1、 IEC 60122-3 Edition 4.0 2010-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Quartz crystal units of assessed quality Part 3: Standard outlines and lead connections Rsonateurs quartz sous assurance de la qualit Partie 3: Encombrements normaliss et connexions des sorties IEC 60122-3:2010 THIS PUBLICA
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16、ctez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60122-3 Edition 4.0 2010-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Quartz crystal units of assessed quality Part 3: Standard outlines and lead connections Rsonateurs quartz sous assurance de la qualit Partie 3: Encombre
17、ments normaliss et connexions des sorties INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE T ICS 31.140 PRICE CODE CODE PRIX ISBN 978-2-88912-211-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique
18、 Internationale 2 60122-3 IEC:2010 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Guidance for the standardization of outline drawings for frequency control and selection devices6 2.1 General .6 3 Dimensions of quartz crystal unit enclosures 7 4 Designation of quartz crystal unit enclosures8 Bibliog
19、raphy24 Figure 1 Guidance for outline drawings7 Table 1 Designation of quartz crystal unit enclosures.8 60122-3 IEC:2010 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ QUARTZ CRYSTAL UNITS OF ASSESSED QUALITY Part 3: Standard outlines and lead connections FOREWORD 1) The International Electrotechnica
20、l 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 en
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29、lication 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 Pub
30、lication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60122-3 has been prepared by IEC Technical Committee 49: Piezoelectric, dielectric and electrostatic devices and associated materials for frequenc
31、y control, selection and detection. This fourth edition cancels and replaces the third edition published in 2001. This fourth edition constitutes a technical revision. The main changes with respect to the previous edition are as follows: 12 of the 48 enclosure types contained in the previous edition
32、 have been deleted. 4 60122-3 IEC:2010 The text of this standard is based on the third edition and the following documents: CDV Report on voting 49/886/CDV 49/904/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. T
33、his publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of IEC 60122 series, published under the general title, Quartz crystal units of assessed quality, can be found on the IEC website. The committee has decided that the contents of this publication w
34、ill remain unchanged until the stability 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. 60122-3 IEC:2010 5 INTRODUCTION The thir
35、d edition of IEC 60122-3 (2004) contained 48 enclosure types showing the dimensional and geometrical characteristics 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, the following 12 enclos
36、ure types have been deleted from the third edition of lEC 60122-3. AA, AB, BC, BC/1, BF, BF/1, CX, CY, CY/1, CZ, DA, DC. Therefore, this new version (the fourth edition) contains the following 36 enclosure types ; CK, CM, CN, CP, DK, DL, DP, EH, DQ, DR, DZ, DV, DW, ED, EB, EJ, EK, CU 01A, CU 01B, CU
37、 01C, CU 01D, CU 01E, CU 01F, CU 02A, CU 02B, CU 02C, CU 02D, CU 02E, CU 02F 6 60122-3 IEC:2010 QUARTZ CRYSTAL UNITS OF ASSESSED QUALITY Part 3: Standard outlines and lead connections 1 Scope This part of IEC 60122 specifies the outline drawing for quartz crystal units with lead enclosures. 2 Guidan
38、ce for the standardization of outline drawings for frequency control and selection devices 2.1 General In order to achieve a uniform presentation of all outline drawings for frequency control and selection devices the following guide shall be considered: 2.2 An outline drawing shall show all dimensi
39、onal and geometrical characteristics of an enclosure necessary to ensure mechanical interchangeability with all other enclosures of the same outline. Enlarged detailed view may be used, if necessary. 2.3 The outline drawing shall consist of three parts: 2.3.1 A drawing with dimensional symbols (capi
40、tal letter) as shown in Figure 1 below with applicable notes, if necessary. 2.3.2 A tabular listing relating to the drawing symbols to the actual dimensions. Where possible this shall be shown on the same page as the drawing. 2.3.3 An “actual-size“ sketch (scale 1:1). 2.4 The outline drawing shall b
41、e executed in the third angle projection. 2.5 The function and identification of the lead connections (termination) shall be determined by agreement between the supplier and user. They shall not be defined on the outline drawing. 2.6 Descriptive notes may be used at the bottom of/ or adjacent to, th
42、e drawing with proper reference to the body of the drawing. 2.7 All dimensions shall be in millimeters. 2.8 Outline dimensions A, B, C, D and E shall be listed with maximum values only. 2.9 Lead (termination) cross-sectional dimensions shall be listed with minimum and maximum values. If applicable,
43、nominal dimensions may be added. 2.10 The spacing of the leads (termination) symbol H shall be listed with minimum, nominal and maximum dimensions. 60122-3 IEC:2010 7 NOTE 1 In this sentence, a comment related to K or to the number X should be notified. NOTE 2 In this sentence, a comment related to
44、U and W or to the number X should be notified Figure 1 Guidance for outline drawings Scale 2 :1 Sheet - number 2.11 If leads (terminations) are provided with an undercut dimensions U and W shall be listed with minimum dimensions only. 3 Dimensions of quartz crystal unit enclosures The dimensions in
45、this standard apply to the competed quartz crystal units. Dimensions (mm) Ref. Min. Nom. Max. Notes A X B X C X D X E X H X X X K X X 1 L X X U X 2 W X 2 E D C L H U W K A B Actual size IEC 2244 / 03 IEC 2256/10 8 60122-3 IEC:2010 Only those dimensions which meet the requirements of the guidance for
46、 standardization of outline drawings are given (see Clause 2). 4 Designation of quartz crystal unit enclosures See Table 1. Table 1 Designation of quartz crystal unit enclosures No. Type Sheet No. Description 1 CK, CM CN, CP Sheet 1 Metal, welded, three-lead crystal unit outline 2 DK Sheet 2 Metal,
47、welded, three-lead crystal unit outline 3 DL Sheet 3 Metal, welded, two-lead crystal unit outline 4 DP EH Sheet 4 Metal, welded, two-lead crystal unit outline 5 DQ Sheet 5 Metal, welded, two-lead crystal unit outline 6 DR Sheet 6 Metal, welded, four-lead crystal unit outline 7 DZ Sheet 7 Metal, weld
48、ed, two-lead crystal unit outline 8 DV Sheet 8 Metal, solder-diffusion-seared, two-lead, two-lead cylindrical unit outline 9 DW Sheet 9 Metal, solder-diffusion-sealed, two-lead cylindrical crystal unit outline 10 ED Sheet 10 Metal, solder-diffusion-sealed, two-lead cylindrical crystal unit outline 1
49、1 EB, EJ, EK Sheet 11 Metal, welded, two-lead crystal unit outline 12 CU 01A. CU 01B. CU 01C. CU 01D. CU 01E. CU 01F. Sheet 12 Metal, welded, two-lead crystal unit outline for automatic handling 13 CU 02A. CU 02B. CU 02C. CU 02D. CU 02E. CU 02F. Sheet 13 Metal, welded, two-lead crystal unit outline for automatic handling 14 CU 04A. CU 04B. CU 04C. CU 04D. Sheet 14 Metal
