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1、BRITISH STANDARD BS 9526 N0002:1979 Specification for Multi-contact edge socket electrical connectors Single or double sided, open ended, metal fixing flanges, guide key location, replaceable contacts, through-board solder or wire wrap terminations Full assessment level UDC 621.315.683 Licensed Copy
2、: London South Bank University, London South Bank University, Fri Dec 08 04:30:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9526 N0002:1979 BSI 10-1999 Committee reference ECL/21 ISBN 0 580 10744 2 A British Standard does not purport to include all the necessary provisions of a contract. Users o
3、f British Standards are responsible for their correct application. 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, pages 1 to 26 and a back cover. This standar
4、d 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. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 04
5、:30:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9526 N0002:1979 BSI 10-1999i Contents Page 1Pattern number1 2Related documents1 3Description of component and intended application1 4Marking of the connector and package2 5Ordering information2 6Outline drawings3 7Ratings3 8Characteristics4 9Certi
6、fied test records4 10Additional information4 11Quality assessment procedure4 12Inspection requirements5 Appendix A Outline drawings12 Appendix B Table of preferred specimens in minimum quantities for group D tests21 Appendix C Method of test for termination torsion23 Appendix D Method of test for gu
7、ide key retention24 Appendix E Method of test for static load (mating)25 Appendix F Method of test for moulding strength26 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 04:30:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: London South Ba
8、nk University, London South Bank University, Fri Dec 08 04:30:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9526 N0002:1979 BSI 10-19991 This specification shall be read in conjunction with BS 9520. 1 Pattern number The specification number without the letters BS is used as the pattern number. Th
9、is range of connectors is known as pattern 9526 N0002. 2 Related documents BS 6001, Sampling procedures and tables for inspection by attributes. BS 9000, General requirements for electronic components of assessed quality. BS 9520, Electrical connectors of assessed quality for frequencies below 3 MHz
10、: generic data and methods of test. BS 9526, Rules for the preparation of detail specifications for electrical edge socket connectors of assessed quality Full and basic assessment levels. PD 9002 BS 9000 component selection guide 3 Description of component and intended application Multi-contact edge
11、 socket connectors with 2.54 mm contact spacing open ends and metal fixing flanges fitted. Intended for use with single or double sided printed boards of 1.42 mm to 1.80 mm thickness. The connectors are available in sizes up to a maximum of 85 contacts per side. Front or rear removable/replaceable c
12、ontacts are available in the connector range with front or rear release for each direction of removal. Replacement contacts, keys and metal fixing flanges used with this range of connectors shall be identical with the originals. The method of contact removal and replacement and the tools required wi
13、ll depend upon the design of individual connectors. The mandatory method of location is by a guide key which replaces an opposite pair of contacts, and one such key shall be provided per connector (see clause 10). ELECTRONIC COMPONENTS OF ASSESSED QUALITY DETAIL SPECIFICATION IN ACCORDANCE WITH BS 9
14、520 MANUFACTURERS TYPE NUMBER See PD 9002 For order information see clause 5 TYPICAL CONNECTORMULTI-CONTACT EDGE SOCKET ELECTRICAL CONNECTORS SINGLE OR DOUBLE SIDED, OPEN ENDED WITH METAL FIXING FLANGES, GUIDE KEY LOCATION REPLACEABLE CONTACTS AND THROUGH BOARD SOLDER OR WIRE WRAP TERMINATIONS ENVIR
15、ONMENTAL CATEGORY 55/125/21 FULL ASSESSMENT LEVEL For marking information, see clause 4. For outline drawings see A.1 and A.2. Refer to Qualified Products List PD 9002 for details of manufacturers approved to this specification. Licensed Copy: London South Bank University, London South Bank Universi
16、ty, Fri Dec 08 04:30:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9526 N0002:1979 2 BSI 10-1999 The establishment of all safety factors concerning the use of these connectors is the responsibility of the user. 4 Marking of the connector and package The marking shall be in accordance with 1.1.6 o
17、f BS 9520. The individual reference number required by 1.1.6 3) of BS 9520 consists of abbreviations to identify individual connectors as follows: Packaging shall include the manufacturers assembly and contact replacement instructions. Full instructions for the removal and replacement of contacts an
18、d keys shall be provided by the manufacturer. Packages of replacement parts shall include an outline drawing showing salient dimensions. 5 Ordering information The following information shall be given when ordering parts to this specification: a) The number of this detail specification, i.e. BS 9526
19、 N0002, Issue 1. b) The individual (type) reference number as described in clause 4 of this detail specification. Style number:As shown in A.2 of this specification. This is the control drawing number with the prefix “CC/” deleted. Number of ways:Digits denoting the number of contacts along one side
20、 of the connector. Single or double-sided and active contact row: A = single-sided, side A active, single row of terminations B = single-sided, side B active, single row of terminations E = single-sided, side A active, double row of terminations F = single-sided, side B active, double row of termina
21、tions D = double-sided, both sides active Terminations style:S = solder for wire W = wire wrap T = through-board solder, short spill L = through-board solder, long spill X = through-board solder, extra long spill Contact finish:A = hard acid gold alloy Contact removal/replacement system: A = rear re
22、lease/front removable contacts B = rear release/rear removable contacts C = front release/front removable contacts D = front release/rear removable contacts Variant:Digits identifying an individual connector, parts and associated tools for replacement purposes. As in BS 9002. Example reference numbe
23、r:S 6001 85 D S A B XX Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 04:30:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9526 N0002:1979 BSI 10-19993 c) Details of marking which may be required in addition to that specified in clause 4 of this detail specif
24、ication. d) Details of any requirements, e.g. contact omission plans, additional contacts or keys, etc. 6 Outline drawings See Appendix A of this specification for the following: A.1 Outline dimensions, mass, board piercing and panel cut-out details A.2 Termination styles and dimensions A.3 Printed
25、board layout edge dimensions and guide key applications A.4 Assessment board details and dimensions A.5 Gauges NOTEOutline drawings include a cross-reference to the relevant National Supervising Inspectorate control drawings. 7 Ratings 7.1 Electrical 7.1.1 Current a) Maximum current per individual c
26、ontact (in isolation)1): at 25 C ambient temperature: 3 A at 85 C ambient temperature: 1.5 A b) Maximum current per contact through all contacts simultaneously: at 25 C ambient temperature: 1.5 A at 85 C ambient temperature: 1.0 A The performance of any connector listed in this specification shall a
27、t all times exceed the maximum continuous rating of the appropriate printed board and the bunched rating of the appropriate wire or cable of equivalent temperature rating, and this rating shall be the determining factor. 7.1.2 Voltage 7.2 Environmental 1) i.e. when only one contact per connector is
28、electrically loaded. See level 1 013 mbara 8 500 m 300 mbar Working voltageb (nominal) d.c. or a.c. peak 350250 Voltage proof d.c. or a.c. peak1 050500 a 1 mbar = 102 N/m2= 100 Pa. b Establishment of electrical safety factors is the responsibility of the user. Environmental classification55/125/21 L
29、ow air pressure severity300 mbar Vibration severitya10 Hz to 500 Hz, 0.75 mm/10gn, Duration 6 h Shock severityNA Acceleration severityNA Bump severity390 m/s2(40gn) 1 000 10 bumps a The vibration test is carried out using an assessment board (see A.4 of this specification). In practice, the vibratio
30、n performance will vary with the size and weight of board used, and also with the method of mounting the connector. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 04:30:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9526 N0002:1979 4 BSI 10-1999 7.3 Endurance
31、 8 Characteristics 8.1 Connector range (See A.1 and A.2 of this specification) 8.2 Electrical 8.3 Mechanical 8.4 Fluid resistance. The connectors are resistant to the following fluids listed in Appendix E of BS 9520: isopropanol, 1,1,2-trichloro trifluoroethane, 1,1,1-trichlorethane, and trichloreth
32、ylene 9 Certified test records Certified test records (CTRs) shall be prepared in accordance with 1.1.11 of BS 9520. 10 Additional information 10.1 Guide keys (locating). It is possible for mismatching to occur with this range of connectors and the mating printed boards at extremes of tolerance unde
33、r the application of practical tolerancing, unless guide keys are used. Where practicable, guide keys should be situated near the centre of the connector. 10.2 Guide keys (polarizing). Polarization is effected by additional guide keys fitted by the user as required in place of contacts (see A.3.2 of
34、 this specification). 11 Quality assessment procedure Group C tests need not be carried out for Qualification Approval or when subsequent group D tests are performed. Mechanicala250 operations High temperature, long term (current as in 7.1) 1 000 h at 85 C High temperature, short term (no electrical
35、 load) 250 h at 125 C a The mechanical endurance test is carried out using a gauge (see A.5 of this specification). Endurance with a printed board is critically dependent upon the preparation of the board particularly the leading edge, and also the type of plating used. Maximum contact resistance (i
36、nitially)15 m7 Maximum contact resistance (after conditioning)20 m7 Minimum insulation resistance (initially)100 000 M7 (method A) 1 000 M7 (method B) Minimum insulation resistance (hot and after conditioning)100 M7 (method B) Engaging and separating force, connectora2.8 N (0.63 lbf) max. per contac
37、t pair 0.2 N (0.045 lbf) min. per contact pair Contact retention (in insert) (moulding) Termination styles T, L, X and W20 N (4.50 lbf) min. Termination style S10 N (2.25 lbf) min. Contact holding force, gauge mass15.3 g Guide key (locating) retention10 N (2.25 lbf) Static load (mating)4 N (0.90 lbf
38、) per contact pair a These values should be multiplied by the number of contact pairs in a particular connector to obtain the total engaging and separating forces for that connector. Force values refer to the use of gauges. Licensed Copy: London South Bank University, London South Bank University, F
39、ri Dec 08 04:30:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9526 N0002:1979 BSI 10-19995 12 Inspection requirements Samples subjected to tests in subgroups marked “(D)” shall not be accepted for release under BS 9000 (see 2.6.5 of BS 9000-1). Unless otherwise specified, tests shall be performed
40、 at an ambient temperature of between 15 C and 35 C. Fitting and wiring of contacts shall be in accordance with the manufacturers instructions. Polytetrafluoroethylene (PTFE) extruded insulation equipment wire to BS G 210 shall be used. (To ensure that the wiring operation has been carried out satis
41、factorily, it is advisable to apply insulation resistance and contact resistance tests.) InspectionBS 9520 reference and conditions of testRequirements as in BS 9520 Group ATo be applied on a sampling basis lot-by-lot except subgroup A0 Subgroups A2 and A3 are not applicable Subgroup A0100 % inspect
42、ion Visual examination1.2.2(1)As in 1.2.2(1) Subgroup A1Inspection level S-3, AQL 1.5 % Visual examination1.2.2(2)As in 1.2.2(2) Subgroup A4Inspection level S-3, AQL 1.5 % Voltage proof1.2.4.4Method A or B. Unmated. Voltage as specified in 7.1.2 of this specification. Duration 5 s As in 1.2.4.4 Subg
43、roup A5 CTR information1.1.11The result of subgroup A1 shall be reported as attributes information Group BTo be applied on a sampling basis lot-by-lot Subgroups B3 to B7 are not applicable Connectors shall have contacts fitted and wired as required for tests Subgroup B1Inspection level S-4, AQL 1.5
44、% Insulation resistance Engaging and separating force, connector 1.2.4.3 1.2.5.2 Method A or B (500 50 V) Forces as specified in 8.3 of this specification using gauges as prescribed in A.5 of this specification 1 000 M7 min. As in 1.2.5.2 Contact holding force1.2.5.8With 10 sizings and using gauges
45、as prescribed in A.5 of this specification As in 1.2.5.8 Subgroup B2 (D)Inspection level S-4, AQL 4 % Specimens from subgroup B.1 may be used Solderinga1.2.6.6Method 1 Recovery period 1 h Satisfactory tinning. No loosening of parts or other damage such as would impair performance Contact resistance1
46、.2.4.1(1) Using gauges as prescribed in A.5 of this specification 15 m7 max. a Applicable only to connectors having terminations intended to be soldered. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 04:30:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 9526
47、N0002:1979 6 BSI 10-1999 InspectionBS 9520 reference and conditions of testRequirements as in BS 9520 Subgroup B8 CTR information1.1.11Results from the tests in subgroups B1 and B2 shall be reported as attributes information Group CTo be applied on a sampling basis at three-monthly intervals Subgrou
48、ps C2, C3 and C4 are not applicable The issue number of the manufacturing drawing shall be checked against that on the approval certificate Subgroup C1Inspection level S-3, AQL 4 % Dimensions, outline1.2.3.1In addition wire wrap and through-board termination positions shall be checked using the gaug
49、es prescribed in A.5 of this specification Dimensions as specified in A.1 and A.2 of this specification. The terminations shall accept the gauges Subgroup C5 (D)Inspection level S-3, AQL 4 % Mechanical endurance1.2.7.1250 operations at 15 operations per minute maximum, using gauges as prescribed in A.5 of this specification High temperature endurance 1.2.7.2250 h duration at 125 C. No electrical load and unmated During the conditioning the following measurements shall be made: Insulation resistance (hot) 1.2.4.3Method B (500 50 V) Unmated at 125 C. Meas
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