Product Details

 
 
 
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Information
fccc
Prod.
NK 7/8" Feeder
Prod No.
FC-Feeder-cable-NK-7/8
Application and Properties:
NK 7/8" feeder cable is a coaxial cable and its impedance is 50 ohms and also Its outer conductor made from corrugated copper and also its inner conductor is a copper tube. NK Cables’ feeder cables have been designed to meet the highest quality and environmental standards. the feeder cables are produced in Oulu Finland, China and Brazil. the feeder cable mainly used for the connection of transmitter, receiver and antenna.
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Other Details
• High quality and excellent performances
• Low attenuation
• Complete Shielding for minimizing system interference
 
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Technical Specification
Technical Specifications
Construction Specifications
Copper tube Inner conductor
Cellular Polyethylene Dielectric
Corrugated Copper tube Outer Conductor
Min. installation temperature UV retardancy IEC 60332-3 C
fire retardant
IEC 61034
low smoke emission
IEC 60754 -1/-2
halogen free, non corrosive
Jacket Type Sheath

-40°C

Yes No No Yes Black HD polyethylene RFS 7/8" -50

-C

No Yes Yes Yes Grey, halogen free fire retardant thermoplastic RF 7/8" -50 GHF

-5°C

Yes Yes Yes Yes Black, halogen free fire retardant thermoplastic RF 7/8" -50 BHF
Physical Dimensions
9.0mm Inner conductor diameter
22.2 mm Dielectric diameter
24.9 mm Outer Conductor diameter
27.5 mm Sheath
Diameter
Electrical Specifications
76 pF/m Capacitance
50±1 ohms Impedance
0.185 μH/m
(0.056 μH/ft)
Inductance
0.88 Velocity factor
5300 MHz Cut-off frequency
3000 MHz Maximum operating frequency
3.2 KV Peak RF voltage rating
89 KW Peak power rating
1.04 Ω/km DC-resistance inner conductor
0.97 Ω/km DC-resistance outer conductor
Mechanical & Environmental Specifications
550 kg/km Weight
1800 N Maximum pulling force
120 mm Minimum bending radius, single bending
250 mm Minimum bending radius, repeated bending
-40 to+70 °C Operating   temperature range
 
    Attenuation & Average Power
Power rating
ambient +40°C
inner conductor +100°C

 kW
Attenuation
ambient temperature +20°C
dB/100m
max
Attenuation
ambient temperature +20°C
dB/100m
typical
Frequency
MHz
26 0.367 0.362 10 
15 0.642 0.632 30
12 0.835 0.821 50
 8.0 1.20 1.18 100
5.6 1.72 1.69 200
4.5 2.14 2.09 300
  3.8 2.50 2.44 400
3.6 2.66 2.60 450
3.4 2.82 2.75 500
3.1 3.12 3.04 600
2.8 3.39 3.31 700
2.6 3.65 3.56 800
2.5 3.78 3.68 850 
2.5 3.90 3.80 900
2.4 4.02 3.91 950
2.3 4.14 4.03 1000
2.1 4.59 4.46 1200
1.9 5.01 4.86 1400
1.8 5.41 5.25 1600
1.7 5.79 5.61 1800
1.6 5.98 5.79 1900
1.6 6.16 5.96 2000
1.5 6.52 6.30 2200
1.4 6.86 6.62 2400
1.3 7.19 6.94 2600
1.3 7.52 7.25 2800 
1.2 7.84 7.55 3000

Pictures

Catalog Download

Prod.
NK 7/8" Feeder
Publish Date.
2016