HD 203
HF-75Flex Trishield
Application Area
This HF-75 type Flexible Trunk cable is specifically designed for use in the field of CATV and multimedia network, for both, direct burial and for installation in duct or pipes. The sheath is made of UV resistant black PE. This particularly low-loss cable wşth Skin/Foam/Skin Gas injected PE insulation is characterised by its high stability of the electrical data. It fulfills Class A++ screening category referring to EN 50117-2-3.
Cable Construction
|
Inner Conductor |
|
Ø 2.00 mm Bare Copper |
|
Insulation |
Ø 9.10 mm Gas Injected
Skin/Foam/Skin PE |
|
1st Shielding |
Aluminum Foil
Bonded to the insulation |
|
2nd Shielding |
|
Tinned Copper Wire Braiding |
|
3rd Shielding |
Aluminum Foil
Bonded to Outer Sheath |
|
Outer Sheath |
|
Ø 12.40 mm PE |
Technical Properties
|
Copper Weight |
60 kg/km |
|
Cable Weight |
137 kg/km |
|
Min. Bending Radius |
150 mm |
|
Max. Tensile Strength |
300 N |
|
Operating Temperature |
-30 °C ... + 70 °C |
|
Packing |
500 / 1000 m |
Electrical Properties
|
Impedance |
75+2 Ω |
|
Capacitance |
53 + 2 pF/m |
|
Velocity of Propagation |
83 % |
|
Insulation Resistance |
> 2 GΩxkm |
|
Operating Voltage |
2000 V |
|
Test Voltage |
8000 V |
|
Inner Conductor DCR |
< 5.60 Ω/km |
Attenuations (20°C)
|
5 MHz |
0.80 dB/100m |
|
50 MHz |
2.40 dB/100m |
|
230 MHz |
5.10 dB/100m |
|
470 MHz |
7.40 dB/100m |
|
860 MHz |
10.40 dB/100m |
|
1000 MHz |
11.30 dB/100m |
|
1200 MHz |
13.60 dB/100m |
Return Loss (20°C)
|
5-470 MHz |
> 30 dB |
|
470-1000 MHz |
> 25 dB |
|
1000-1200 MHz |
> 20 dB |
|
|
|
Transfer Impedance
Screen Attenuation
|
30-1200 MHz |
≥ 115 dB |
|
1200-2000 MHz |
> 105 dB |
|
2000-3000 MHz |
≥ 95 dB |
Standards
|
Screening Class |
Class A++ |
|
EN 50117-2-3 |
|
Yeldeğirmeni Cad. No:21 
