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IEC 60603-7
Edition 4.0 2020-10
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Connectors for electronic equipment –
Part 7: Detail specification for 8-way, unshielded, free and fixed connectors
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IEC 60603-7
Edition 4.0 2020-10
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Connectors for electronic equipment –
Part 7: Detail specification for 8-way, unshielded, free and fixed connectors
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 31.220.01 ISBN 978-2-8322-8959-4
– 2 – IEC 60603-7:2020 RLV © IEC 2020
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 11
4 Common features and typical connector pair . 13
4.1 View showing typical fixed and free connectors (see Figure 2) . 13
4.2 Mating information . 13
4.2.1 General . 13
4.2.2 Contacts – mating conditions . 14
4.2.3 Fixed connector . 17
4.2.4 Free connector . 23
5 Cable terminations and internal connections – Fixed and free connectors . 26
5.1 General . 26
5.2 Termination types . 27
5.2.1 Solder terminations . 27
5.2.2 Solderless terminations . 27
6 Gauges . 27
6.1 Fixed connectors . 27
6.2 Free connectors . 33
7 Characteristics . 38
7.1 General . 38
7.2 Pin and pair grouping assignment . 38
7.3 Classification into climatic category . 38
7.4 Electrical characteristics . 39
7.4.1 Creepage and clearance distances . 39
7.4.2 Voltage proof . 39
7.4.3 Current-temperature derating . 39
7.4.4 Interface contact resistance – initial only . 40
7.4.5 Input to output DC resistance . 40
7.4.6 Input-to-output DC resistance unbalance . 40
7.4.7 Initial insulation resistance . 41
7.4.8 Transfer impedance . 41
7.5 Transmission characteristics . 41
7.6 Mechanical characteristics . 41
7.6.1 Mechanical operation . 41
7.6.2 Effectiveness of connector coupling devices . 41
7.6.3 Insertion and withdrawal forces . 41
8 Tests and test schedule . 41
8.1 General . 41
8.2 Arrangement for interface contact resistance test . 42
8.3 Arrangement for vibration test (test phase CP1) . 44
8.4 Test procedures and measuring methods . 45
8.5 Preconditioning . 45
8.6 Wiring and mounting of specimens . 46
8.6.1 Wiring . 46
8.6.2 Mounting . 46
8.7 Test schedules . 46
8.7.1 General . 46
8.7.2 Basic (minimum) test schedule . 46
8.7.3 Full test schedule . 46
Annex A (normative) Gauging continuity procedure . 58
A.1 Object . 58
A.2 Preparation of the specimens . 58
A.3 Test method . 58
A.4 Final measurements . 58
A.5 Description of the continuity gauge . 58
Annex B (normative) Locking device mechanical operation . 62
B.1 Object . 62
B.2 Preparation of the specimens . 62
B.3 Test method . 62
B.4 Final measurements . 62
Annex C (normative) Gauge requirements . 63
C.1 Fixed connectors . 63
C.2 Free connectors . 63
Annex D (normative) Keystone connector information . 64
D.1 Fixed connector, female contacts Keystone type – Type A, variant 03 in the
previous edition of this standard . 64
D.2 Mounting dimensions for type A, Keystone type variant 03 . 65
Annex E (normative) Levels of compatibility . 67
E.1 General . 67
E.2 Intermountability . 68
E.3 Intermateability . 69
E.4 Intermountability and intermateability . 69
E.5 Interoperability . 70
E.6 Interchangeability . 70
E.7 Backward compatibility . 70
Bibliography . 72
Figure 1 – IEC 60603-7 family document diagram . 7
Figure 2 – View showing typical fixed and free connectors . 13
Figure 3 – Contact interface dimensions with terminated free connector . 15
Figure 4 – Fixed connector details . 20
Figure 5 – Free connector view . 24
Figure 5 – “Go” gauge .
Figure 6 – “No-go” gauges .
Figure 6 – Fixed connector "Go" gauge . 31
Figure 7 – Fixed connector "No-go" gauges . 32
Figure 7 – “No-go” gauges .
Figure 8 – “Go” gauge .
Figure 8 – Free connector "No-go" gauges. 36
Figure 9 – Free connector "Go" gauge . 37
– 4 – IEC 60603-7:2020 RLV © IEC 2020
Figure 10 – Fixed connector pin and pair grouping assignment (front view of
connector) . 38
Figure 11 – Connector de-rating curve .
...