BS QC 410301-1992 Specification for harmonized system of quality assessment for electronic components - Potentiometers for use in electronic equipment - Blank detail specification .pdf
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1、BRITISH STANDARD BSQC 410301:1992 IEC393-5-1: 1992 Specification for Harmonized system of quality assessment for electronic components Potentiometers for use in electronic equipment Blank detail specification Single-turn rotary low-power potentiometers Assessment level EBSQC410301:1992 BSI 12-1999 I
2、SBN 0 580 35588 8 Amendments issued since publication Amd. No. Date CommentsBSQC410301:1992 BSI 12-1999 i Contents Page National foreword ii Introduction 1 Section 1. General data 1.1 Recommended method(s) of mounting (to be inserted) 3 1.2 Dimensions 3 1.3 Ratings and characteristics 3 1.4 Related
3、documents 3 1.5 Marking 3 1.6 Ordering information 4 1.7 Certified records of released lots 4 1.8 Additional information (not for inspection purposes) 4 1.9 Additional or increased severities or requirements to those specifiedinthegeneric and/or sectional specification 4 Section 2. Inspection requir
4、ement 2.1 Procedure 5 Appendix A 16 Figure 1 Component under test 16 Table I 2 Table II 5BSQC410301:1992 ii BSI 12-1999 National foreword This British Standard has been prepared under the direction of the Electronic Components Standards Policy Committee (ECL/-). It is identical with IEC393-5-1:1992
5、(QC410301) “Potentiometers for use in electronic equipment. Part5 Blank detail specification: Single-turn rotary low-power potentiometers. Assessment level E”, published by the International Electrotechnical Commission (IEC) and is a harmonized specification within the IECQ system of quality assessm
6、ent for electronic components. IEC393-5-1 was prepared by IEC Technical Committee No.40, Capacitors and resistors for electronic equipment, and the United Kingdom participation in the drafting was provided by Technical Committee ECL/4, Capacitors and resistors for electronic equipment. Scope. This s
7、tandard lists the ratings, characteristics and inspection requirements which shall be included as mandatory requirements in accordance with BS QC410300 in any detail specifications for these components. The British Standard which implements the IECQ Rules of Procedure is BS9000 “General requirements
8、 for a system for electronic components of assessed quality” Part3:1991 “Specification for the national implementation of the IECQ System”. The Technical Committee has reviewed the provisions of IEC63 and IEC410 to which reference is made in the text and has decided that they are acceptable for use
9、in conjunction with this standard. Detail specifications. Detail specifications shall comply with the requirements of this Blank Detail Specification and BSQC001002:1991 “Rules of Procedure for the IEC Quality Assessment System for Electronic Components (IECQ)”. A British Standard does not purport t
10、o include all the necessary provisions of a contract. Users 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 IEC393-
11、1:1989 BS QC410000:1992 Harmonized system of quality assessment for electronic components: potentiometers for use in electronic equipment. Generic specification (Identical) IEC393-5:1992 BS QC410300:1992 Harmonized system of quality assessment for electronic components. Potentiometers for use in ele
12、ctronic equipment. Sectional specification for single-turn rotary low-power wirewound and non-wirewound potentiometers (Identical) Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 to16 and a back cover. This standard has been updated (see copyright
13、date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BSQC410301:1992 BSI 12-1999 1 Introduction Blank detail specification A blank detail specification is a supplementary document to the Sectional Specification and contains requireme
14、nts for style and layout and minimum content of detail specifications. Detail Specifications not complying with these requirements shall not be considered as being in accordance with IEC specifications nor shall they so be described. In the preparation of detail specifications the content of Sub-cla
15、use1.4 of the Sectional Specification shall be taken into account. The numbers between brackets on the first page correspond to the following information which shall be inserted in the position indicated. Identification of the detail specification (1) The “International Electrotechnical Commission”
16、or the National Standards Organisation under whose authority the detail specification is drafted. (2) The IEC or National Standards number of the detail specification, date of issue and any further information required by the national system. (3) The number and issue number of the IEC or national Ge
17、neric Specification. (4) The IEC number of the blank detail specification. Identification of the potentiometer (5) A short description of the type of potentiometer. (6) Information on typical construction (if applicable) for example: non-wirewound, single-turn rotary. NOTEWhen the potentiometer is n
18、ot designed for use in printed board applications, this shall be clearly stated in the detail specification in this position. (7) Outline drawing with main dimensions which are of importance for interchangeability and/or reference to the national or international documents for outlines. Alternativel
19、y, this drawing may be given in an appendix to the detail specification. (8) Application or group of applications covered and/or assessment level. NOTEThe assessment level(s) to be used in a detail specification shall be selected from the sectional specification, Sub-clause 3.3.3. This implies that
20、one blank detail specification may be used in combination with several assessment levels, provided the grouping of the tests does not change. (9) Reference data on the most important properties, to allow comparison between the various potentiometer types.BSQC410301:1992 2 BSI 12-1999 (1) IEC393-5-1-
21、XXX QC410301-XXX (2) ELECTRONIC COMPONENTS OF ASSESSED QUALITY IN ACCORDANCE WITH: IEC393-5-1 QC410301 (4) (3) SINGLE-TURN ROTARY LOW-POWER POTENTIOMETERS (5) Outline drawing and dimensions: (. . .angle projection) (7) (When necessary the dimensions may be given in an Appendix to the detail specific
22、ation) Typical construction: (6) Terminal connections: Assessment level(s): E (8) Information on the availability of components qualified to this detail specification is given in the Qualified Products List. (9) Table I Style Rated dissipation at70 C (W) Limiting element voltage (Vd.c. or a.c. r.m.s
23、.) Isolation voltage (Vd.c. or a.c. peak) Resistance law A Resistance laws B and C Normal air pressure Low air pressureBSQC410301:1992 BSI 12-1999 3 Section 1. General data 1.1 Recommended method(s) of mounting (to be inserted) (SeeSub-clause1.4.2 of IEC Publication393-5). 1.2 Dimensions (When neces
24、sary the dimensions may be given in an Appendix to the detail specification). All dimensions are in millimetres or inches and millimetres. 1.3 Ratings and characteristics 1.3.1 Derating Potentiometers covered by this specification are derated according to the curve: (a suitable curve to be included
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