Foam insulated radio frequency cables
RK 50-3-a90V
Application
Cables are designed for outdoor installation in terrestrial and satellite television systems, in collective and cable television systems, as a connector for antenna-feeder devices with transmitting equipment for trunking communication and switching of microwave devices in the frequency range from 5 to 3000 MHz.
Cable design
1. Conductor: copper 1.05 mm
2. Insulation: FHDPE
3. Shield Material: aluminum polymer foil + tined copper braid
4. Sheath: PVC
Installation and operation conditions
Temp Rating:
- Non-UL Temp Rating: -10 °C ... +60 °C;
- Operating Temp Range: -20 °C ... +60 °C.
Min Bend Radius: ≥ 10
Standards
Main technical and mechanical characteristics
| Electrical parameters at 20°C | Frequency, kHz | Value |
| Test voltage for 1 min, kV- between the inner and outer conductor | 0,05 | 2,0 |
| Electric resistance of internal conductor, Ohm / km, no more | D.C. | 21 |
| Impedance, ohm | from 5 000 to 3 000 000 | 50 ± 2,5 |
| Working capacity, pF / m | from 0,8 to 1,0 | 82,5 ± 10 |
| Attenuation coefficient, nom., DB / 100m | 200 000 1 000 000 |
15,3 33,5 |
Nomenclature and mass-dimensional characteristics
| Cable brand | Outside diameter, mm | Weight, kg/km |
| RK 50-3-a90V | 4,95 | 37 |