IEC 60915:2006
(Main)Capacitors and resistors for use in electronic equipment - Preferred dimensions of shaft ends, bushes and for the mounting of single-hole, bush-mounted, shaft-operated electronic components
Capacitors and resistors for use in electronic equipment - Preferred dimensions of shaft ends, bushes and for the mounting of single-hole, bush-mounted, shaft-operated electronic components
IEC 60915:2006 contains preferred dimensions for shaft ends and bushes and for the mounting of single-hole, bush-mounted, shaft-operated variable capacitors, variable resistors and potentiometers. If other dimensions not listed in this standard have to be used, it is recommended to select them also from IEC 60390 and IEC 60620. This second edition cancels and replaces the first edition published in 1987 and constitutes a minor revision, related to tables, figures and references. This bilingual version, published in 2008-07, corresponds to the English version. The contents of the corrigendum of December 2008 have been included in this copy.
Condensateurs et résistances utilisés dans les équipements électroniques - Dimensions préférentielles concernant les terminaisons des axes, les canons et le montage par le canon sur trou unique des composants électroniques munis d'un axe de commande
La CEI 60915:2006 contient les dimensions préférentielles concernant les terminaisons des axes, les canons et le montage par le canon sur trou unique de condensateurs variables, de résistances et de potentiomètres variables munis d'un axe de commande. Si d'autres dimensions non indiquées dans la présente norme doivent être utilisées, il est recommandé de les sélectionner aussi dans les normes CEI 60390 et la CEI 60620. Cette seconde édition annule et remplace la première édition publiée en 1987. Elle constitue une révision mineure des tableaux, valeurs et références. La présente version bilingue, publiée en 2008-07, correspond à la version anglaise. Le contenu du corrigendum de décembre 2008 a été pris en considération dans cet exemplaire.
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IEC 60915
Edition 2.0 2006-11
INTERNATIONAL
STANDARD
Capacitors and resistors for use in electronic equipment – Preferred dimensions
of shaft ends, bushes and for the mounting of single-hole, bush-mounted,
shaft-operated electronic components
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, including photocopying and microfilm, without permission in writing from
either IEC or IEC's 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,
please contact the address below or your local IEC member National Committee for further information.
IEC Central Office
3, rue de Varembé
CH-1211 Geneva 20
Switzerland
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Web: www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization 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 might have been published.
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IEC 60915
Edition 2.0 2006-11
INTERNATIONAL
STANDARD
Capacitors and resistors for use in electronic equipment – Preferred dimensions
of shaft ends, bushes and for the mounting of single-hole, bush-mounted,
shaft-operated electronic components
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
P
ICS 31.040; 31.060 ISBN 2-8318-8916-2
– 2 – 60915 © IEC:2006(E)
CONTENTS
FOREWORD.3
1 Scope and object.5
2 Normative references .5
3 Preferred dimensions of shaft ends and bushes .5
3.1 Plain round shaft .6
3.2 Flatted shaft .7
3.3 Slotted shaft.8
3.4 Concentric shafts .9
4 Preferred dimensions for the mounting of single-hole, bush mounted shaft -
operated electronic components .10
4.1 Single-hole bush mounting with antirotation lug (non-turn device) on
mounting face.10
4.2 Single and double flatted bush mounting .13
4.3 Single-hole bush mounting with antirotation lug (non-turn device) on bush .14
4.4 Fixing (or mounting) nuts.15
4.5 Washers (flat, spring and internal tooth) .15
Figure 1 – Plain round shaft.6
Figure 2 – Flatted shaft.7
Figure 3 – Slotted shaft.8
Figure 4 – Concentric shaft.9
Figure 5 – Essential component dimensions .10
Figure 6 – Essential panel cut-out dimensions .11
Figure 7 – Essential component dimensions .13
Figure 8 – Essential panel cut-out dimensions .13
Figure 9 – Essential component dimensions .14
Figure 10 – Essential panel cut-out dimensions .14
Figure 11 – Fixing (or mounting) nuts.15
Table 1 – Preferred dimensions of plain round shaft .6
Table 2 – Preferred dimensions of flatted shaft .7
Table 3 – Preferred dimensions of slotted shaft .8
Table 4 – Preferred dimensions of concentric shafts .9
Table 5 – Preferred dimensions of bush, lug (non-turn device) and related place .12
Table 6 – Preferred dimensions of bush and mounting hole .13
Table 7 – Preferred dimensions of bush, lug (non-turn device) and mounting hole .14
Table 8 – Preferred dimensions of fixing (or mounting) nuts.15
60915 © IEC:2006(E) – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CAPACITORS AND RESISTORS FOR USE IN ELECTRONIC EQUIPMENT –
PREFERRED DIMENSIONS OF SHAFT ENDS, BUSHES
AND FOR THE MOUNTING OF SINGLE-HOLE, BUSH-MOUNTED,
SHAFT-OPERATED ELECTRONIC COMPONENTS
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 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 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 subject 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 determined 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 Committees.
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 which 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 Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
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 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
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 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 Standard IEC 60915 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 1987 and constitutes a
minor revision, related to Tables, Figures and references.
The text of this standard is based on the following documents:
CDV Report on voting
40/1654/CDV 40/1783/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
– 4 – 60915 © IEC:2006(E)
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 maintenance result date indicated on the IEC web site 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.
A bilingual version of this publication may be issued at a later date.
The contents of the corrigendum 2 of March 2008 have been included in this copy. It
cancels and replaces the corrigendum 1 of May 2007.
60915 © IEC:2006(E) – 5 –
CAPACITORS AND RESISTORS FOR USE IN ELECTRONIC EQUIPMENT –
PREFERRED DIMENSIONS OF SHAFT ENDS, BUSHES
AND FOR THE MOUNTING OF SINGLE-HOLE, BUSH-MOUNTED,
SHAFT-OPERATED ELECTRONIC COMPONENTS
1 Scope and object
This International Standard is applicable to variable capacitors, potentiometers and variable
resistors for use in electronic equipment.
The dimensions given in this standard have been selected from IEC 60390 and IEC 60620
because the ranges of dimensions included in these standards were considered too large and
contained too many variants for capacitors and resistors for electronic equipment.
Consequently this standard contains preferred dimensions for shaft ends and bushes and for
the mounting of single-hole, bush-mounted, shaft-operated variable capacitors, variable
resistors and potentiometers. If other dimensions not listed in this standard have to be used, it
is recommended to select them also from the above-mentioned standards.
2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
IEC 60390, Dimensions of spindle ends for manually operated electronic components
IEC 60620, Dimensions for the mounting of single-hole, bush-mounted, spindle-operated
electronic components
3 Preferred dimensions of shaft ends and bushes
All dimensions are in mm.
– 6 – 60915 © IEC:2006(E)
3.1 Plain round shaft
B
Mounting
face
A
a
Clip
a
Chamfer at 40°/50° or a radius for a depth of between 5 % and 10 % of the dimension A.
Figure 1 – Plain round shaft
Table 1 – Preferred dimensions of plain round shaft
a
Dimension A Dimension B
General Precision 10 12,5 15 20 22 25 30 32 35 40 50
±0,5 ±0,5 ±0,5 ±0,5 ±0,5 ±0,5 ±1,0 ±1,0 ±1,0 ±1,0 ±1,0
0 0
X X X X X X X X
3.0 3.00
−0,06 −0,025
0 0
X X X X X X X X X X X
4.0 4.00
−0,075 −0,03
0 0
b
X X X X X X X X X X
6.0 6.00
−0,075 −0,03
0 0
X X X X X X X X X
10.0 10.00
−0,09 −0,036
a
Dimension A includes finish requirements.
b
When specifically required this variant may have a cross-hole, with a diameter of 3,15 mm ± 0,05 mm,
at 5 ± 0,4 mm from the end of the shaft. The centre line of the cross-hole shall not deviate from the
centre line of the shaft by more than 0,1 mm.
60915 © IEC:2006(E) – 7 –
3.2 Flatted shaft
B
Mounting
D
face
A
C
a
Clip
a
Chamfer at 40°/50°, or a radius for a depth of between 5 % and 10 % of dimension A.
Figure 2 – Flatted shaft
Table 2 –
...
IEC 60915
Edition 2.0 2006-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Capacitors and resistors for use in electronic equipment – Preferred dimensions
of shaft ends, bushes and for the mounting of single-hole, bush-mounted,
shaft-operated electronic components
Condensateurs et résistances utilisés dans les équipements électroniques –
Dimensions préférentielles concernant les terminaisons des axes, les canons et
le montage par le canon sur trou unique des composants électroniques munis
d'un axe de commande
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, including photocopying and microfilm, without permission in writing from either IEC or
IEC's 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,
please contact the address below or your local IEC member National Committee for further information.
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
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et les microfilms, sans l'accord écrit de la CEI ou du Comité national de la CEI du pays du demandeur.
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publication, utilisez les coordonnées ci-après ou contactez le Comité national de la CEI de votre pays de résidence.
IEC Central Office
3, rue de Varembé
CH-1211 Geneva 20
Switzerland
Email: inmail@iec.ch
Web: www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization 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 might have been published.
ƒ Catalogue of IEC publications: www.iec.ch/searchpub
The IEC on-line Catalogue enables you to search by a variety of criteria (reference number, text, technical committee,…).
It also gives information on projects, withdrawn and replaced publications.
ƒ IEC Just Published: www.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.
ƒ Electropedia: www.electropedia.org
The world's leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions
in English and French, with equivalent terms in additional languages. Also known as the International Electrotechnical
Vocabulary online.
ƒ Customer Service Centre: www.iec.ch/webstore/custserv
If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service
Centre FAQ or contact us:
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Fax: +41 22 919 03 00
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IEC 60915
Edition 2.0 2006-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Capacitors and resistors for use in electronic equipment – Preferred dimensions
of shaft ends, bushes and for the mounting of single-hole, bush-mounted,
shaft-operated electronic components
Condensateurs et résistances utilisés dans les équipements électroniques –
Dimensions préférentielles concernant les terminaisons des axes, les canons et
le montage par le canon sur trou unique des composants électroniques munis
d'un axe de commande
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
P
CODE PRIX
ICS 31.040; 31.060 ISBN 2-8318-9839-0
– 2 – 60915 © IEC:2006
CONTENTS
FOREWORD.3
1 Scope and object.5
2 Normative references .5
3 Preferred dimensions of shaft ends and bushes .5
3.1 Plain round shaft .6
3.2 Flatted shaft .7
3.3 Slotted shaft.8
3.4 Concentric shafts .9
4 Preferred dimensions for the mounting of single-hole, bush mounted, shaft -
operated electronic components .10
4.1 Single-hole bush mounting with antirotation lug (non-turn device) on
mounting face.10
4.2 Single and double flatted bush mounting .13
4.3 Single-hole bush mounting with antirotation lug (non-turn device) on bush .14
4.4 Fixing (or mounting) nuts.15
4.5 Washers (flat, spring and internal tooth) .15
Figure 1 – Plain round shaft.6
Figure 2 – Flatted shaft.7
Figure 3 – Slotted shaft.8
Figure 4 – Concentric shaft.9
Figure 5 – Essential component dimensions .10
Figure 6 – Essential panel cut-out dimensions .11
Figure 7 – Essential component dimensions .13
Figure 8 – Essential panel cut-out dimensions .13
Figure 9 – Essential component dimensions .14
Figure 10 – Essential panel cut-out dimensions .14
Figure 11 – Fixing (or mounting) nuts.15
Table 1 – Preferred dimensions of plain round shaft .6
Table 2 – Preferred dimensions of flatted shaft .7
Table 3 – Preferred dimensions of slotted shaft .8
Table 4 – Preferred dimensions of concentric shafts .9
Table 5 – Preferred dimensions of bush, lug (non-turn device) and related place .12
Table 6 – Preferred dimensions of bush and mounting hole .13
Table 7 – Preferred dimensions of bush, lug (non-turn device) and mounting hole .14
Table 8 – Preferred dimensions of fixing (or mounting) nuts.15
60915 © IEC:2006 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CAPACITORS AND RESISTORS FOR USE IN ELECTRONIC EQUIPMENT –
PREFERRED DIMENSIONS OF SHAFT ENDS, BUSHES AND
FOR THE MOUNTING OF SINGLE-HOLE, BUSH-MOUNTED,
SHAFT-OPERATED ELECTRONIC COMPONENTS
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 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 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 subject 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 determined 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 Committees.
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 which 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 Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
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 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
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 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 Standard IEC 60915 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 1987 and constitutes a
minor revision, related to tables, figures and references.
This bilingual version, published in 2008-07, corresponds to the English version.
The text of this standard is based on the following documents:
CDV Report on voting
40/1654/CDV 40/1783/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
– 4 – 60915 © IEC:2006
The French version of this standard has not been voted upon.
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 maintenance result date indicated on the IEC web site 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.
The contents of the corrigendum of December 2008 have been included in this copy.
60915 © IEC:2006 – 5 –
CAPACITORS AND RESISTORS
...
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