1、 INTERNATIONALSTANDARD IEC60938-2 QC 280100Edition 2.12006-11 Fixed inductors for electromagnetic interference suppression Part 2:Sectional specification Reference number IEC 60938-2:1999+A1:2006(E)Edition 2:1999 consolidated with amendment 1:2006 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTER
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8、ease contact the Customer Service Centre:Email:custserviec.ch Tel:+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 STANDARD IEC60938-2 QC 280100Edition 2.12006-11 Fixed inductors for e
9、lectromagnetic interference suppression Part 2:Sectional specification IEC 2006 Copyright-all rights reserved 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 the pub
10、lisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch CGFor price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrot
11、echnical Commission Edition 2:1999 consolidated with amendment 1:2006 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60938-2 IEC:1999+A1:2006(E)CONTENTS FOREWORD.4 1 General.6 1.1 Scope.6 1.2 Object.6 1.3 Normative references.6 1.4
12、Information to be given in a detail specification.7 1.5 Definitions.8 1.6 Marking.8 2 Preferred ratings and characteristics.8 2.1 Climatic categories.8 2.2 Values of ratings.9 3 Quality assessment procedures.9 3.1 Primary stage of manufacture.9 3.2 Structurally similar inductors.9 3.3 Certified reco
13、rds of released lots.10 3.4 Qualification approval.10 3.5 Quality conformance inspection.14 4 Test and measurement procedures.14 4.1 Visual examination and check of dimensions.14 4.2 Voltage proof.15 4.3 Insulation resistance.15 4.4 Inductance.16 4.5 DC line resistance.16 4.6 Robustness of terminati
14、ons.16 4.7 Resistance to soldering heat.16 4.8 Solderability.16 4.9 Rapid change of temperature.16 4.10 Vibration.17 4.11 Bump.17 4.12 Shock.18 4.13 Container sealing.18 4.14 Climatic sequence.18 4.15 Damp heat,steady state.19 4.16 Temperature rise(applies only to inductors with a mass 5 g).19 4.17
15、Impulse voltage(applies to inductors with more than one winding).20 4.18 Endurance.21 4.19 Passive flammability(if applicable).22 4.20 Component solvent resistance(if applicable).22 4.21 Solvent resistance of marking(if applicable).22 Annex A(normative)Test schedule for safety tests only approval.23
16、 Annex B(normative)Test schedule for safety tests and performance tests for qualification approval,assessment level D.26 Annex C(normative)Example of a suitable circuit for the endurance test voltage.31 Annex D(normative)Declaration of design(confidential to the manufacturer and the certification body).32 Annex E(normative)Test methods for thyristor electromagnetic interference suppression inductors.33 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY