1、BRITISH STANDARD BS EN 134104:1995 Specification for Harmonized system ofquality assessment for electronic components Blankdetail specification Compression type trimmer capacitors (Qualification approval) The European Standard EN134104:1995 has the status of a BritishStandard.BSEN134104:1995 BSI03-2
2、000 ISBN 0 580 35974 3 Committees responsible for this BritishStandard The preparation of this BritishStandard was entrusted by Technical Committee EPL/40, Capacitors and resistors for electronic equipment, to Subcommittee EPL/40/1, Capacitors and EMI suppression components for electronic equipment,
3、 upon which the following bodies were represented: Federation of the Electronics Industry Ministry of Defence National Supervising Inspectorate (BSI PC) Society of British Aerospace Companies Ltd. Amendments issued since publication Amd. No. Date CommentsBSEN134104:1995 BSI 03-2000 i Contents Page C
4、ommittees responsible Inside front cover National foreword ii Foreword 2 Text of EN134104 5BSEN134104:1995 ii BSI 03-2000 National foreword This BritishStandard has been prepared by Subcommittee EPL/40/1 and is the English language version of EN134104:1995: Blank detail specification: Compression ty
5、pe trimmer capacitors (Qualification approval), published by the Electronic Components Committee (CECC) of the European Committee for Electrotechnical Standardization (CENELEC). This standard lists the ratings, characteristics and inspection requirements which shall be included as mandatory requirem
6、ents in any detail specification for this type of capacitor. Detail specifications shall conform to the requirements of this blank detail specification and BS CECC00111 Rule of Procedure11. Specifications Part4:1991 Regulations for CECC detail specifications. The BritishStandard which implements the
7、 CECC Rules of Procedure is BS9000 General requirements for a system for electronic components of assessed quality Part2:1991 Specification for the national implementation of the CECC system. A British Standard does not purport to include all the necessary provisions of a contract. Users of British
8、Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred to Corresponding BritishStandard EN134000:1994 BS EN134000:1995 aHarmonized system of quality assessment for el
9、ectronic components. Generic specification: Variable capacitors (Qualification approval and capability approval) BS5786: Variable capacitors IEC418-1 BS5786-1:1979: Methods of test a In preparation Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, theEN tit
10、le page, pages2 to12 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN134104 August1995 Descriptors: Quality, ele
11、ctronic components, capacitors English version Blank Detail Specification: Compression type trimmer capacitors (Qualification approval) Spcification particulire cadre: Condensateurs ajustables de type decompression (Homologation) Vordruck fr Bauartspezifikation: Einstellquetsch-Kondensatoren (Bauart
12、anerkennung) This European Standard was approved on1993-07-29. 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
13、 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 CEN
14、ELEC 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, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norwa
15、y, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1995 Copyright reserved
16、 to CENELEC members Ref. No. EN134104:1995 EEN134104:1995 BSI 03-2000 2 Foreword This European Standard was prepared by Working Group CLC/TC CECC/WG3. It is based, wherever possible, on the Publications of the International Electrotechnical Commission, and in particular on IEC418, Variable capacitor
17、s. The text of the draft based on document CECC(Secretariat)3101 was submitted to the formal vote; together with the voting report, circulated as document CECC(Secretariat)3381, it was approved as EN134104 on1993-07-29. The following dates were fixed: Contents Page Foreword 2 1 General data 5 1.1 Me
18、thods of mounting 5 1.2 Dimensions 5 1.3 Ratings and characteristics 5 1.4 Related documents 5 1.5 Marking 5 1.6 Ordering information 6 1.7 Certified test records of released lots 6 1.8 Additional information 6 1.9 Additional or increased severities or requirements to those specified in the generic
19、and/or sectional specification 6 2 Inspection requirements 6 2.1 Procedures 6 Table 1 5 Table 2 Capacitance Values and Ratings 5 Table 3 Other characteristics 6 Table 4A Test schedule for lot-by-lot quality conformance inspection (Groups A and B) Assessment level E 7 Table 4B Test schedule for perio
20、dic quality conformance inspection (Group C) AssessmentlevelE 8 latest date by which the ENhas to be implemented at national level by publication of an identical national standard or by endorsement (dop)1995-11-30 latest date by which the national standards conflicting with the EN haveto be withdraw
21、n (dow)2003-11-30EN134104:1995 BSI 03-2000 3 Identification of the detail specification and the component The page 4 of the detail specification should have the layout recommended on the page 4 of this blank detail specification. The numbers in square brackets correspond to the following information
22、 which shall be inserted at the position indicated: 1 The name of the National Standards Organization under whose authority the detail specification is published and, if applicable, the organization from whom the detail specification is available 2 The CECC symbol and number allotted to the detail s
23、pecification by the CECC General Secretariat 3 The number and issue number of the CECC generic and sectional specification as relevant; also national reference if different 4 If different from the CECC number, the national number of the detail specification, date of issue and any further information
24、 required by the national system, together with any amendment numbers 5 A brief description of the component or range of components 6 Information on typical construction, when applicable For 5 and 6 the text to be given in the detail specification should be suitable for an entry in CECC00200 (Regist
25、er of Approvals) and CECC00300 (Library List). 7 An outline drawing with main dimensions which are of importance for interchangeability and/or reference to the appropriate national or international document for outlines. Alternatively the drawing may be given in an annex to the detail specification
26、but 7 should always contain an illustration of the general outer appearance of the component 8 The level(s) of quality assessment covered by the detail specification 9 Reference data giving information on the most important properties of the component which allow comparison between the various compo
27、nent types intended for the same, or for similar, applications.EN134104:1995 4 BSI 03-2000 Recommended layout for page 4 of a detail specification Specification available from: CECC34104 . . . 1 2 ELECTRONIC COMPONENTS OF ASSESSED QUALITY DETAIL SPECIFICATION IN ACCORDANCE WITH: 4 3 Outline and dime
28、nsions: (first angle projection) 7 VARIABLE CAPACITOR: COMPRESSION TYPE TRIMMER CAPACITOR 5 TYPICAL CONSTRUCTION: 6 ASSESSMENT LEVEL: E 8 QUICK REFERENCE DATA: Rated maximum capacitance range, rated minimum capacitance range, d.c. rated voltage range, climatic category, temperature coefficient of ca
29、pacitance 9 Information about manufacturers who have components qualified to this detail specification is available in the current CECC00200: Register of Firms, Products and Services Approved under the CECC System (Register of Approvals).EN134104:1995 BSI 03-2000 5 1 General data 1.1 Methods of moun
30、ting See1.3.2 of EN134100. 1.2 Dimensions Table 1 1.3 Ratings and characteristics Table 2 Capacitance Values and Ratings 1.4 Related documents 1.5 Marking The marking of the capacitor, if any, and the packing shall be in accordance with1.5 of EN134100. NOTEThe details of the marking of the component
31、 and packing shall be given in full in the detail specification. Case size reference Dimensions (in mm) L W H D d . . . . . . NOTE 1When there is only one case size reference,Table 1 may be omitted and the dimensions given in the outline drawing. NOTE 2The dimensions shall be given as maximum dimens
32、ions or as nominal dimensions with a tolerance. Maximum capacitance range (see Table 2) Minimum capacitance range (see Table 2) Capacitance law (if applicable) Rated voltage (see Table 2) Climatic category Rated temperature Insulation resistance Temperature coefficient of capacitance !:. . .10 6 / C
33、 Operating torque Locking torque (if applicable) Capacitance drift after setting Manufacturers Type No Min cap (max) pF Max cap (min) pF Cap swing pF Temp coeff 10 6 / C Rated voltage V d.c. Proof voltage V d.c. Colour code Generic specification : EN134000 Sectional specification : EN134100EN134104:
34、1995 6 BSI 03-2000 1.6 Ordering information Orders for capacitors covered by this specification shall contain in clear or in coded form, the following minimum information: 1) Manufacturers type number 2) Rated voltage 3) Rated minimum and maximum capacitance 4) Number and issue reference of the deta
35、il specification. 1.7 Certified test records of released lots Required/not required. 1.8 Additional information (not for inspection purposes) 1.9 Additional or increased severities or requirements to those specified in the generic and/or sectional specification NOTEAdditional or increased requiremen
36、ts should be specified only when essential. Table 3 Other characteristics 2 Inspection requirements 2.1 Procedures 2.1.1 For Qualification Approval procedures shall be in accordance with3.4 of EN134100. 2.1.2 For Quality Conformance Inspection the test schedule Table 4 includes sampling, periodicity
37、, severities and requirements. The formation of inspection lots is covered by3.5.1 of EN134100. This table is to be used for defining characteristics which are additional to or more severe than those given in the sectional specificationEN134104:1995 BSI 03-2000 7 Table 4A Test schedule for lot-by-lo
38、t quality conformance inspection (Groups A and B) Assessment level E NOTES seeend of table Clause number and test 1) Conditions of test 1) IL AQL % Performance requirements 1) 2) Group A1 5) Non-destructive S4 2,5 4.2 4.2 4.2 Visual examination Marking Dimensions (gauging) No visible damage Marking
39、legible and as specified in1.5 of this specification As specified inTable 1 or outline drawing of this specification Group A2 5) Non-destructive II 1,0 4.3.10 4.3.3 4.3.2 4.3.4 Voltage proof Minimum capacitance Maximum capacitance Capacitance law 3) Voltage:2 U R Duration:2s Applied between rotor an
40、d stator Rotor setting: max capacitance Frequency:1MHz Frequency:1MHz Specify measuring angles No breakdown or flashover SeeTable 2 of this specification SeeTable 2 of this specification Within limits specified in1.3 of this specification Group A3 5) Non-destructive I 1,5 4.3.9 4.3.11 4.3.12 4.3.8 R
41、otor contact resistance 3) Tangent of loss angle or Quality factor Insulation resistance Frequency:1MHz Frequency:. . .MHz Voltage applied between rotor and stator With in limits specified in1.3 of this specification With in limits specified in1.3 of this specification With in limits specified in1.3
42、 of this specification Group A4 5) Non-destructive S4 4,0 4.4 4.8 4.9 4.3.5 Operating torque Thrust and pull (axial)3 ) Side thrust3 ) Capacitance drift after setting Specify initial setting and number and direction of turns Thrust:. . . N Thrust:. . . N Frequency:1MHz With in limits specified in1.3
43、 of this specification No visible damage within limits specified in1.3 of this specification No visible damage within limits specified in1.3 of this specification With in limits specified in1.3 of this specificationEN134104:1995 8 BSI 03-2000Table 4A Test schedule for lot-by-lot quality conformance
44、inspection (Groups A and B) Assessment level E Table 4B Test schedule for periodic quality conformance inspection (Group C) Assessment level E Clause number and test 1) Conditions of test 1) IL AQL% Performance requirements 1) 2) Group B1 Destructive S4 4,0 4.11 Solderability4) Method:. . . Methods1
45、 and2: Good tinning Method3: 3s NOTES 1. Subclause numbers of test and performance requirements refer to EN134100 Section4: Test and measurement procedures. 2. Inspection Levels IL and Acceptable Quality Levels AQL are selected from IEC410. 3. If required in the detail specification. 4. The solderab
46、ility test of Group B1 is not applicable to capacitors with screw terminations or capacitors designated in the detail specification as having terminations not intended for soldering. Capacitors which have been submitted to the tests of Group B1 may be released provided that they have not been submit
47、ted to ageing and are re-submitted to the tests of Group A and pass those tests. It is permitted to submit electrically defective capacitors or detached terminations to the tests of Group B1 provided they have been submitted to the same process treatments as a completed capacitor. 5. If APA applies,
48、 non-conforming items shall be recorded. For further information see3.10 of EN134000. NOTES seeend of table Clause number and test 1) Conditions of test 1) p n c Performance requirements 1) 2) GroupC1A Destructive 6 9 1: 4.2 4.3.1 4.10 4.10.1 4.12 4.12.1 4.13 Dimensions (detail) Initial measurement
49、Robustness of terminations Intermediate inspection Resistance to soldering heat 4) Intermediate inspection Component solvent resistance 4) Final measurements Capacitance at max capacitance setting Method:. . . 3) Severity:. . . 3) Visual examination Pre-drying 4) Method:. . . 3) (1A or1B) Visual examination Visual examination Capacitance, setting not to be moved : : : : : : : : : : : : : : : : : : : : : : : : : : : : As specified inTable 1 or outline drawing of this specification Re
