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LEMO’s Triaxial Connectors (75
) — 4A Series
LEMO’s range of triaxial connectors are designed specifically for connections
between television cameras and control equipment. The 4A Series is widely
used by most manufacturers of professional level video cameras and is suit-
able for both indoor and outdoor environments
Technical characteristics
Recommended cables
Impedance
75
Operating frequency
2.5 GHz
VSWR (f= GHz)
1.01+0.076 f
Center contact resistance
< 3m
Contact resistance
inner screen
< 1m
Shell to shell conductivity
(for models with earthing crown)
< 1m
Watertightness
(IEC 529)
IP61
Cable group
1
7
3
6
2
0
7
1
5
2
5
6
0
9
7
Reference
Belden
8232A
RG.59/U
75±3
Belden
9192-9232
RG.11/U
75±3
Belden
9267
RG.59/U
75±3
Belden
8233A
RG.11/U
75±3
Fujikura
4.8/1.0 EFTXF
75±3
Fujikura
9.6/2.22 EFTXF
75±3
GEPCO LVT
61811
RG.11/U
75±3
MOHAWK
M52479
RG.11/U
75±3
MOHAWK
M80248
RG.59/U
75±3
MOHAWK
M56301
75±2
NOKIA
Triax 8
75±3
NOKIA
Triax 11
75±3
NOKIA
Triax 11/2
75±3
NOKIA
Triax 14
75±3
Triax
Type A2
75±3
Triax
Type B2
75±3
Basic coaxial
Imp.
cable
(
)
The 4A Series includes other types of connectors not shown in this catalog. For all
collet nut connectors, adding a Z to the end of the part number means there is a collet nut for
mounting the cable sleeve. This series is compatible with the Kings TRI-LOC KP80 Series.
FFB, FXB, FXC
FBF, FXF
~ 91
~ 62
29
S 24
S 22
35
65
47.8
S 30
32
M
25
x
1
S 22
4 maxi
FFB Straight plug with safety ring
and cable collet
FXB FFB with earthing sleeve
FXC FXB without safety ring
FBF Fixed plug with round flange
and tag, nut fixing
FXF FBF with earthing sleeve
FBK
35
65
48.5
38
2.5
3.4
25
35
FBK Fixed plug with square
flange and tag, nut fixing,
with earthing sleeve
Part Number
Cable group
FFB.4A.675.CTCC90
FFB.4A.675.CTCC95
FFB.4A.675.CTCC85
FFB.4A.675.CTCC97
FFB.4A.675.CTCC11
FFB.4A.675.CTCC13
FFB.4A.675.CTCC14
FFB.4A.675.CTCC16
9
3
2
1
5
7
6
0
Weight (g)
FBF.4A.675.CTA
FXF.4A.675.CTA
154
Part Number
Weight (g)
FBK.4A.675.CTA
165
Part Number
FXD
9 maxi
S 28
S 22
~91
47.8
~62
35
S 36
36
M
30
x
1
41.5
FXD Fixed plug, nut fixing wiht
round flange, earthing sleeve
and cable collet
Weight (g)
Part Number
FXD.4A.675.CTCC90
FXD.4A.675.CTCC95
FXD.4A.675.CTCC85
FXD.4A.675.CTCC97
FXD.4A.675.CTCC11
FXD.4A.675.CTCC13
FXD.4A.675.CTCC14
FXD.4A.675.CTCC16
9
3
2
1
5
7
6
0