IEC-60393-1-2008.pdf
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1、 IEC 60393-1 Edition 3.0 2008-05 INTERNATIONAL STANDARD Potentiometers for use in electronic equipment Part 1: Generic specification IEC 60393-1:2008(E) Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008
2、04:58:02 MDTNo reproduction or networking permitted without license from IHS -,-,- THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 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, e
3、lectronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, plea
4、se contact the address below or your local IEC member National Committee for further information. IEC Central Office 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmailiec.ch Web: www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization
5、 that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment mig
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7、.iec.ch/online_news/justpub Stay up to date on all new IEC publications. Just Published details twice a month all new publications released. Available on-line and also by email. ? Electropedia: www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing mo
8、re than 20 000 terms and definitions in English and French, with equivalent terms in additional languages. Also known as the International Electrotechnical Vocabulary online. ? Customer Service Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need furt
9、her assistance, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 04:58:02 MDTNo
10、reproduction or networking permitted without license from IHS -,-,- IEC 60393-1 Edition 3.0 2008-05 INTERNATIONAL STANDARD Potentiometers for use in electronic equipment Part 1: Generic specification INTERNATIONAL ELECTROTECHNICAL COMMISSION XD ICS 31.040.20 PRICE CODE ISBN 2-8318-9748-3 Copyright I
11、nternational Electrotechnical Commission Provided by IHS under license with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 04:58:02 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 60393-1 IEC:2008(E) CONTENTS FOREWORD.6 1 General 8 1.1 Scope8 1.2 Normative re
12、ferences 8 2 Technical data10 2.1 Units and symbols.10 2.2 Terms and definitions10 2.3 Preferred values28 2.4 Marking .28 3 Assessment procedures .28 4 Test and measurement procedures.28 4.1 General.28 4.2 Standard atmospheric conditions.29 4.3 Drying .30 4.4 Visual examination and check of dimensio
13、ns.30 4.5 Continuity (except for continuously rotating potentiometers)32 4.6 Element resistance32 4.7 Terminal resistance.33 4.8 Maximum attenuation 33 4.9 Resistance law (conformity) 33 4.10 Matching of the resistance law (for ganged potentiometers only).34 4.11 Switch contact resistance (when appr
14、opriate)34 4.12 Voltage proof (insulated styles only)38 4.13 Insulation resistance (insulated styles only).39 4.14 Variation of resistance with temperature40 4.15 Rotational noise 42 4.16 Contact resistance at low-voltage levels44 4.17 Setting ability (adjustability) and setting stability45 4.18 Sta
15、rting torque 49 4.19 Switch torque 49 4.20 End stop torque.50 4.21 Locking torque.50 4.22 Thrust and pull on shaft.51 4.23 Shaft run-out .52 4.24 Lateral run-out.53 4.25 Pilot (or spigot) diameter run-out .53 4.26 Shaft end play.54 4.27 Backlash .55 4.28 Dither 57 4.29 Output smoothness .58 4.30 Rob
16、ustness of terminals59 4.31 Sealing60 4.32 Solderability 61 4.33 Resistance to soldering heat .61 4.34 Change of temperature62 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 04:58:02 MDTNo reproductio
17、n or networking permitted without license from IHS -,-,- 60393-1 IEC:2008(E) 3 4.35 Vibration63 4.36 Bump 64 4.37 Shock64 4.38 Climatic sequence.65 4.39 Damp heat, steady state67 4.40 Mechanical endurance (potentiometers) 68 4.41 AC endurance testing of mains switches on capacitive loads.71 4.42 DC
18、endurance testing of switches .73 4.43 Electrical endurance74 4.44 Component solvent resistance.78 4.45 Solvent resistance of the marking78 4.46 Microlinearity.79 4.47 Mounting (for surface mount potentiometers).81 4.48 Shear (adhesion) test83 4.49 Substrate bending test (formerly bond strength of t
19、he end face plating).83 4.50 Solderability (for surface mount potentiometers)83 4.51 Resistance to soldering heat (for surface mount potentiometers).83 Annex A (normative) Rules for the preparation of detail specifications for capacitors and resistors for electronic equipment 84 Annex B (normative)
20、Interpretation of sampling plans and procedures as described in IEC 60410 for use within the IEC Quality Assessment System for Electronic Components .85 Annex C (normative) Measuring methods for rotational noise.86 Annex D (normative) Apparatus for measuring mechanical accuracy .89 Annex E (normativ
21、e) Measuring method for microlinearity90 Annex F (normative) Preferred dimensions of shaft ends, bushes and for the mounting hole, bush-mounted, shaft-operated electronic components92 Annex G (informative) Example of common potentiometers law 93 Annex H (normative) Quality assessment procedures 95 F
22、igure 1 Shaft-sealed potentiometer 14 Figure 2 Shaft- and panel-sealed potentiometer.14 Figure 3 Fully sealed potentiometer .14 Figure 4 Linear law 16 Figure 5 Logarithmic law16 Figure 6 Inverse logarithmic law.16 Figure 7 Output ratio17 Figure 8 Loading error .18 Figure 9 Total mechanical travel (o
23、r angle of rotation) .18 Figure 10 Conformity .20 Figure 11 Absolute conformity20 Figure 12 Linearity.21 Figure 13 Independent linearity22 Figure 14 Zero-based linearity .23 Figure 15 Absolute linearity .24 Copyright International Electrotechnical Commission Provided by IHS under license with IECLic
24、ensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 04:58:02 MDTNo reproduction or networking permitted without license from IHS -,-,- 4 60393-1 IEC:2008(E) Figure 16 Terminal based linearity.25 Figure 17 Effective tap width25 Figure 18 Backlash 27 Figure 19 Example of insulation resistance and vo
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