1、 IEC/TS 62647-21 Edition 1.0 2013-07 TECHNICAL SPECIFICATION Process management for avionics Aerospace and defence electronic systems containing lead-free solder Part 21:Program management Systems engineering guidelines for managing the transition to lead-free electronics IEC/TS 62647-21:2013(E)Copy
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10、further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TS 62647-21 Edition 1.0 2013-07 TECHNICAL SPECIFICATION Process management for avionics Aerospace and defence electronic systems containing lead-free solder Part 21:Program management Systems engineering guidelines for m
11、anaging the transition to lead-free electronics INTERNATIONAL ELECTROTECHNICAL COMMISSION V ICS 03.100.50;31.020;49.060 PRICE CODE ISBN 978-2-8322-1019-2 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized dist
12、ributor.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TS 62647-21 IEC:2013(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.
13、8 3 Terms,definitions and abbreviations.8 3.1 Terms and definitions.8 3.2 Abbreviations.11 4 General discussion of program management/systems engineering management concerns.11 4.1 General.11 4.2 Concerns in accordance with IEC/TS 62647-1.12 4.2.1 General.12 4.2.2 Reliability.12 4.2.3 Configuration
14、control.12 4.2.4 Risk management.12 4.2.5 Detrimental effects of tin.12 4.2.6 Rework/repair and maintenance.13 4.3 Additional program management/system engineering management concerns.13 4.3.1 General.13 4.3.2 Cost.13 4.3.3 Commercial off-the-shelf.14 4.3.4 Quality.14 4.3.5 Contractual language.14 4
15、.3.6 Program constraints.14 4.3.7 System engineering management plan.14 5 Requirements definition.15 5.1 General.15 5.2 Customer requirements.15 5.2.1 General.15 5.2.2 WEEE and RoHS Directives.15 5.2.3 Executive Order 13148(green initiative).15 5.3 Additional prime contractor requirements.15 5.4 Cha
16、nge control.15 6 Use environment(s).15 6.1 Impact on use environment(s).15 6.2 Impact on storage and transport.15 7 Decision criteria.16 7.1 Program decision concerning Pb-free.16 7.2 Compliance to IEC/TS 62647-1.16 7.3 Solder alloy chosen.16 7.4 Other programs.16 7.4.1 General.16 7.4.2 Percentages of product.16 7.4.3 Supplier awareness.16 8 Suppliers lead-free control plan.16 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madi