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    BS QC 960501-1992 Specification for harmonized system of quality assessment for electronic components Blank detail specification electromechanical switches for use in electronic eq.pdf

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    BS QC 960501-1992 Specification for harmonized system of quality assessment for electronic components Blank detail specification electromechanical switches for use in electronic eq.pdf

    1、BRITISH STANDARD BS QC 960501:1992 IEC1020-3-1: 1991 Specification for Harmonized system of quality assessment for electronic components Blankdetail specification Electromechanical switches for use in electronic equipment Blankdetailspecification for in-line package switchesBSQC960501:1992 BSI10-199

    2、9 ISBN 0 580 35645 0 Amendments issued since publication Amd. No. Date CommentsBSQC960501:1992 BSI 10-1999 i Contents Page National foreword ii Section 1. Blank detail specification Introduction 1 1 General data 3 2 Inspection requirements 4 Table 1 Test schedule for lot-by-lot inspection 5 Table 2

    3、Test schedule for periodic inspections 6BSQC960501:1992 ii BSI 10-1999 National foreword This British Standard has been prepared under the direction of the Electronic Components Standards Policy Committee (ECL/-). It is identical with IEC1020-3-1:1991, (QC960501), “Electromechanical switches for use

    4、 in electronic equipment Part3: Sectional specification for in-line package switches Section1: Blank detail specification” published by the International Electrotechnical Commission (IEC) and is a harmonized specification in the IECQ System of quality assessment for electronic components. IEC1020-3-

    5、1 was prepared by IEC Sub-Committee48C: “Switches” of Technical Committee No.48: “Electromechanical components for electronic equipment” and the United Kingdom participation in the drafting was provided by Sub-Committee ECL/21/3 “Switches for electronic equipment” of Technical Committee ECL/21 “Elec

    6、tromechanical components for electronic equipment”. Scope. This standard lists the ratings, characteristics and inspection requirements which shall be included as mandatory requirements in accordance with BS QC960500 in any detail specifications for these components. The British Standard which imple

    7、ments the IECQ Rules of Procedure is BS9000 “General requirements for a system for electronic components of assessed quality” Part3:1991 “Specification for the national implementation of the IECQ system.” A British Standard does not purport to include all the necessary provisions of a contract. User

    8、s of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references International Standard Corresponding British Standard IEC68 BS2011 Environmental testing IEC68-1:1988 BS2011-1.1:1989 G

    9、eneral and guidance (Identical) IEC1020-1:1991 BS QC960000:1992. Electromechanical switches for use in electronic equipment. Part1: Generic specification (Identical) IEC1020-3:1991 BS QC960500:1992. Electromechanical switches for use in electronic equipment. Part2: Sectional specification for in-lin

    10、e package switches (Identical) Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 to6 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

    11、inside front cover.BSQC960501:1992 BSI 10-1999 1 Section 1. Blank detail specification Introduction A blank detail specification is a supplementary document to the sectional specification and contains requirements for style, lay-out and minimum content of detail specifications. Detail specifications

    12、 not complying with these requirements shall not be considered as being in accordance with the IECQ System nor shall they so be described. The complete requirements for the switches described herein shall correspond to this detail specification and the current issues of IEC1020-1 and IEC1020-3. In t

    13、he preparation of detail specifications, the content of1.5 of IEC1020-3, shall be taken into account. Pages2 through6 provide the framework for a detail specification which is completed by inserting the necessary information. The numbers between brackets on the first page correspond to the following

    14、 information which shall be inserted in the position indicated. Identification of the detail specification 1 The International Electrotechnical Commission or the national standards organization under whose authority the detail specification is drafted. 2 The IEC or national standards number of the d

    15、etail specification, date of issue and any further information required by the national system. 3 The number and issue of the IEC or national generic specification. 4 The number and issue of the IEC blank detail specification. Identification of the switch 5 A short description of the type of in-line

    16、 package switch which shall include as a minimum the information needed for listing on the qualified products list. 6 A circuit diagram or short description of the electrical circuit(s). 7 Dimensions important for interchangeability. When space permits, the drawing may also include detailed dimensio

    17、ns. The drawing shall comply with1.5.1 of IEC1020-3. 8 Information on the typical construction (when applicable). 9 Assessment level. Ratings and characteristics 10 Basic characteristics of the switch. The appropriate information for the tests in IEC1020-1 and1020-3 shall be provided in1.2. Values s

    18、hall be stated for the following ratings and characteristics which are mandatory: contact resistance; electrical endurance; electrical ratings; voltage proof. Values shall be stated in 1.2 for the following characteristics when the following conditions exist (mandatory if applicable): low air pressu

    19、re when an altitude rating is declared; logic level endurance when a logic level rating is declared; low level endurance when a low level rating is declared; type of panel seal when a panel seal is declared; robustness of actuator; robustness of terminations; solderability when the terminals are dec

    20、lared to be solderable; resistance to soldering heat when the terminals are declared to be solderable.BSQC960501:1992 2 BSI 10-1999 1 Detail specification number 2 Generic specification number ELECTRONIC COMPONENTS OF ASSESSED QUALITY IN ACCORDANCE WITH: Blank detail specification number 4 3 Product

    21、 description 5 Outline drawing Maximum enclosure dimensions (angle of projection . ) 7 Electrical circuit 6 Constructional details 8 NOTE 1See figure P for full dimensional requirements. NOTE 2Dimensions are denoted as follows: NOTE 3For detail dimensions, see . NOTE 4Shape is optional within the sp

    22、ecified dimensions. Assessment level 9 Information on the availability of components qualified to this specification is given in the qualified products list. 0,0mm = 0,000in = -BSQC960501:1992 BSI 10-1999 3 1 General data 1.1 Dimensions (See7 on page1. It may be convenient for some of this informati

    23、on to be given in tabular presentation.) 1.2 Ratings and characteristics 1.2.1 Electrical ratings 1.2.2 Environmental ratings 1.2.3 Mechanical characteristics 1.2.4 Electrical characteristics 1.3 IEC switch type designation Switches covered by this detail specification shall be described by the foll

    24、owing in the order shown: a) the IEC publication number for this detail specification; b) (insert and describe additional categories as required). Power _V, _ A (insert values) Logic level (insert “5V,10mA” or “not applicable”) Low level (insert “30mV,10mA” or “not applicable”) Climatic category ./.

    25、/. (insert values in accordance with IEC68-1) Low air pressure (insert values of test voltage and air pressure or “not applicable”) Rapid change of temperature (insert “applicable” or “not applicable”) Salt mist (insert test duration or “not applicable”) Shock insert acceleration (. g) and duration

    26、or “notapplicable” Vibration (insert acceleration and frequency range or “not applicable”) Functional operation (insert special circuit and detent characteristics if applicable) Immersion in cleaning solvents (insert “applicable” or “not applicable”) Mass (insert maximum value if required) Operating

    27、 characteristics (insert values for the applicable force and/or for movement characteristics) Panel seal (insert type of seal according to4.14 of IEC1020-1 or “not applicable”) Robustness of: actuator (insert force or torque value) termination (insert “22.5 ” or “45 ” if applicable) Solderability (i

    28、nsert type of test according to4.13 of IEC1020-1 or “not applicable”) Capacitance (insert maximum value or “not applicable”) Contact bounce (insert maximum duration or “not applicable”) Contact disturbance (insert “applicable” or “not applicable”) Contact resistance (insert type) (insert “. 7 maximu

    29、m” or “not applicable”) Electrical overload (insert “applicable” or “not applicable”) Endurance electrical (insert test type) (insert cycles of operation and any other required test details) logic level (insert cycles of operation or “not applicable”) low level (insert cycles of operation or “not ap

    30、plicable”) mechanical (insert test type) (insert cycles of operation or “not applicable”) Insulation resistance (insert minimum resistance or “not applicable”) Voltage proof (insert value of test voltage)BSQC960501:1992 4 BSI 10-1999 Example of IEC type designation:1020-3-X (insertion) 1.4 Marking T

    31、he marking of the switch and package shall be in accordance with the requirements of2.5 of IEC1020-1. (Insert the details of marking on the switch and on the package, including any special marking requirements.) 1.5 Ordering information Orders for switches covered by this specification shall contain

    32、 the following information as a minimum: a) the applicable part number according to1.3; b) “in accordance with IEC1020-3-(X), (X) edition” (insert the number and edition of the detail specification); c) when Certified records of released lots are required, include “CERTIFIED RECORDS REQUIRED”. 1.6 C

    33、ertified records of released lots Insert the information required by3.5.1 of IEC1020-1. 1.7 Additional information (not for inspection purposes) 1.7.1 Safety considerations The user shall consider the suitability of the switch with regard to any safety requirements applicable to the equipment. 1.8 I

    34、ncreased severities or requirements which are additional to those specified in the generic and/or sectional specification NOTEAdditional or increased requirements should be specified only when essential. 1.9 Common features 2 Inspection requirements 2.1 Structurally similar devices Insert principles

    35、 of structural similarity for the type covered. 2.2 Pre-conditioning 2.3 Qualification approval inspection Qualification approval inspection requirements shall be in accordance with Table1 in IEC1020-3 with all details and requirements taken from Table 1 and Table 2 in the detail specification. 2.4

    36、Quality conformance inspection Quality conformance inspection is prescribed in Table 1 for lot-by-lot inspections and in Table 2 for periodic inspections. For visual examination, the determination of major and minor defects shall be as follows: (insert description of defects).BSQC960501:1992 BSI 10-

    37、1999 5 2.5 Sampling procedure details Table 1 Test schedule for lot-by-lot inspection Subclause number and test designation (see note1) D or ND Assessment level IL AQL Group A (non-destructive) 4.3.1 4.4.2 4.3.5 4.4.4 4.5.1 4.3.6 Visual examination Contact resistance (see note3) Functional operation

    38、 Insulation resistance Voltage proof Operating characteristics ND ND ND ND ND ND II II II S2 S2 S2 1% 1% 1% 1% 1% 1% NOTE 1The subclause numbers of the test and performance requirements refer to Part1 of IEC1020, the supplementary requirements being specified in this part of IEC1020. NOTE 2In this t

    39、able: D =destructive ND =non-destructive IL =inspection level AQL =acceptable quality level. NOTE 3The appropriate test method shall be specified in the detail specification.BSQC960501:1992 6 BSI 10-1999 Table 2 Test schedule for periodic inspections Subclause number and test designation (see note1)

    40、 M, MA or WS Conditions of test (see note1) Sample size and criterion of acceptability (see note2) Performance requirements (see note1) p n td c Group B (destructive) 3 1 4.13 Solderability (see note3) MA Group C (destructive) 12 10 1 4.10 4.4.2 4.4.4 4.5.1 4.3.6 4.14 4.15 Electrical endurance (voir

    41、 note3) Contact resistance (see note3) Insulation resistance Voltage proof Operating characteristics Panel seal (see note3) Enclosure seal (see note3) M M WS M WS MA MA . . . cycles . . . V, . . . A, load . . . V, . . . A . . . V . . . V 1 1 1 1 1 0 0 Sticks/misses k . . . per . . . cycle R k . . .

    42、m7 R U . . . M7 Leakage current k . . . 4A Within limits No water ingress Leak rate k . . . Group D (destructive) 36 (Re-qualification according to IEC1020-3) NOTE 1The subclause numbers of the test and performance requirements refer to Part1 of IEC1020, the supplementary requirements being specifie

    43、d in this part of IEC1020. NOTE 2In the groups, all specimens shall be subjected to the required tests and all tests shall be performed in the sequence shown. NOTE 3The appropriate test method shall be specified by the detail specification. NOTE 4In this table: M MA WS n td c p NA =test is mandatory

    44、 =test is mandatory if applicable to the switch design =test is mandatory when specified by the detail specification =sample size =test acceptance criterion (permitted number of defectives per test) =group acceptance criterion (permitted number of defectives per group) =periodicity in months =not ap

    45、plicable NOTE 5When the detail specification includes additional tests, additional test groups may have to be added.blankBS QC 960501:1992 IEC1020-3-1: 1991 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishS

    46、tandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the con

    47、stant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Te

    48、l:02089969000. Fax:02089967400. BSI offers members an individual updating 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 S

    49、ervices. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services


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