Coaxial DF-B Cable Series ( 3D-FB 4D-FB 5D-FB 7D-FB  8D-FB 9D-FB 10D-FB )

D-FB Cable Series

Description

D-FB Cable Series with Foamed polyethylene insulated is manufactured according to standard of Japan Kansai communication cable Ltd. This cable is usually applied as feeder cable of antenna for mobile or radio communication, jumper cable of base station and military data cable etc.

INCLUDE:
3D-FB 4D-FB 5D-FB 7D-FB  8D-FB 9D-FB 10D-FB

Specification

Specifications - Structure (mm)

Structure 3D-FB 4D-FB 5D-FB 7D-FB 8D-FB 9D-FB 10D-FB
Inner Conductor 1.02 1.42 1.80 2.60 2.8 3.2 3.5
Dielectric 2.95 3.80 5.00 7.30 7.80 9.00 10.00
Outer Conductor 3.65 4.50 5.70 8.30 8.80 10.00 11.00
Jacket 5.00 6.10 7.50 10.20 11.10 12.20 13.00

 

Specifications - Electrical Characteristics

Item 3D-FB 4D-FB 5D-FB 7D-FB 8D-FB 9D-FB 10D-FB
DC Resistance (ohm/km) Inner Conductor 22.00 10.50 6.91 3.31 2.86 2.18 1.82
Outer Conductor 13.50 12.76 10.50 11.10 8.25 7.50 5.30
Insulation Resistance MΩ·km 5000
Dielectric Strength (kv) 1.6
Velocity of Propagation 0.81 0.81 0.82 0.82 0.82 0.82 0.82
Impedance (ohm) 50±2
VSWR ≤1.2
Withstand Voltage (V DC) 1000 1000 2000 2500 2500 2500 3000
Capacitance (pF/m) 81

 

Specifications - Attenuation (dB/100m)

Frequency (MHz) 3D-FB 4D-FB 5D-FB 7D-FB 8D-FB 9D-FB 10D-FB
50 7.8 5.8 4.7 3.2 3.0 2.9 2.5
100 11.5 8.4 6.7 4.7 4.5 4.1 3.5
150 11.5 8.4 6.7 4.7 4.5 4.1 3.5
200 16.7 11.5 9.1 6.3 6.1 5.6 4.8
280 18.1 12.9 10.9 7.5 7.3 6.6 5.5
350 19.5 16.5 12.2 8.4 8.2 7.3 6.2
400 21.5 17.6 13.0 9.0 8.6 7.9 7.0
500 22.7 18.2 14.6 10.0 9.6 8.8 7.8
600 25.9 19.8 16.2 11.2 10.7 9.7 8.7
800 30.2 23.6 18.9 12.8 12.3 11.6 10.0
900 31.8 24.5 20.0 14.1 13.0 12.5 11.0
1000 32.6 25.9 21.5 15.1 14.3 13.6 11.9
1200 36.9 28.3 24.0 16.8 16.5 15.4 13.2
1500 42.5 33.5 27.2 19.2 18.7 17.6 15.3
1800 45.9 36.8 30.4 21.7 21.0 19.1 16.8
1900 46.8 37.7 31.3 22.4 21.7 19.5 17.2
2000 48.2 38.7 32.5 23.2 22.5 21.7 17.8
2100 49.3 39.7 33.4 23.9 23.2 22.3 18.4
2400 53.1 42.6 35.8 25.7 24.8 23.6 19.6
2800 61.1 46.7 39.3 28.3 27.6 25.1 21.6
3000 65.2 48.6 40.9 29.5 28.4 25.9 22.5