1、 IEC 60115-8-1 Edition 2.0 2014-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Fixed resistors for use in electronic equipment Part 8-1: Blank detail specification: Fixed surface mount (SMD) low power film resistors for general electronic equipment, classification level G Rsistances fixes utilises d
2、ans les quipements lectroniques Partie 8-1: Spcification particulire cadre: Rsistances fixes couche et faible dissipation pour montage en surface (CMS), pour les quipements lectroniques universels, niveau G de classification IEC 60115-8-1:2014-10(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyri
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20、 cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60115-8-1 Edition 2.0 2014-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Fixed resistors for use in electronic equipment Part 8-1: Blank detail specification: Fixed surface mount (SMD) low power film resistors for gener
21、al electronic equipment, classification level G Rsistances fixes utilises dans les quipements lectroniques Partie 8-1: Spcification particulire cadre: Rsistances fixes couche et faible dissipation pour montage en surface (CMS), pour les quipements lectroniques universels, niveau G de classification
22、INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE X ICS 31.040.10 PRICE CODE CODE PRIX ISBN 978-2-8322-1870-9 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that
23、 you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 60115-8-1:2014 IEC 2014 CONTENTS FOREWORD . 5 0 Introduction 7 0.1 Scope of this blank detail specification 7 0.2 Function of this bla
24、nk detail specification . 7 0.3 Identification of the detail specification and the resistor 8 1 Scope 10 2 Normative references . 10 3 Terms and definitions. 11 4 Characteristics and ratings . 11 4.1 General . 11 4.2 Dimensions . 11 4.3 Ratings . 12 4.4 Resistance range and tolerance on resistance .
25、 14 5 Tests and test severities 14 5.1 Insulation resistance . 15 5.2 Voltage proof 15 5.3 Variation of resistance with temperature 15 5.4 Short time overload . 15 5.5 Temperature rise . 16 5.6 Solderability 16 5.7 Resistance to soldering heat . 16 5.8 Rapid change of temperature 16 5.9 Climatic seq
26、uence . 17 5.9.1 General 17 5.9.2 Climatic sequence, dry heat . 17 5.9.3 Climatic sequence, cold . 17 5.9.4 Climatic sequence, low air pressure . 17 5.9.5 Climatic sequence, damp heat, cyclic . 18 5.9.6 Climatic sequence, DC load . 18 5.9.7 Climatic sequence, final measurements 18 5.10 Damp heat, st
27、eady state test . 18 5.11 Endurance at 70 C . 19 5.12 Endurance at upper category temperature . 19 5.13 Component solvent resistance test 19 5.14 Solvent resistance of marking test . 19 5.15 Shear test . 19 5.16 Substrate bending test 20 5.17 Flammability 20 5.18 Electrostatic discharge (ESD) test .
28、 20 6 Performance requirements . 22 6.1 Limits for change of resistance at tests 22 6.2 Insulation resistance . 22 6.3 Variation of resistance with temperature 23 6.4 Temperature rise . 23 IEC 60115-8-1:2014 IEC 2014 3 6.5 Solderability 23 6.6 Flammability 23 7 Marking, packaging and ordering inform
29、ation . 24 7.1 Marking of the component . 24 7.2 Packaging . 24 7.3 Marking of the packaging 24 7.4 Ordering information . 24 8 Additional information 25 8.1 General . 25 8.2 Storage and transportation 25 8.3 Substrate for assembly 25 8.4 Soldering process . 25 8.5 Use of cleaning agents or solvents
30、 26 8.6 Coating or potting after assembly 26 9 Quality assessment procedures . 26 9.1 General . 26 9.1.1 100 % test 26 9.1.2 Certificate of conformity (CoC) . 27 9.1.3 Certified test records of released lots . 27 9.2 Qualification approval 27 9.3 Maintenance of a qualification approval . 27 9.3.1 Qu
31、ality conformance inspection 27 9.3.2 Non-conforming specimen 27 Annex A (normative) 0 resistors (jumper) 37 A.1 General . 37 A.2 Characteristics and ratings 37 A.3 Tests and test severities 37 A.4 Performance requirements 38 A.5 Marking, packaging and ordering information . 38 A.6 Additional inform
32、ation 38 A.7 Quality assessment procedures . 38 A.7.1 Test schedule for qualification approval 38 A.7.2 Test schedule for quality conformance inspection . 38 Annex B (informative) Letter symbols and abbreviations . 40 B.1 Letter symbols . 40 B.2 Abbreviations 41 Annex X (informative) Cross-reference
33、 for references to the prior revision of this specification 42 Bibliography 43 Figure 1 Outline and dimensions 11 Figure 2 Derating curve 13 Table 1 Styles and dimensions . 12 Table 2 Climatic categories 12 Table 3 Ratings 13 4 IEC 60115-8-1:2014 IEC 2014 Table 4 Temperature coefficients, tolerances
34、 and resistance ranges for climatic category . / . / . 14 Table 5 Short time overload duration 16 Table 6 Remaining cycles of damp heat, cyclic test . 18 Table 7 Damp heat steady state test duration . 18 Table 8 Shear test force . 20 Table 9 ESD test voltages 21 Table 10 Limits for change of resista
35、nce 22 Table 11 Temperature coefficients and permissible change of resistance 23 Table 12 Test schedule for qualification approval 28 Table 13 Test schedule for quality conformance inspection . 32 Table A.1 Ratings for 0 resistors . 37 IEC 60115-8-1:2014 IEC 2014 5 INTERNATIONAL ELECTROTECHNICAL COM
36、MISSION _ FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT Part 8-1: Blank detail specification: Fixed surface mount (SMD) low power film resistors for general electronic equipment, classification level G FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for
37、standardization comprising all national electrotechnical committees (IEC National Committees). 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 publishe
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40、etween the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publica
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42、 any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the correspond
43、ing national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any s
44、ervices carried out by independent certification bodies. 6) All users should ensure that they 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
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46、on 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 drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC
47、shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60115-8-1 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 1989 and cons
48、titutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: It includes minor revisions related to tables, figures and references. 6 IEC 60115-8-1:2014 IEC 2014 Dedication to resistors of product classification level G, which
49、is for general electronic equipment, typically operated under benign or moderate environmental conditions, like e.g. consumer products, or telecommunication user terminals. Implementation of the zero defect policy with the application of the single assessment level EZ in all test schedules. Substitution of the temperature coefficient of resistance (TCR), specified over the full defined
