Cable Accessories

SMC carry a large stock of coaxial, RF twin Feeder and multi-core cables, including Heliax type low-loss coax and some less popular 75 Ohm cables, together with our extensive stock of plug types we can manufacture cable assemblies to your exact specifications.

UR76, 43, 67, 39, 57

Supplied with black PVC sheath, polythene dielectric and plain copper inner and outer conductors.

Cable Accessories


Cable Type
UR76 RG58
UR43
UR67 RG8U
UR70
UR39
UR57
Impedance (group Ohms)
50
50
50
75
75
75
Sheath diameter in mm
5
5
11
6
8
11
Characteristic Impedance (Ohms)
50
52
52
72
69
75
Velocity Ratio %
66.5
66.6
66.6
69.9
66.6
66.6
Max Volts (KV)
1.9
1.9
5
1.8
4
5
Attenuation db/100m (MHz)
1
1.7
1.4
0.63
1.48
0.79
0.56
10
5.37
4.35
1.96
4.72
2.52
1.83
100
17.38
14.2
6.6
15.25
8.39
6.19
200
25.25
22.53
9.64
22.53
12.62
9.08
300
31.5
28.5
12.13
27.8
15.77
11.38
600
50.8
45
18.1
44
26
17.15
1000
72.6
54.5
24.63
53.4
34.5
23.4
Minimum Bending Radius (cms)
2
2
12
4
7
12