1、 PUBLICLY AVAILABLE SPECIFICATION IEC PAS 60603-7-3Pre-Standard First edition2004-11 Connectors for electronic equipment Part 7-3:Detail specification for 8-way,shielded,free and fixed connectors,for data transmissions with frequencies up to 100 MHz Reference number IEC/PAS 60603-7-3:2004(E)LICENSED
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8、ance,please 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.PUBLICLY AVAILABLE SPECIFICATIONIEC PAS 60603-7-3Pre-Standard First edition2
9、004-11 Connectors for electronic equipment Part 7-3:Detail specification for 8-way,shielded,free and fixed connectors,for data transmissions with frequencies up to 100 MHz PRICE CODE IEC 2004 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by an
10、y means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.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
11、.ch XC For price,see current catalogue Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 PAS 60603-7-3 IEC:2004(E)CONTENTS Page FOREWORD.6 Clause 1 Gen
12、eral.7 1.1 Scope.7 1.2 Normative references.7 2 Technical information.9 2.1 Terminology.9 2.2 Interchangeability levels.9 2.2.1 General.9 2.2.2 Intermateability.9 2.2.3 Backward Compatibility.9 2.2.4 Interoperability.9 2.3 IEC type designation.10 3 Common features and isometric view.11 3.1 Isometric
13、 view.11 3.2 Mating information for connectors with cables attached.11 3.2.1 General.11 3.2.2 Contacts.12 3.2.3 Fixed connector.14 3.2.4 Free connector(contacts not shown).17 4 Cable terminations and internal connections Fixed and free connectors.19 4.1 General.19 4.2 Termination Types.19 4.2.1 Sold
14、er terminations.19 4.2.2 Insulation displacement terminations.19 4.2.3 Crimp terminations.19 4.2.4 Insulation piercing terminations.19 4.2.5 Press-in connections(compliant pin(UC).19 4.2.6 Spring-clamp terminations.19 4.2.7 Other types.19 5 Gauges.20 5.1 Fixed connectors.20 5.2 Free connectors.22 6
15、Characteristics.25 6.1 General.25 6.2 Pin and pair grouping assignment.25 6.3 Classification into climatic category.25 6.4 Electrical.26 6.4.1 Creepage and clearance distances.26 6.4.2 Voltage proof.26 6.4.3 Current-carrying capacity.26 6.4.4 Mating cycles with power applied.27 6.4.5 Initial contact
16、 resistance between separable fixed and free connectors.27 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.PAS 60603-7-3 IEC:2004(E)3 6.4.6 Input to output d.c.resistance.27 6.4.7 Input to output d.c.resistance unbalance.28 6.4.8 Insulation resistance.28 6.4.9 Transfer impedance.28 6.5 Transmission characteristics.28 6.5.1 General.28 6.5.2 Insertion loss.28 6.5.3 Return loss.29 6.5.4 Propagation delay.29 6.5.5 Delay skew.29 6.5.6 N
