IEC_TR_61188-8-2021.pdf

IEC TR 61188-8 Edition 1.0 2021-01 TECHNICAL REPORT Circuit boards and circuit board assemblies Design and use Part 8:3D shape data for CAD component library IEC TR 61188-8:2021-01(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2021 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,electronic 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,please contact the address below or your local IEC member National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb infoiec.ch CH-1211 Geneva 20 www.iec.ch Switzerland 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 corrigendum or an amendment might have been published.IEC publications search-webstore.iec.ch/advsearchform The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available online and once a month by email.IEC Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:salesiec.ch.IEC online collection-oc.iec.ch Discover our powerful search engine and read freely all the publications previews.With a subscription you will always have access to up to date content tailored to your needs.Electropedia-www.electropedia.org The worlds leading online dictionary on electrotechnology,containing more than 22 000 terminological entries in English and French,with equivalent terms in 18 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC TR 61188-8 Edition 1.0 2021-01 TECHNICAL REPORT Circuit boards and circuit board assemblies Design and use Part 8:3D shape data for CAD component library INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.180;31.190 ISBN 978-2-8322-9226-6 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinside 2 IEC TR 61188-8:2021 IEC 2021 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms,definitions and abbreviated terms.6 3.1 Terms and definitions.6 3.2 Abbreviated terms.6 4 Classification of component shape data.6 4.1 Classification by technical drawing.6 4.2 Classification by the kind of component shape data.7 4.2.1 General.7 4.2.2 Master data.7 4.2.3 Design-use data.7 4.2.4 Complement data.7 4.3 Relation between technical drawing and component shape data.7 5 Configuration data of shape data.7 5.1 General.7 5.2 Dimensions.8 5.2.1 Dimensions of 2D drawing.8 5.2.2 Dimensions of 3D shape models.8 5.3 Material distinction.8 5.4 Marking.8 5.5 Component identification information.8 5.6 Reference point and placement angle.9 5.6.1 Rules for 2D drawings.9 5.6.2 Rules for 3D shape models(component with no moving part).9 5.6.3 Rules for 3D shape models(component with moving part).10 5.7 Scale.11 5.8 CAD format.11 5.8.1 2D drawings.11 5.8.2 3D shape models.11 5.9 Component shape levels.11 5.9.1 General.11 5.9.2 Level 1.11 5.9.3 Level 2.11 5.9.4 Level 3.12 5.9.5 Level 4.12 5.10 Other attributes.13 5.10.1 Land pattern data.13 5.10.2 Courtyard data.13 5.10.3 Other attributes data.13 6 Basic design logic classification for components.13 Bibliography.17 Figure 1 Marking.8 Figure 2 Reference point and placement angle.10 Figure 3 Placement angle of connectors.10 IEC TR 61188-8:2021 IEC 2021 3 Figure 4 Placement angle of switches.10 Figure 5 Example of shape level 1.11 Figure 6 Examples of shape level 2.12 Figure 7 Examples of shape level 3.12 Figure 8 An example of shape level 4.13 Table 1 Abbreviated terms.6 Table 2 Relation between technical drawing and component shape data.7 Table 3 Basic design logic classification for SMD.14 Table 4 Basic design logic classification for IMD.16 4 IEC TR 61188-8:2021 IEC 2021 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ CIRCUIT BOARDS AND CIRCUIT BOARD ASSEMBLIES DESIGN AND USE Part 8:3D shape data for CAD component library FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committ