BS-EN-60122-3-2001.pdf
《BS-EN-60122-3-2001.pdf》由会员分享,可在线阅读,更多相关《BS-EN-60122-3-2001.pdf(34页珍藏版)》请在三一文库上搜索。
1、BRITISH STANDARD BS EN 60122-3:2001 Quartz crystal units of assessed quality Part 3: Standard outlines and lead connections The European Standard EN 60122-3:2001 has the status of a British Standard ICS 31.140 ? Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 16:49:03 GMT+00:00 2006, Uncontro
2、lled Copy, (c) BSI BS EN 60122-3:2001 This British Standard, having been prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 13 December 2002 BSI 13 December 2002 ISBN 0 580 409
3、57 0 National foreword This British Standard is the official English language version of EN 60122-3:2001. It is identical with IEC 60122-3:2001. It supersedes BS 5069-1:1980 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee EPL/49, Piezo-electric device
4、s for frequency control and selection, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be
5、 found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are
6、responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and k
7、eep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 31 and a back cover. The BSI copyright date displayed in this document in
8、dicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 16:49:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 60122-3 NORME EUROPENNE EUROPISCHE NORMOctober 2001 CENELEC European Com
9、mittee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC -All rights of exploitation in any form and by any means reserved worldwide for CENELEC
10、 members. Ref. No. EN 60122-3:2001 E ICS 31.140 English version Quartz crystal units of assessed quality Part 3: Standard outlines and lead connections (IEC 60122-3:2001) Rsonateurs quartz sous assurance de la qualit Partie 3: Encombrements normaliss et connexions des sorties (CEI 60122-3:2001) Schw
11、ingquarze mit bewerteter Qualitt Teil 3: Norm-Gehusemae und Anschlussdrhte (IEC 60122-3:2001) This European Standard was approved by CENELEC on 2001-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard t
12、he 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 Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, G
13、erman). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech
14、 Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 16:49:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text
15、 of document 49/493/FDIS, future edition 3 of IEC 60122-3, prepared by IEC TC 49, Piezoelectric and dielectric devices for frequency control and selection, was submitted to the IEC- CENELEC parallel vote and was approved by CENELEC as EN 60122-3 on 2001-10-01. The following dates were fixed: latest
16、date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement(dop) 2002-01-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 2004-10-01 _ Endorsement notice The text of the International
17、Standard IEC 60122-3:2001 was approved by CENELEC as a European Standard without any modification. _ 2 egaP 1002:322106 NE Page 2 EN 601223:2001 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 16:49:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 061-223 ? EI:C0021 3 CONTENTS Page INTRODUCTION.
18、4 Clause 1Scope.5 2Guidance for the standardization of outline drawings for frequency control and selection devices5 3Dimensions of quartz crystal unit enclosures 7 4Designation of quartz crystal unit enclosures7 Specification sheets 1 to 22 .9 to 30 Bibliography31 3 egaP 1002:322106 NE Page 3 EN 60
19、1223:2001 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 16:49:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 061-223 ? EI:C0021 4 INTRODUCTION The second edition of IEC 60122-3 (1977) and its amendments 1 to 4 contained 51 enclosure types showing the dimensional and geometrical characteristi
20、cs of these enclosures. Since its release, due to progress in technology, many of the enclosures given in the standard have become obsolete. Bearing this in mind, technical committee 49 has issued a questionnaire on all outlines contained in IEC 60122-3. Based on the replies received, technical comm
21、ittee 49 made a decision at the meeting held in Rotterdam in June 1996 to retain only enclosures which remained in “wide usage”. These enclosures are specified in the present standard. The following 24 enclosure types have been deleted from the second edition of IEC 60122-3 (1977) and its amendments
22、 1 to 4. BG, BG/1, BH, BH/1, BH/2, BJ, BJ/1, BJ/2, CL, DB, DD, DE, DF, DG, DH, EF, EG, CU 03 A.,CU 03 B., CU 03 C., CU 03 .1,CU 03 .2,CU 04 .2, CU 05 D. 4 egaP 1002:322106 NE Page 4 EN 601223:2001 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 16:49:03 GMT+00:00 2006, Uncontrolled Copy, (c)
23、BSI 061-223 ? EI:C0021 5 QUARTZ CRYSTAL UNITS OF ASSESSED QUALITY Part 3: Standard outlines and lead connections 1 Scope This part of IEC 60122 specifies the outline dimensions and lead connections of quartz crystal units with lead enclosures. 2 Guidance for the standardization of outline drawings f
24、or frequency control and selection devices In order to achieve a uniform presentation of all outline drawings for frequency control and selection devices, the following shall be considered. 2.1 An outline drawing shall show all dimensional and geometrical characteristics of an enclosure necessary to
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BS EN 60122 2001
链接地址:https://www.31doc.com/p-3747647.html