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MIL-C-17F RG 58 C/U 50 Coaxial Cable

RG 58 coaxial cable is a kind of flexible cable with Concentric conductors, PE insulation and PVC Sheath coaxial cable.

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Application

Coaxial cables are applied for broadband transmission of radio, TV, video and data signals. Applicable up to GHz-a level, with low attenuation and low signal distortion. RG58 coaxial cable is applied for inst. in two-way radio systems and for connection of measurement equipment. Earlier applied as Ethernet cable, which was replaced with CAT 5e cable. Polyethylene of low dielectric constant enables high-speed signal diffusion and good flexibility at installation. Permitted only indoor application, exceptionally also outdoor, under protection against sunlight.

Standard

MIL-C-17F

MIL-C-17G

Construction

Inner conductor:tinned copper, fine wired stranded, diameter 0,9 ± 0,01 mm, 19 x 0,18 mm

Insulation (dielectric):polyethylene, external diameter 2,95 ± 0,05 mm

External conductor:braid of tinned copper wires 0,10 mm, 96% optical overlap

Sheath:PVC, external diameter 4,95 ± 0,10 mm

sheath colour:black


Technical data

Temperature range: 

during installation:-15 °C up to +55 °C

operating temp.:-40 °C up to +85 °C

Min. inner bending radius: without load:5D (25 mm)

                        under load:10D (50 mm)

Behaviour in fire:IEC 60332-1

Maximal tensile strength:120 N

Cable weight:  37 kg/km

Copper weight:20 kg/km


Advantages

high-bandwidth communications over relatively long repeater-less lines


Technology specification


Frequency(MHz)Attenuation (dB/100 m)Attenuation (dB/100 ft)
509.82.99
10014.14.3
20020.66.28
40030.49.27
50034.810.61
60038.711.8
86047.914.6
100052.816.1
Return Loss :  
30-300 MHz>26dB 
300-600 MHz>25dB 
600-900 MHz>22dB


Electrical specifications

Impedance50±3 Ohm
Nominal capacitance100 pF/m
Velocity of propagation66%
Insulation resistance>2000 Mohm.Km
Inner conductor resistance44 Ohm/Km
Outer conductor resistance24 Ohm/Km
Operating temperature range-30 °C - +70 °C
Copper weight12.4 Kg/Km
Cable weight (approx.)34.4 Kg/Km
Screening effectiveness>50 dB

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