CONNECTORS FOR ELECTRONIC EQUIPMENT - PART 4-108: PRINTED BOARD CONNECTORS WITH ASSESSED QUALITY - DETAIL SPECIFICATION FOR CABLE-TO-BOARD CONNECTORS, WITH A MODULAR PITCH OF 25 MM AND INTEGRATED SHIELDING FUNCTION, APPLICABLE FOR TRANSVERSE PACKING DENSITY OF 15 MM, HAVING A BASIC GRID OF 2,5 MM IN ACCORDANCE WITH IEC 60917-1
International Electrotechnical Committee
FOREWORD
1 General data
1.1 Recommended method of mounting
1.1.1 Maximum number of contacts
1.2 Ratings and characteristics
1.3 Normative references
1.4 Marking
1.5 IEC type designation
1.6 Ordering information
2 Technical information
2.1 Definitions
2.1.1 Mechanical features
2.1.2 Contacts and terminations
2.1.3 Engagement sequence
2.1.4 Mechanical coding, locking
2.2 Surveys of styles and variants
2.2.1 Styles of connectors
2.2.2 Survey of termination variants
2.3 Information on application
2.3.1 Connector pairs
2.3.2 Fixed board connectors
2.3.3 Free cable connectors
2.3.4 Accessories
2.3.5 Shielding and grounding
2.3.6 Basic styles of the connections
2.4 Survey of contact arrangements
3 Dimensional information
3.1 General
3.2 Isometric view and common features
3.2.1 Common features
3.2.2 Reference system
3.2.3 Height dimensions
3.2.4 Width dimensions
3.2.5 Depth dimensions
3.3 Mating information
3.3.1 Engaging direction
3.3.2 Perpendicular to engaging direction
3.3.3 Inclination
3.4 Fixed board connectors
3.4.1 Dimensions of board connectors
3.4.2 Dimensions of male contacts
3.5 Free cable connectors
3.5.1 Dimensions of cable connectors
3.5.2 Dimensions of female contacts
3.6 Accessories
3.6.1 Coding devices
3.6.2 Shielding/ground contact
3.7 Mounting information for fixed board connectors
3.7.1 Hole pattern on backplane
3.7.2 Hole pattern on printed board (front)
3.8 Mounting information for free cable connectors
3.9 Gauges
3.9.1 Sizing and retention force gauges
3.9.2 Test gauge for shield/ground contact
4 Characteristics
4.1 Climatic categories
4.2 Electrical
4.2.1 Creepage and clearance distances
4.2.2 Voltage proof
4.2.3 Current carrying capacity
4.2.4 Initial contact resistance
4.2.5 Initial insulation resistance
4.3 Mechanical
4.3.1 Mechanical operation
4.3.2 Engaging and separating forces
4.3.3 Contact retention in insert
4.3.4 Static load, transverse
4.3.5 Withdrawal force with gauge
4.3.6 Vibration (sinusoidal)
4.3.7 Shock
4.3.8 Polarizing method
4.3.9 Mechanical coding
4.3.10 Latching force in male connector body
4.3.11 Cable clamp resistance to cable rotation
4.3.12 Cable connector drop test
4.4 Electromagnetic compatibility (EMC)
4.4.1 Shielding effectiveness
5 Test schedule
5.1 General
5.1.1 Arrangement for contact resistance
measurement
5.1.2 Arrangement for dynamic stress tests
5.1.3 Arrangement for testing static load,
transverse
5.1.4 Arrangement for testing insulation resistance,
voltage proof and polarization voltage
5.1.5 Arrangement for flammability test
5.2 Test schedule tables
5.2.1 Group P - Preliminary
5.2.2 Group AP - Dynamic/Climatic
5.2.3 Group BP - Mechanical endurance
5.2.5 Group DP - Electrical load
5.2.6 Group EP - Mechanical resistivity
5.2.7 Group FP - Chemical resistivity
5.2.8 Group GP - Connections
5.2.9 Group HP - Electromagnetic compatibility
6 Quality assessment procedures
6.1 Qualification approval testing
6.1.1 Method 1
6.1.2 Method 2
6.2 Quality conformance inspection
6.2.1 Lot-by-lot tests
6.2.2 Periodic tests
6.3 Delayed delivery, re-inspection
Annex A (informative) Shielding effectiveness
Defines adapter connectors of modular metric construction in conformance with IEC 60917-1. Interface connectors and cable connectors are used to make the electrical connection between a closed functional unit, for example a subrack, and its environment.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 48 |
