1、 IEC 60393-5 Edition 3.0 2015-12 INTERNATIONAL STANDARD NORME INTERNATIONALE Potentiometers for use in electronic equipment Part 5: Sectional specification Single-turn rotary low-power wirewound and non-wirewound potentiometers Potentiomtres utiliss dans les quipements lectroniques Partie 5: Spcific
2、ation intermdiaire Potentiomtres de faible puissance, bobins et non bobins, rotatifs, monotour IEC 60393-5:2015-12(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
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20、ORME INTERNATIONALE Potentiometers for use in electronic equipment Part 5: Sectional specification Single-turn rotary low-power wirewound and non-wirewound potentiometers Potentiomtres utiliss dans les quipements lectroniques Partie 5: Spcification intermdiaire Potentiomtres de faible puissance, bob
21、ins et non bobins, rotatifs, monotour INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 31.040.20 ISBN 978-2-8322-3059-6 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning!
22、 Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 60393-5:2015 IEC 2015 CONTENTS FOREWORD . 4 1 General . 6 1.1 Scope . 6 1.2 Normative references 6 1.3 Information to b
23、e 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 Style 8 1.3.5 Resistance law 8 1.3.6 Ratings and characteristics 8 1.3.7 Marking . 8 1.3.8 Ordering information 8 1.3.9 Additional information 8 1.4 Marking . 9 1.4.1 General . 9 1
24、.4.2 Marking for potentiometers 9 1.4.3 Marking for packaging . 9 1.4.4 Additional 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 charact
25、eristics of resistance . 10 2.1.4 Limits for change in resistance or output voltage ratio . 11 2.1.5 Limits for insulation resistance . 12 2.1.6 Limits for resistance law 12 2.1.7 Limits for starting torque 13 2.1.8 Limits for switch torque 13 2.2 Preferred values of ratings 13 2.2.1 General . 13 2.
26、2.2 Nominal total resistance 14 2.2.3 Tolerances on nominal total resistance 14 2.2.4 Rated dissipation . 14 2.2.5 Limiting element voltage 15 2.2.6 Insulation voltage 15 2.2.7 Switch rating (if applicable) 15 2.3 Preferred test severities 15 2.3.1 General . 15 2.3.2 Drying 16 2.3.3 Vibration 16 2.3
27、.4 Shock 16 3 Quality assessment procedures . 16 3.1 General . 16 3.2 Definitions. 16 3.2.1 Primary stage of manufacture 16 IEC 60393-5:2015 IEC 2015 3 3.2.2 Structurally similar components . 16 3.2.3 Assessment levels EZ and FZ (zero non-conforming) 17 3.3 Qualification approval . 17 3.3.1 General
28、. 17 3.3.2 Qualification approval on the basis of the fixed sample size procedure 17 3.3.3 Tests . 17 3.4 Quality conformance inspection 27 3.4.1 Formation of inspection lots . 27 3.4.2 Test schedule 27 3.4.3 Assessment levels . 27 3.5 Delayed delivery . 31 Annex A (normative) Test methods for seali
29、ng . 32 A.1 Container sealing test for container sealed styles only 32 A.2 Shaft and panel sealing test for all styles 32 Bibliography 33 Figure 1 Outline drawing and dimensions . 7 Figure 2 Rated dissipation curve 14 Figure 3 Rated dissipation curve (examples of smaller area) 15 Figure A.1 Componen
30、t under test. 32 Table 1 Temperature coefficients and temperature characteristics of resistance for non-wirewound potentiometers . 10 Table 2 Temperature coefficients and temperature characteristics of resistance for wirewound potentiometers 11 Table 3 Preferred combination of limits 12 Table 4 Pref
31、erred measuring points and values of output ratio for non-wirewound potentiometers 13 Table 5 Preferred measuring points and values of output ratio for wirewound potentiometers 13 Table 6 Fixed sample size test schedule for qualification approval (1 of 8) . 19 Table 7 Quality conformance inspection:
32、 Lot-by-lot (1 of 2) 27 Table 8 Quality conformance inspection: Periodic testing (1 of 3). 29 4 IEC 60393-5:2015 IEC 2015 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ POTENTIOMETERS FOR USE IN ELECTRONIC EQUIPMENT Part 5: Sectional specification Single-turn rotary low-power wirewound and non-wirewoun
33、d potentiometers FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning stand
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41、tors, 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 whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising
42、 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 publications is indispensable for the correct application of this publication. 9) Attention is dra
43、wn 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 Standard IEC 60393-5 has been prepared by IEC technical committee 40: Capacitors and resistors f
44、or electronic equipment. This third edition cancels and replaces the second edition published in 1992 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) revision of the information on the assessment level E
45、Z and FZ (zero nonconforming); b) complete editorial revision. IEC 60393-5:2015 IEC 2015 5 The text of this standard is based on the following documents: FDIS Report on voting 40/2408/FDIS 40/2423/RVD Full information on the voting for the approval of this standard can be found in the report on voti
46、ng 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 use in electronic equipment, can be found on the IEC website. This publication has been d
47、rafted 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:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publ
48、ication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 IEC 60393-5:2015 IEC 2015 POTENTIOMETERS FOR USE IN ELECTRONIC EQUIPMENT Part 5: Sectional specification Single-turn rotary low-power wirewound and non-wirewound potentiometers 1 General 1.1 Scope This part of IEC 6
49、0393 applies to single-turn rotary low-power wirewound and non-wirewound potentiometers, with a rated dissipation less than to 10 W. These potentiometers are primarily intended for use in electronic equipment. This part of IEC 60393 prescribes preferred ratings and characteristics and selects from IEC 60393-1, appropriate quality assessment procedures, tests and measuring methods. It provide
