1、BSI Standards PublicationPreferred number series for resistors and capacitorsBS EN 60063:2015National forewordThis British Standard is the UK implementation of EN 60063:2015. It is identical to IEC 60063:2015. It supersedes BS 2488:1966 which is withdrawn.The UK participation in its preparation was
2、entrusted to TechnicalCommittee EPL/40X, Capacitors and resistors for electronic equipment.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible fo
3、r its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 84243 6ICS 31.040.01; 31.060.01Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandar
4、ds Policy and Strategy Committee on 30 June 2015. Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60063:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60063 May 2015 ICS 31.040; 31.060 English Version Preferred number series for resistors and capacitor
5、s (IEC 60063:2015) Sries de valeurs normales pour rsistances et condensateurs (IEC 60063:2015) Vorzugsreihen fr die Nennwerte von Widerstnden und Kondensatoren (IEC 60063:2015) This European Standard was approved by CENELEC on 2015-05-01. CENELEC members are bound to comply with the CEN/CENELEC Inte
6、rnal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any
7、 CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the off
8、icial versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg,
9、 Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENE
10、LEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60063:2015 E BS EN 60063:2015EN 60063:2015 2 Foreword The text of document 40/2340A/FDIS, future edition 3 of IEC 60063, p
11、repared by IEC/TC 40 “Capacitors and resistors for electronic equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60063:2015. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical na
12、tional standard or by endorsement (dop) 2016-02-01 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-05-01 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN
13、shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60063:2015 was approved by CENELEC as a European Standard without any modification. BS EN 60063:2015EN 60063:2015 3 Annex ZA (normative) Normative references to
14、international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edit
15、ion of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex i
16、s available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60062 - Marking codes for resistors and capacitors EN 60062 - BS EN 60063:2015 2 IEC 60063:2015 IEC 2015 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative references. 5 3 Terms and definitions 5 4 Number series . 5 4.1 Number series w
17、ith two significant digits 5 4.2 Number series with three significant digits . 6 5 Application of an E series 8 5.1 Relationship between E series and tolerances . 8 5.2 Deduction from the marking and coding of values 9 Bibliography . 10 Table 1 Number series with two significant digits 6 Table 2 Num
18、ber series with three significant digits 7 Table 3 Tolerances and recommended E series 8 BS EN 60063:2015IEC 60063:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PREFERRED NUMBER SERIES FOR RESISTORS AND CAPACITORS FOREWORD 1) The International Electrotechnical Commission (IEC) is a wor
19、ldwide 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 standardization in the electrical and electronic fields. To this end and in addition to other
20、activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the sub
21、ject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions de
22、termined by agreement between 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 Com
23、mittees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in whi
24、ch they are used or for 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 Publica
25、tion and the corresponding 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 no
26、t responsible for any services 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 techni
27、cal 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 out of the publication, use of, or reliance upon, this IEC Publication or any other IEC P
28、ublications. 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 drawn to the possibility that some of the elements of this IEC Publication may be the subject
29、 of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60063 has been prepared by IEC technical committee 40: Capacitors and resistors for electronic equipment. This third edition cancels and replaces the second edition publishe
30、d in 1963 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: revision of the information on a relationship between an E Series and the tolerance of a resistance or capacitance value of a respective component;
31、introduction of advice on a possible deduction from the marking of a component to an associated E Series and also to an associated tolerance; complete editorial revision. BS EN 60063:2015 4 IEC 60063:2015 IEC 2015 The text of this standard is based on the following documents: FDIS Report on voting 4
32、0/2340A/FDIS 40/2370/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this public
33、ation will remain unchanged until the stability date indicated on the IEC website under “http:/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. BS EN 60063:2015IEC 60063:2015 IEC
34、 2015 5 PREFERRED NUMBER SERIES FOR RESISTORS AND CAPACITORS 1 Scope This International Standard provides series of preferred values for the resistance of resistors and for the capacitance of capacitors. The definition of such series with a defined numeric resolution is a basic prerequisite for the
35、marking and coding of capacitors and resistors with their respective capacitance or resistance values as described in IEC 60062. NOTE The number series defined in this standard are based on progressive ratios of r10 , with r = 3 2i, and i being a whole number in the range of 0 to 6, hence e.g. of 12
36、10 . This system of progressive ratios had been established prior to the 1952 release of the first edition of this standard1as a consequence of the standardisation of tolerances at 5 %, 10 % and 20 % and the related commercial practice. An adoption of the ISO practice, based on a 1010 system, was ne
37、ver considered achievable. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced do
38、cument (including any amendments) applies. IEC 60062, Marking codes for resistors and capacitors 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 E series infinite series of numeric values with a given number of elements per decade, rounded or
39、 derived from the elements of a geometric series Note 1 to entry: The number of elements within a decade, r, is given in the designation of the E series, Er, e.g. E24 for a number series with 24 values per decade. 4 Number series 4.1 Number series with two significant digits The series E24, E12, E6
40、and E3 with two significant digits are the decimal multiples and sub-multiples of the respective values given in Table 1. _ 1IEC 60063:1952, Series of preferred values and their associated tolerances for resistors and capacitors BS EN 60063:2015 6 IEC 60063:2015 IEC 2015 Table 1 Number series with t
41、wo significant digits E24 E12 E6 E3 10 10 10 10 11 12 12 13 15 15 15 16 18 18 20 22 22 22 22 24 27 27 30 33 33 33 36 39 39 43 47 47 47 47 51 56 56 62 68 68 68 75 82 82 91 The E24 series is derived from a geometric series composed of values, rounded to two significant digits, of the theoretical numbe
42、rs ( )nv2410= where v is a value of the E24 series, and n is a whole positive or negative number. NOTE The values of the E24 series in the range of 27 through 47, and the value 82, divert from the exact mathematical rule. However, a correction of this deviation has never seemed appropriate in light
43、of the historical relevance of this series, having been established prior to the 1952 release of the first edition of this standard. The E12 series is derived from the E24 series by omitting every second term, and likewise is the E6 series derived from the E12 series and the E3 series derived from t
44、he E6 series by omitting every second term thereof. 4.2 Number series with three significant digits The series E192, E96 and E48 with three significant digits are the decimal multiples and sub-multiples of the respective values given in Table 2. BS EN 60063:2015IEC 60063:2015 IEC 2015 7 Table 2 Numb
45、er series with three significant digits E192 E96 E48 E192 E96 E48 E192 E96 E48 E192 E96 E48 100 100 100 178 178 178 316 316 316 562 562 562 101 180 320 569 102 102 182 182 324 324 576 576 104 184 328 583 105 105 105 187 187 187 332 332 332 590 590 590 106 189 336 597 107 107 191 191 340 340 604 604
46、109 193 344 612 110 110 110 196 196 196 348 348 348 619 619 619 111 198 352 626 113 113 200 200 357 357 634 634 114 203 361 642 115 115 115 205 205 205 365 365 365 649 649 649 117 208 370 657 118 118 210 210 374 374 665 665 120 213 379 673 121 121 121 215 215 215 383 383 383 681 681 681 123 218 388
47、690 124 124 221 221 392 392 698 698 126 223 397 706 127 127 127 226 226 226 402 402 402 715 715 715 129 229 407 723 130 130 232 232 412 412 732 732 132 234 417 741 133 133 133 237 237 237 422 422 422 750 750 750 135 240 427 759 137 137 243 243 432 432 768 768 138 246 437 777 140 140 140 249 249 249
48、442 442 442 787 787 787 142 252 448 796 143 143 255 255 453 453 806 806 145 258 459 816 147 147 147 261 261 261 464 464 464 825 825 825 149 264 470 835 150 150 267 267 475 475 845 845 152 271 481 856 154 154 154 274 274 274 487 487 487 866 866 866 156 277 493 876 158 158 280 280 499 499 887 887 160
49、284 505 898 162 162 162 287 287 287 511 511 511 909 909 909 164 291 517 920 165 165 294 294 523 523 931 931 167 298 530 942 169 169 169 301 301 301 536 536 536 953 953 953 172 305 542 965 174 174 309 309 549 549 976 976 176 312 556 988 BS EN 60063:2015 8 IEC 60063:2015 IEC 2015 The E192 series is a geometric series composed of values, rounded to three signifi
