1
XG4
Flat Cable Connectors
The Mainstream of Circuit Board
Connectors conforming MIL Standards
with Improved Design.
■Our new production system improves reliability.
■Space-saving Box-type Plugs (XG4C) available.
■IDC Plugs (XG4E) can be used for relaying.
■An endless number of combinations can be made
using the XG-5 IDC Connectors for discrete wires,
XG8 Original Plugs, and the XG2 IDC Connectors
for PCBs.
■The Original Plugs (XG8) and the Box-type Plugs
(XG4C) can be locked using Lock Levers.
■Conform to MIL standards (MIL-C-83503).
■UL standards (file No. E103202) (All XG4 models
except those with XG4U)
■Terminology
zMIL standard
Abbreviation for Military Standard. To unify the compatibil-
ity and quality assurance condition of each company, MIL-
C-83503 (applicable to connectors) was established in
1977.
zOpen-end cover
An open-end cover has a structure where a flat cable can
be pulled out from both sides of the cover when a cable is
attached to a connector. (The cover having a structure
where a flat cable can be pulled out from only one side of
the cover is called a "Closed-end cover.")
zStandoff
Part provided for lifting the housing from the board (This
part improves airflow at the through-hole for better assem-
bly.)
■Ordering Information
■Ratings and Characteristics
Note: 1. The rated current will depend on the Socket you are using. It is 1 A using the XG4M for example.
RoHS Compliant
Model XG4M
XG4M-U
XG4M
XG4T
XG4A XG4A XG4E
XG4S
XG4C XG4H
Appear-
ance
MIL sockets
with strain relief
(with lock)
MIL sockets with
strain relief
MIL plugs Plugs with
dual ports
IDC plugs with
strain relief
Box-type plugs Board-to-board
sockets
Page 3 4 5 to 10 11 to 12 13 to 14 15 to 16 17 to 18
Item MIL Sockets: XG4M
Relay Plug: XG4E
MIL Plugs: XG4A
Box-type Plugs: XG4C
Board-to-board Sockets: XG4H
Rated current 1 A 3 A (See note 1.)
Rated voltage 250 VAC 300 VAC
Contact resistance 20 mΩ max. (at 20 mV, 100 mA max.)
Insulation resistance 1,000 MΩ min. (at 500 VDC)
Dielectric strength 500 VAC for 1 min (leakage current: 1 mA max.)
Total insertion force 1.96 N max. per contact
Removal force 0.39 N min. (with test gauge, t= 0.64 mm)
Insertion durability 50 times
Ambient operating
temperature
−55 to 105°C (with no icing at low temperature)
■Cross-sectional View
of Terminal
0.65 dia.
XG4H
0.7 dia.
XG4A
XG4C