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SLT 1/2″-50 cable design
Structurally, the SLT 1/2″-50 cable (feeder) consists of:
- central conductor: aluminum wire with a diameter of 4,8 mm.
- dielectric: foamed polyethylene with a diameter of 12,3 mm
- outer conductor: corrugated copper tube with a diameter of 13,8 mm
- protective insulation: black polyethylene, halogen-free, non-flammable
Electrical characteristics of SLT 1/2″-50 cable
Wave resistance: 50±1 Ohm
Linear capacitance: 76 pF/m
Relative speed: 88%
Shortening factor: 1,1
Maximum frequency: 8800 MHz
Peak working HF voltage: 1,8 kV
Peak working power: 40 kW
Frequency characteristics of SLT 1/2”-50 cable
| Frequency, MHz | Attenuation, dB/100m | Power, kW |
| 150 | 2,70 | 2,45 |
| 450 | 4,75 | 1,59 |
| 800 | 6,46 | 1,17 |
| 900 | 6,80 | 1,10 |
| 1800 | 10,10 | 0,71 |
| 2000 | 10,72 | 0,74 |
| 2500 | 12,13 | 0,62 |
| 3000 | 13,41 | 0,57 |
Mechanical characteristics of SLT 1/2″-50 cable
Curb weight: 200 kg/km
Tensile strength limit: 1100 N
Minimum bending radius, single: 70 mm
Minimum bending radius, repeated: 125 mm
Installation temperature range: -40...+60° C
Operating temperature range: -50...+85°C
Compatibility and analogues
The SLT 1/2″-50 coaxial cable is part of the G21 cable group and is similar in size to the following widely used HF coaxial cable types: LCF 12-50 J, LDF4-50A, RFA 1/2″-50, Eupen 5128, HCTAY -50-12, HCTAYZ-50-9.
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