1、INTERNATIONAL IEC STANDARD 62025-1 Second edition2007-05 High frequency inductive components Non-electrical characteristics and measuring methods Part 1:Fixed,surface mounted inductors for use in electronic and telecommunication equipment Reference number IEC 62025-1:2007(E)LICENSED TO MECON Limited
2、.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 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,e
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8、the Customer Service Centre FAQ or contact us:Email:csciec.chTel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL IEC STANDARD 62025-1 Second edition2007-05 High frequency inductive c
9、omponents Non-electrical characteristics and measuring methods Part 1:Fixed,surface mounted inductors for use in electronic and telecommunication equipment M Commission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODE For price,see current catalogueLICENSED TO MECO
10、N Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62025-1 IEC:2007(E)CONTENTS FOREWORD.3 1 Scope and object.5 2 Normative references.5 3 Graphical symbols and designations.5 3.1 Designation.5 4 Shape.7 5 Dimensions.8 5.1 Shape D.8 5.2 Shape K.9 5.3 To
11、lerances for outline dimensions.9 6 Ratings and characteristics.10 6.1 Nominal inductance or impedance.10 6.2 Tolerance for nominal inductance or impedance.10 6.3 Operating temperature range.10 7 Marking.12 8 Direction marking or shape of polarity.12 Bibliography.13 Table 1 Letter code for inductanc
12、e value.6 Table 2 Dimensions for shape D.8 Table 3 Dimensions of height for shape D(R 20 series).8 Table 4 Dimensions of height for shape D less than 1,00 mm.9 Table 5 Dimensions for shape K.9 Table 6 Tolerances for outline dimension and height.10 Table 7 E 24 series for nominal inductance or impeda
13、nce.10 Table 8 Tolerance for nominal inductance or impedance.10 Table 9 Temperatures to be selected for operating temperature ranges.11 Table 10 User reference/Examples of application and operating temperature range.11 Figure 1 Shapes of inductor and ferrite beads(examples).7 LICENSED TO MECON Limit
14、ed.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62025-1 IEC:2007(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HIGH FREQUENCY INDUCTIVE COMPONENTS NON-ELECTRICAL CHARACTERISTICS AND MEASURING METHODS Part 1:Fixed,surface mounted inductors for use in electr
15、onic and telecommunication equipment FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of the IEC is to promote international co-operation on all questio
16、ns 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-governmenta
