EN 60512-12-2-2006 en Connectors for electronic equipment - Tests and measurements Part 12-2 Soldering tests - Test 12b Solderability wetting soldering iron method (Incorporating c.pdf

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1、BRITISH STANDARDBS EN 60512-12-2: 2006Incorporating corrigendum no. 1Connectors for electronic equipment Tests and measurements Part 12-2: Soldering tests Test 12b: Solderability, wetting, soldering iron methodThe European Standard EN 60512-12-2:2006 has the status of a British StandardICS 31.220.10

2、g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 60512-12-2:2006This British Standard was published under the authority of the Standards Policy

3、 and Strategy Committee on 28 April 2006 BSI 2007ISBN 0 580 48119 0National forewordThis British Standard was published by BSI. It is the UK implementation of EN 60512-12-2:2006, incorporating corrigendum December 2006. It is identical with IEC 60512-12-2:2006.The UK participation in its preparation

4、 was entrusted to Technical Committee EPL/48, Electromechanical components and mechanical structures for electronic equipment.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of

5、 a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date Comments16987 Corrigendum No. 130 March 2007 Addition of Annex ZAEUROPEAN STANDARD EN 60512-12-2 NORME EUR

6、OPENNE EUROPISCHE NORM March 2006 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 2006 CENELEC - All rights of exploitation in a

7、ny form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60512-12-2:2006 E ICS 31.220.10 English version Connectors for electronic equipment - Tests and measurements Part 12-2: Soldering tests - Test 12b: Solderability, wetting, soldering iron method (IEC 60512-12-2:2006) Connect

8、eurs pour quipements lectroniques - Essais et mesures Partie 12-2: Essais de soudure - Essai 12b: Soudabilt, mouillage, mthode du fer souder (CEI 60512-12-2:2006) Steckverbinder fr elektronische Einrichtungen - Mess- und Prfverfahren Teil 12-2: Prfungen der Ltbarkeit - Prfung 12b: Ltbarkeit, Ltkolbe

9、nverfahren (IEC 60512-12-2:2006) This European Standard was approved by CENELEC on 2006-03-01. 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-t

10、o-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 u

11、nder 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, the Czech Republic, Denmark, Estonia, Finland, France, Ger

12、many, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Incorporating corrigendum December 2006 2 Foreword The text of document 48B/1577/FDIS, futu

13、re edition 1 of IEC 60512-12-2, 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 60512-12-2 on 2006-03-01. This standard is to be read in con

14、junction with EN 60512-1 and EN 60512-1-100 which explains the structure of the EN 60512 series. 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) 2006-12-01 latest date by whic

15、h the national standards conflicting with the EN have to be withdrawn (dow) 2009-03-01 _ Endorsement notice The text of the International Standard IEC 60512-12-2:2006 was approved by CENELEC as a European Standard without any modification. _ EN 60512-12-2:2006Annex ZA has been added by CENELEC. 3 CO

16、NNECTORS FOR ELECTRONIC EQUIPMENT TESTS AND MEASUREMENTS Part 12-2: Soldering tests Test 12b: Solderability, wetting, soldering iron method 1 Scope and object This part of IEC 60512, when required by the detail specification, is used for testing connectors within the scope of IEC technical committee

17、 48. It may also be used for similar devices when specified in a detail specification. The object of this part of IEC 60512 is to detail a standard test method to assess the solderability of the terminations of a connector that are designed to be soldered with a soldering iron and the soldering bath

18、 test method of IEC 60512-12-1 is not appropriate. 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

19、any amendments) applies. IEC 60068-2-20:1979, Environmental testing Part 2: Tests. Test T: Soldering Amendment 2 (1987) IEC 60512-1-1, Connectors for electronic equipment Tests and measurements Part 1-1: General examination Test 1a: Visual examination 3 Preparations 3.1 Equipment A soldering iron wh

20、ose working surface is at 350 C, according to 4.7 of IEC 60068-2-20:1979 shall be provided. The size of this iron shall be that given in the detail specification. Non-activated flux as specified in 4.6.2 of IEC 60068-2-20:1979 shall be provided. 3.2 Preparation of specimen The specimen shall consist

21、 of a connector with its terminations. Unless otherwise specified in the detail specification, the terminations shall not be cleaned or degreased prior to the application of the solderability test. NOTE Care should be taken not to touch or otherwise contaminate the terminations to be tested. 3.3 Con

22、ditioning If accelerated ageing before testing solderability is to be applied, the ageing shall be done according to 4.5.3 of IEC 60068-2-20:1979, unless otherwise required by the detail specification. NOTE This is a period of 16 h at 155 C temperature according to 4.5.3 of IEC 60068-2-20:1979. EN 6

23、0512-12-2:2006 4 4 Method 4.1 Procedure The test shall be carried out in accordance with 4.7 of IEC 60068-2-20:1979, unless otherwise stated in the product detail specification. NOTE Soldering iron at 350 C 10 C, iron and solder applied to the termination for 2 s to 3 s; according to 4.5.3 of IEC 60

24、068-2-20:1979. 4.2 Measurements 4.2.1 Initial measurements Visual examination according to IEC 60512-1-1 shall be done. There shall be no defects, which would impair the validity of the test. 4.2.2 Final measurements Visual examination according to IEC 60512-1-1 shall be done. The soldered surface(s

25、) shall be examined at 10 magnifications. A surface shall be considered solderable if 95 % of the solderable area is covered with a smooth, bright, uniform coating of adherent solder. The remaining 5 % of the surface may show pinholes, voids, grainy surface or de-wetting areas, provided such defects

26、 are not concentrated in one area. It follows that if more than 5 % of the relevant surface(s) shows defects as described above, the surface is not considered solderable. There shall be no droplets or runs. NOTE These requirements are not in conflict with IEC 60068-2-20 but are additional and provid

27、e clarification. Record the number of specimens that exhibit less than 5 % of de-wetted or defective surface, and the number that exhibit 5 % or greater, de-wetted or defective surface. Also record any instances of droplets or runs. 5 Details to be specified When this test is required by a detail sp

28、ecification, the following shall be given therein: a) the areas of the specimen, which are to be considered as relevant for solderability testing; b) any preparation of the specimen if other than that in Clause 3; c) if pre-ageing is required; d) size of iron to be used (A or B); e) if the (preferre

29、d) requirements as detailed under 3.3 and 4.1 are not to be used, other requirements shall be given in the detail specification; e.g. higher temperatures than 350 C may be specified; f) any deviation from the standard test method. _ EN 60512-12-2:2006Annex ZA (normative) Normative references to inte

30、rnational 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

31、amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60068-2-20 + A2 1979 1987 Environmental testing Part 2: Tests - Test T: Soldering HD 323.2.20 S3 1988 IEC 60512

32、-1-1 -1)Connectors for electronic equipment - Tests and measurements Part 1-1: General examination - Test 1a: Visual examination EN 60512-1-1 20022)_ 1)Undated reference. 2)Valid edition at date of issue. 5 EN 60512-12-2:2006BS EN 60512-12-2:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Stand

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