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1、BRITISH STANDARD BS EN 133000:1997 Harmonized system of quality assessment for electronic components Generic specification: Passive filter units for electromagnetic interference suppression The European Standard EN 133000:1997 has the status of a British Standard ICS 31.160; 33.100 Licensed Copy: sh
2、effieldun sheffieldun, na, Sun Oct 29 10:15:47 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 133000:1997 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 Septe
3、mber 1997 BSI 09-1999 ISBN 0 580 28422 0 National foreword This British Standard is the English language version of EN 133000:1997 published by the European Electronic Components Committee (CECC) of the European Committee for Electrotechnical Standardization (CENELEC). When BS EN 133100 and BS EN 13
4、3101 have been published, together with this standard and BS EN 133200:1995, they will supersede BS 9120:1988, BS 9121:1988 and BS 9125:1988 which will then become obsolescent. The UK participation in its preparation was entrusted by Technical Committee EPL/40, Capacitors and resistors for electroni
5、c equipment, to Subcommittee EPL/40/1, Capacitors and EMI suppression components for electronic equipment, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change,
6、and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC Standa
7、rds normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the
8、 section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct applica
9、tion. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 23 and a back cover. This standard has been updated (see copyright date) an
10、d may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:15:47 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 133000:1997 BSI 0
11、9-1999i Contents Page National forewordInside front cover Foreword2 Text of EN 1330003 Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:15:47 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:15:47 GMT+00:00 2006, Uncontrolled Copy
12、, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 133000 April 1997 Descriptors: Quality, electronic components, capacitors English version Generic Specification: Passive filter units for electromagnetic interference suppression Spcification gnrique: Filtres passifs dantiparasitage Fach
13、grundspezifikation: Passive Filter fr die Unterdrckung von elektromagnetischen Strungen This European Standard was approved by CENELEC on 1994-12-28. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the sta
14、tus 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)
15、. 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, Denmark, Fi
16、nland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische
17、Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1997 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 133000:1997 E Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:15:47 GMT+00:00 2006, Uncontrolled Copy, (
18、c) BSI EN 133000:1997 BSI 09-1999 2 Foreword This European Standard was prepared by CLC/TC CECC/SC 40XA (former WG3), Capacitors. The text of Specification CECC 33000 was submitted to the formal vote; together with the voting report, circulated as CECC (Secretariat) 3628 it was approved as EN 133000
19、 on 1994-12-28. The following dates were fixed: Contents Page Foreword2 1Scope3 2General3 2.1Related documents3 2.2Units, symbols and terminology4 2.3Preferred values6 2.4Marking6 3Quality assessment procedures7 3.1General7 3.2Primary stage of manufacture7 3.3Subcontracting8 3.4Structurally similar
20、components8 3.5Qualification approval procedures8 3.6Capability approval procedures8 3.7Rework and repair work9 3.8Release of delivery9 3.9Certified test records9 3.10 Delayed delivery10 3.11 Alternative test methods10 3.12 Unchecked parameters10 4Test and measurement procedures10 4.1General10 4.2St
21、andard atmospheric conditions for testing10 4.3Drying11 Page 4.4Visual examination and check of dimensions11 4.5Insulation resistance11 4.6Voltage proof14 4.7Insertion loss16 4.8Resistance16 4.9Robustness of terminations16 4.10 Resistance to soldering heat16 4.11 Solderability17 4.12 Rapid change of
22、 temperature17 4.13 Vibration17 4.14 Bump18 4.15 Shock18 4.16 Container sealing18 4.17 Climatic sequence18 4.18 Damp heat, steady state19 4.19 Temperature rise19 4.20 Current overload19 4.21 Endurance20 4.22 Charge and discharge test20 4.23 Passive flammability23 4.24 Active flammability23 4.25 Solv
23、ent resistance of marking23 4.26 Component solvent resistance23 Figure 114 Figure 2 Relay circuit20 Figure 3 Thyristor circuit21 Figure 422 Table 112 Table 2 Measuring points13 Table 323 latest date by which the EN has to be implemented at national level by publication of an identical national stand
24、ard or by endorsement(dop) 1997-10-24 latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 1998-10-24 Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:15:47 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 133000:1997 BSI 09-19993 1 Scope This standard
25、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 specification. Filters constructed of ca
26、pacitive 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 specification. Th
27、e 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 specification are further distinguished as those for which safety tests are appropriate (e.g. those connected to mains supplies) and those for whi
28、ch such tests are not appropriate. Separate sectional specifications cover the requirements for these two general application classes. This generic specification establishes standard terms, inspection procedures and methods of test for use in sectional and detail specifications within the CECC Syste
29、m for electronic components. 2 General 2.1 Related documents EN 130000Generic Specification: Fixed Capacitors EN 140000Generic Specification: Fixed Resistors EN 100114-1Rules of Procedure 14: Quality Assessment Procedures Part 1: Approval of manufacturers and other organizations prEN 100114-2:1996Ru
30、les of Procedure 14: Quality Assessment Procedures Part 2: CECC requirements for the qualification approval, the release for delivery and the validity of release of electronic components CECC 00114-3:1993Rules of Procedure 14: Quality Assessment Procedures Part 3: Capability approval of an electroni
31、c component manufacturing activity (with amendments 1, 2 and erratum) EN 60335-1Safety of household and similar electrical appliances Part 1: General requirements (IEC 335-1, modified) ECQAC 1220:1992ECQAC Policy on Uncertainty of Measurement ISO 497Guide of the choice of series of preferred numbers
32、 and of series containing more rounded values of preferred numbers ISO 1000SI units and recommendations for the use of their multiples and of certain other units IEC 27-1Letter symbols to be used in electrical technology Part 1: General IEC 50International Electrotechnical Vocabulary (IEV) IEC 60-2H
33、igh-voltage test techniques Part 1: General definitions and test requirements IEC 62Marking codes for resistors and capacitors IEC 63 Amendment 1 (1967) Amendment 2 (1977) Preferred number series for resistors and capacitors IEC 68Environmental testing IEC 68-1:1988 Amendment 1 (1992) Part 1: Genera
34、l Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:15:47 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 133000:1997 4 BSI 09-1999 NOTEThe above references apply to the current editions, except for IEC 68, for which the referenced edition must be used. 2.2 Units, symbols and terminology 2.2.1
35、 General Units, graphical symbols, letter symbols and terminology shall, wherever possible, be taken from the following publications: ISO Standard 1000 IEC 27 IEC 50 When further items are required they shall be derived in accordance with the principles of the documents listed above. IEC 68-2-1:1990
36、 Amendment 1 (1993) Amendment 2 (1994) Part 2: Tests Tests A: Cold IEC 68-2-2:1974 Amendment 1 (1993) Amendment 2 (1994) Part 2: Tests Tests B: Dry heat IEC 68-2-3:1985Part 2: Tests Test Ca: Damp heat, steady state IEC 68-2-6:1995Part 2: Tests Test Fc: Vibration (Sinusoidal) IEC 68-2-13:1983Part 2:
37、Tests Test M: Low air pressure IEC 68-2-14:1984 Amendment 1 (1986) Part 2: Tests Test N: Change of temperature IEC 68-2-17:1994Part 2: Tests Test Q: Sealing IEC 68-2-20:1979 Amendment 1 (1986) Amendment 2 (1987) Part 2: Tests Test T: Soldering IEC 68-2-21:1983 Amendment 1 (1985) Amendment 2 (1991) A
38、mendment 3 (1993) Part 2: Tests Test U: Robustness of terminations and integral mounting devices IEC 68-2-27:1987Part 2: Tests Test Ea: Shock IEC 68-2-29:1987Part 2: Tests Test Eb: Bump IEC 68-2-30:1980 Amendment 1 (1985) Part 2: Tests Test Db: Damp heat, cyclic (12 + 12 hour cycle) IEC 68-2-45:1980
39、 Amendment 1 (1993) Part 2: Tests Test XA and guidance Immersion in cleaning solvents IEC 68-2-47:1982Part 2: Tests Mounting of components, equipment and other articles for dynamic tests, including shock (Ea), bump (Eb), vibration (Fc and Fd) and steady-state acceleration (Ga) and guidance) IEC 85Th
40、ermal evaluation and classification of electrical insulation IEC 294Measurement of the dimensions of a cylindrical component having two axial terminations IEC 410Sampling plans and procedures for inspection by attributes IEC 695-2-2Fire hazard testing Part 2: Test methods, Needle flame test CISPR 17
41、:1981Methods of measurement of the suppression characteristics of passive radio interference filters and suppression components Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 10:15:47 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 133000:1997 BSI 09-19995 2.2.2 Type A group of components havi
42、ng similar design features and the similarity of whose manufacturing techniques enables them to be grouped together either for qualification approval or for quality conformance inspection. They are generally covered by a single detail specification. NOTEComponents described in several detail specifi
43、cations may, in some cases, be considered as belonging to the same type and may therefore be grouped together for approval and quality conformance inspection. 2.2.3 Style A sub-division of a type, generally based on dimensional factors. A style may include several variants, generally of a mechanical
44、 order. 2.2.4 Electromagnetic interference suppression filter unit (filter) Radio interference suppression filter unit An 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
45、, or other sources. 2.2.5 rated voltage (UR) the rated voltage is either the 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 category temperature an
46、d the rated temperature 2.2.6 category voltage (UC) the maximum voltage which may be applied to a filter at its upper category temperature 2.2.7 lower category temperature the minimum ambient temperature for which the filter has been designed to operate continuously 2.2.8 upper category temperature
47、the maximum ambient temperature for which the filter unit has been designed to operate continuously 2.2.9 rated temperature the maximum ambient temperature at which a filter can carry its rated current 2.2.10 rated current the maximum r.m.s. operating current at rated frequency or maximum d.c. opera
48、ting current which allows continuous operation of the filter at the rated temperature. It is assigned by the manufacturer for one or both of the following conditions: a) free air (IRO) b) with a specified heat sink (IRH) 2.2.11 rated capacitance (CR) the capacitance value for which a capacitor has b
49、een designed and which may be indicated upon it 2.2.12 rated inductance (LR) the inductance value for which the inductor has been designed and which may be indicated upon it 2.2.13 Insertion loss The ratio of the voltage before and after the insertion of the filter in the circuit as measured at the terminations. The insertion loss can be measured either with a symmetrical or an asymmetrical test circuit. NOTEIt is normally expressed in decibels, when the insertion loss is 20 times the logarithm to base 10 of this ra
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