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This article describes an IDC (Insulation Displacement Contact) connector which permits multi-wire cables to be mass terminated at printed circuit cards.
English (United States)
This text was extracted from a PDF file.
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This is the abbreviated version, containing approximately
88% of the total text.
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IDC Connector For Cable To Card Termination
This article describes an IDC (Insulation Displacement Contact) connector
which permits multi-wire cables to be mass terminated at printed circuit cards.
Fig. 1 shows a segment 10 of a printed circuit card with conductive lands or
pads 12. An IDC connector 14 includes a plurality of individual contacts 16, 18,
20, 22. The connector 14 can be slid onto the printed circuit card 10, with each
of the individual contacts being aligned with one of the conductive lands 12.
Each of the contacts includes a forked arm 24. The arms 24 in the connector 14
are preferably staggered into two or more ranks. For example, in Fig. 1, the arms
on contacts 16 and 20 are in one rank, while the arms of contacts 18 and 22 are
in a second rank.
The arms receive the unstripped ends of individual wires in a multiwire round
or flat cable. Each fork cuts the insulation on a wire to make electrical
connection with the metal core. The connections between the individual wires
and the individual contacts can be enhanced by localized heating of the
Fig. 2 is a stamped metal blank for the connector 14 prior to the time it is bent
into the configuration shown in Fig. 1. The fold lines are represented by small,
horizontal dashes. Individual connectors are joined by bridges 26 which are
ruptured when the vertical arms are formed. The connectors are also joined at a
selvage strip 28 which remains in place until the connector assembly...