1、 IEC 61837-4 Edition 2.0 2015-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Surface mounted piezoelectric devices for frequency control and selection Standard outlines and terminal lead connections Part 4: Hybrid enclosure outlines Dispositifs pizolectriques montage en surface pour la commande et l
2、e choix de la frquence Encombrements normaliss et connexions des sorties Partie 4: Encombrements des enveloppes hybrides IEC 61837-4:2015-03(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publica
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20、3 INTERNATIONAL STANDARD NORME INTERNATIONALE Surface mounted piezoelectric devices for frequency control and selection Standard outlines and terminal lead connections Part 4: Hybrid enclosure outlines Dispositifs pizolectriques montage en surface pour la commande et le choix de la frquence Encombre
21、ments normaliss et connexions des sorties Partie 4: Encombrements des enveloppes hybrides INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 31.140 ISBN 978-2-8322-2428-1 Registered trademark of the International Electrotechnical Commission Marque dpose de la Co
22、mmission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 61837-4:2015 IEC 2015 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative refe
23、rences. 5 3 Configuration of enclosures . 5 4 Dimensions of surface mounted piezoelectric devices with hybrid enclosure outlines. 5 5 Table of detailed dimensions 5 6 Designation of surface mounted piezoelectric devices with hybrid enclosure outlines. 6 Table 1 Revised Configuration . 6 Table 2 Desi
24、gnation of surface mounted piezoelectric devices with hybrid enclosure outline 6 Table 3 Lead connections 7 IEC 61837-4:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SURFACE MOUNTED PIEZOELECTRIC DEVICES FOR FREQUENCY CONTROL AND SELECTION STANDARD OUTLINES AND TERMINAL LEAD CONNECTION
25、S Part 4: Hybrid enclosure outlines 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 questio
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32、dies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not 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 t
33、o 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) an
34、d 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
35、) 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 61837-4 has been prepared by IEC technical committee 49: Piezoele
36、ctric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection. This second edition cancels and replaces the first edition published in 2004. It constitutes a technical revision. This edition includes the following significant technical changes wi
37、th respect to the previous edition: Outline drawing is defined as one set of drawings consisting of four views, which are the view from above, the front view, the view from the right, and the view from below, instead of one set consisting of three views as provided in the previous edition. The confi
38、gurations of the enclosures were revised as shown in Table 1. 4 IEC 61837-4:2015 IEC 2015 The text of this standard is based on the following documents: FDIS Report on voting 49/1117/FDIS 49/1129/RVD Full information on the voting for the approval of this standard can be found in the report on votin
39、g indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. This International Standard shall be read in conjunction with IEC 61240:2012. A list of all parts in the IEC 61837 series, published under the general title Surface mounted piezoelect
40、ric devices for frequency control and selection Standard outlines and terminal lead connections, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“
41、in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IEC 61837-4:2015 IEC 2015 5 SURFACE MOUNTED PIEZOELECTRIC DEVICES FOR FREQUENCY CONTROL AND SELECTION STANDARD OUTLINES AND TERMINAL LEAD CONNECTI
42、ONS Part 4: Hybrid enclosure outlines 1 Scope This part of IEC 61837 specifies the outline drawings and terminal lead connections for surface piezoelectric devices with hybrid enclosure outlines and is based on IEC 61240:2012 which standardized layout rules of outline drawings of surface-mounted dev
43、ice. 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 document (including any
44、amendments) applies. IEC 61240:2012, Piezoelectric devices Preparation of outline drawings of surface-mounted devices (SMD) for frequency control and selection General rules 3 Configuration of enclosures If there are versions with different height of the same enclosures, each enclosure is expressed
45、by a dash (/) plus two digit number after the basic type name. The version number is indicated in the dimension table in the sheet. 4 Dimensions of surface mounted piezoelectric devices with hybrid enclosure outlines The dimensions in this standard apply to surface mounted piezoelectric devices. Onl
46、y those dimensions which meet the requirements of IEC 61240 are given. Drawings of the same size should be described in the same scale. The scale should be chosen based on the Table A.1 of IEC 61240:2012. In this part of IEC 61837, it is recommended that enclosures with nominal length value larger t
47、han 20 mm use scale 2:1. 5 Table of detailed dimensions The dimensions shall be given only where the letter x is shown in the table of the given sheet. If there are plural identical enclosures with a different height (G), the typical value of G shall be shown in the table. Or different values of G s
48、hall be expressed with a subscript number such as G 1 , G 2 , etc. The identity references are given in the table in the sheet. 6 IEC 61837-4:2015 IEC 2015 6 Designation of surface mounted piezoelectric devices with hybrid enclosure outlines All corresponding enclosures are listed in Table 2 below.
49、Table 1 Revised Configuration Type Sheet No. Description (Size unit is mm) CO26/01 Sheet 2 Maximum G 1was changed from to 5.5 to 5.7. l 2 , b 2were changed from 2,6, 2,1 to 2,8, 2,3 respectively. CO27/0104 Sheet 3 Maximum B was changed from 9,5 to 9,6. CO27/01,02 Sheet 3 Maximum G 1and G 2were changed from 5,5, 4,7 to 5,7, 4,9 respectively. CO27/04 Sheet 3 CO27 with G 4of 3,0 was newly added. CO28/010
