1、 IEC 60393-6 Edition 2.0 2015-12 INTERNATIONAL STANDARD NORME INTERNATIONALE Potentiometers for use in electronic equipment Part 6: Sectional specification Surface mount preset potentiometers Potentiomtres utiliss dans les quipements lectroniques Partie 6: Spcification intermdiaire Potentiomtres daj
2、ustement pour montage en surface IEC 60393-6:2015-12(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical
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19、86 et CISPR de lIEC. Service Clients - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60393-6 Edition 2.0 2015-12 INTERNATIONAL STANDARD NORME INTERNATIONALE Potentiometers for use in electronic equip
20、ment Part 6: Sectional specification Surface mount preset potentiometers Potentiomtres utiliss dans les quipements lectroniques Partie 6: Spcification intermdiaire Potentiomtres dajustement pour montage en surface INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE I
21、CS 31.040.20 ISBN 978-2-8322-3058-9 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez
22、 obtenu cette publication via un distributeur agr. 2 IEC 60393-6:2015 IEC 2015 CONTENTS FOREWORD . 4 1 General . 6 1.1 Scope . 6 1.2 Normative references 6 1.3 Information to be given in a detail specification . 6 1.3.1 General . 6 1.3.2 Outline drawing and dimensions 7 1.3.3 Mounting . 7 1.3.4 Styl
23、e 7 1.3.5 Resistance law 7 1.3.6 Ratings and characteristics 8 1.3.7 Marking . 8 1.3.8 Ordering information 8 1.3.9 Additional information (not for inspection purposes) . 8 1.3.10 Packaging 8 1.4 Marking . 9 1.4.1 General . 9 1.4.2 Marking for potentiometers 9 1.4.3 Marking for packaging . 9 1.4.4 A
24、dditional marking . 9 2 Preferred ratings, characteristics and test severities 9 2.1 Preferred characteristics . 9 2.1.1 General . 9 2.1.2 Preferred climatic categories . 9 2.1.3 Temperature coefficients and temperature characteristics of resistance . 10 2.1.4 Limits for change in resistance or outp
25、ut voltage ratio . 10 2.1.5 Total mechanical travel 11 2.2 Preferred values of ratings 11 2.2.1 General . 11 2.2.2 Nominal total resistance 11 2.2.3 Tolerances on nominal total resistance 11 2.2.4 Rated dissipation (in the mounted state) 12 2.2.5 Limiting element voltage 13 2.2.6 Insulation voltage
26、(for insulated styles) 13 2.2.7 Limits for insulation resistance (for insulated styles) 13 2.3 Preferred test severities 13 2.3.1 General . 13 2.3.2 Drying 13 2.3.3 Vibration 13 2.3.4 Shock 14 2.3.5 Low air pressure 14 2.3.6 Change of temperature 14 2.3.7 Mounting . 14 2.3.8 Solderability. 14 2.3.9
27、Resistance to soldering heat 15 2.3.10 Component solvent resistance . 15 IEC 60393-6:2015 IEC 2015 3 2.3.11 Solvent resistance of the marking 15 3 Quality assessment procedures . 15 3.1 General . 15 3.2 Definitions. 15 3.2.1 Primary stage of manufacture 15 3.2.2 Structurally similar components . 15
28、3.2.3 Assessment level EZ (zero nonconforming) . 15 3.3 Qualification approval . 16 3.3.1 General . 16 3.3.2 Qualification approval on the basis of the fixed sample size procedure 16 3.3.3 Tests . 16 3.4 Quality conformance inspection 24 3.4.1 Formation of inspection lots . 24 3.4.2 Test schedule 24
29、 3.4.3 Assessment levels . 24 3.5 Delayed delivery . 27 Bibliography 28 Figure 1 Rated dissipation curve 12 Figure 2 Rated dissipation curve with smaller area of operation . 13 Table 1 Temperature coefficients and temperature characteristics of resistance 10 Table 2 Limits for change in resistance o
30、r output voltage ratio . 11 Table 3 Fixed sample size test schedule for qualification approval (1 of 7) . 18 Table 4 Quality conformance inspection: Lot-by-lot 25 Table 5 Quality conformance inspection: Periodic testing . 26 4 IEC 60393-6:2015 IEC 2015 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ POT
31、ENTIOMETERS FOR USE IN ELECTRONIC EQUIPMENT Part 6: Sectional specification Surface mount preset potentiometers FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees
32、). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available S
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39、y have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature w
40、hatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced pub
41、lications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International S
42、tandard IEC 60393-6 has been prepared by IEC technical committee 40: Capacitors and resistors for electronic equipment. This second edition cancels and replaces the first edition published in 2003 and constitutes a technical revision. This edition includes the following significant technical changes
43、 with respect to the previous edition: a) revision of the information on the assessment level EZ (zero nonconforming); b) complete editorial revision. IEC 60393-6:2015 IEC 2015 5 The text of this standard is based on the following documents: FDIS Report on voting 40/2409/FDIS 40/2424/RVD Full inform
44、ation on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This International Standard is to be used in conjunction with IEC 60393-1:2008. A list of all parts in the IEC 60363 series, published under the general title Potentiometers for u
45、se in electronic equipment, can be found on the IEC website. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/
46、webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 IEC 60393-6:2015 IEC 2015 POTENTIOMETERS FOR USE IN ELECTRONIC EQUIPMENT Part 6: Sectional specification Surface mount preset p
47、otentiometers 1 General 1.1 Scope This part of IEC 60393 applies to surface mount preset potentiometers for use in electronic equipment. This part of IEC 60393 prescribes preferred ratings and characteristics and selects from IEC 60393-1, the appropriate quality assessment procedures, tests and meas
48、uring methods, and it gives general performance requirements for this type of potentiometers. This standard gives the minimum performance requirements and test severities. 1.2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indis
49、pensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60062, Marking code for resistors and capacitors IEC 60068-1:2013, Environmental testing Part 1: General and guidance IEC 60068-2-1:2007, Environmental testing Part 2-1: Tests Test A: Cold IEC 60068-2-2:200
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