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    BS EN 60512-12-7-2001 Electromechanical components for electronic equipment - Basic testing procedures and measuring methods - Soldering tests - Test 12g - Solderability wetting ba.pdf

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    BS EN 60512-12-7-2001 Electromechanical components for electronic equipment - Basic testing procedures and measuring methods - Soldering tests - Test 12g - Solderability wetting ba.pdf

    1、BRITISH STANDARD BS EN 60512-12-7: 2001 IEC 60512-12-7: 2001 Connectors for electronic equipment Tests and measurements Part 12-7: Soldering tests Test 12g: Solderability, wetting balance method The European Standard EN 60512-12-7:2001 has the status of a British Standard ICS 29.120.20 NO COPYING WI

    2、THOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 60512-12-7:2001 This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 September 2001 BSI 08-2001

    3、 ISBN 0 580 38296 6 National foreword This British Standard is the official English language version of EN 60512-12-7:2001. It is identical with IEC 60512-12-7:2001. The UK participation in its preparation was entrusted by Technical Committee EPL/48, Electromechanical components for electronic equip

    4、ment, to Subcommittee EPL/48/2, Connectors for electronic equipment, which has the responsibility to: A list of organizations represented on this Subcommittee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For ins

    5、tance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references The British Standards which implement international or European publications referred to in

    6、 this document may be found in the BSI Standards Catalogue under the 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.

    7、Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretatio

    8、n, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5, and a back cover. The BSI copyright d

    9、ate displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEAN STANDARD EN 60512-12-7 NORME EUROPENNE EUROPISCHE NORM July 2001 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisati

    10、on Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60512-12-7:2001 E ICS 31.220 English version Conn

    11、ectors for electronic equipment - Tests and measurements Part 12-7: Soldering tests - Test 12g: Solderability, wetting balance method (IEC 60512-12-7:2001) Connecteurs pour quipements lectroniques - Essais et mesures Partie 12-7: Essais de soudure - Essai 12g: Soudabilit, mthode de la balance de mou

    12、illage (CEI 60512-12-7:2001) Steckverbinder fr elektronische Einrichtungen - Mess- und Prfverfahren Teil 12-7: Prfungen der Ltbarkeit - Prfung 12g: Ltbarkeit, Ltwaage- Verfahren (IEC 60512-12-7:2001) This European Standard was approved by CENELEC on 2001-05-01. CENELEC members are bound to comply wi

    13、th 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 Secretar

    14、iat 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

    15、official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EN 21506-12-7:1002 - 2 - F

    16、oreword The text of document 48B/975/FDIS, future edition 1 of IEC 60512-12-7, prepared by SC 48B, Connectors, of IEC TC 48, Electromechanical components and mechanical structures for electronic equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60512-12-7 on

    17、 2001-05-01. 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) 2002-02-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2004-05-

    18、01 Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is normative. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60512-12-7:2001 was approved by CENELEC as a European Standard without any modification

    19、. _ Page2 EN60512127:2001 BSI08200160512-12-7 IEC:2001 3 CONNECTORS FOR ELECTRONIC EQUIPMENT TESTS AND MEASUREMENTS Part 12-7: Soldering tests Test 12g: Solderability, wetting balance method 1 Scope and object This part of IEC 60512, when required by the detail specification, is to be used for testi

    20、ng connectors within the scope of IEC technical committee 48. This test may also be used for similar components when specified in a detail specification. The object of this test is to define a standard test method to assess the solderability of the terminations of a component designed for use with p

    21、rinted boards or for other applications using similar soldering techniques. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of IEC 60512. For dated references, subsequent amendments to, or revisions

    22、 of, any of these publications do not apply. However, parties to agreements based on this part of IEC 60512 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative docum

    23、ent referred to applies. Members of IEC and ISO maintain registers of currently valid International Standards. IEC 60068-2-20:1979, Environmental testing - Part 2-20: Tests - Test T: Soldering IEC 60068-2-54:1985, Environmental testing - Part 2-54: Tests - Test Ta: Soldering Solderability testing by

    24、 the wetting balance method 3 Preparation of the specimen The specimen shall consist of a single termination of a component. Unless otherwise specified in the detail specification, the terminations may not be cleaned or degreased prior to the application of the solderability test. Care should be tak

    25、en not to touch or otherwise contaminate the terminations to be tested. 4 Procedure The test shall be carried out in accordance with test Ta of IEC 60068-2-54. Page3 EN60512127:2001 BSI08200160512-12-7 IEC:2001 4 4.1 Accelerated ageing If accelerated ageing prior to testing solderability is to be ap

    26、plied, one of the ageing procedures detailed in 4.5 of IEC 60068-2-20 shall be prescribed in the detail specification. 4.2 Flux Non-activated flux as specified in Appendix C of IEC 60068-2-20 shall be used. Activation with diethylammonium is not permitted. 5 Final measurement Recording of the force-

    27、time curve. 6 Requirements The acceptabIe values of the different parameters prescribed in the detail specification shall be fulfilled. 7 Details to be specified When this test is required by the detail specification, the following details shall be specified: a) preparation of the specimen, if devia

    28、ting from clause 3; b) accelerated ageing method, according to 4.1; c) immersion depth; d) duration of immersion; e) number of specimens to be tested; f) minimum wetting force; g) time interval for the minimum wetting force; h) further parameters from the force-time curve and their acceptable values

    29、, if required; i) any deviation from the standard test method. _ Page4 EN60512127:2001 BSI082001- 3 - EN 21506-12-7:1002 Annex ZA (normative) Normative references to international publications with their corresponding European publications This European Standard incorporates by dated or undated refe

    30、rence, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorpor

    31、ated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD

    32、 Year IEC 60068-2-20 1979 Basic environmental testing procedures Part 2: Tests - Test T: Soldering HD 323.2.20 S3 1) 1988 IEC 60068-2-54 1985 Part 2: Tests - Test TA: Soldering - Solderability testing by the wetting balance method HD 323.2.54 S1 19871)HD 323.2.20 S3 includes A2:1987 to IEC 60068-2-2

    33、0. Page5 EN60512127:2001 BSI082001BS EN 60512-12-7: 2001 IEC 60512-12-7: 2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the interna

    34、tional level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We

    35、would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual u

    36、pdating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. Standards are als

    37、o available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of informati

    38、on on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996

    39、7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Further information about BSI is a

    40、vailable on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be repro

    41、duced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size,

    42、type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.


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