 Final inspection, measurements and requirements 50 4.22 Leakage c
46、urrent 50 4.23 Protective conductor resistance . 50 4.24 Impulse voltage . 51 4.24.1 General . 51 4.24.2 Initial measurements 51 4.24.3 Test conditions 51 4.24.4 Requirements 51 4.25 Endurance 52 4.25.1 General . 52 4.25.2 General test conditions 52 4.25.3 Test conditions current test . 52 4.25.4 Te
47、st conditions voltage test, terminations/case 53 4.25.5 Test conditions voltage test between terminations 53 4.25.6 Test conditions combined voltage/current tests 54 4.25.7 Final inspection, measurements and requirements 54 4.26 Charge and discharge (for performance only) 54 4.26.1 General . 54 4.26
48、.2 Test circuits and wave forms 54 4.26.3 Information given in detail specification 56 4.26.4 Initial measurements 56 4.26.5 Test conditions 57 4.26.6 Final measurements and requirements . 57 4.27 Passive flammability 57 4.27.1 General . 57 4.27.2 Test method . 57 4.28 Active flammability 58 4.29 So
49、lvent resistance of the marking 58 4.29.1 General . 58 4.29.2 Test description . 58 4.29.3 Requirements after test 59 4.30 Component solvent resistance (for performance only) 59 4.30.1 General . 59 4.30.2 Initial measurements 59 4.30.3 Test description . 59 4.30.4 Final measurements . 59 Annex A (informative) Calculation of leakage current 60 A.1 General . 60 A.2 Calculation of leakage current for 1-line filters . 60 A.3 Calculation of leakage current for 2-line filters . 61 A.4 Cal
