کابل کواکسیال LMR 300
| Description | Item | |
|---|---|---|
| RF300 C156E | HANSEN type No. | |
| 3020902 | HANSEN part No. | |
| / | NSN part No. | |
| Construction | ||
| Bare copper wire 1.78±0.02 |
Material Diameter, mm |
Inner Conductor |
| Physically foamed PE 4.83±0.20 |
Material Diameter, mm |
Insulation |
| Bonded Al/PET/Al Tape Overlap:≥25%
Tinned copper wire braid 5.66(Nominal) |
1st shield
2nd shield
Diameter, mm |
Outer Conductor |
| Polyethylene(PE) 0.80 7.62±0.20 |
Material Min. thickness, Diameter, mm |
Jacket |
| Mechanical properties | ||
| 22.2 76.2 |
Single Repeated |
Bending radius , mm |
| 55 | Tensile strength, Kg | |
| 0.54 | Crush resistance, kg/mm | |
| -70℃~+85℃ -40℃~+85℃ -40℃~+85℃ |
Store Installation Operation |
Recommend temperature , ℃ |
| Electrical properties | ||
| 6.96 | Inner conductor DC resistance, Ω/Km | |
| 7.98 | Outer conductor DC resistance, Ω/Km | |
| 50±2 | Impedance,Ω | |
| 80.4 | Capacitance, PF/m | |
| 83 | Propagation velocity, % | |
| 2.0 | DC breakdown voltage, kV | |
| >5×103 | Insulation resistance, MΩ•km | |
| 10 | Peak power, kW | |
| >90 | Screening attenuation, dB | |
| 24.5 | Cut-off frequency, GHz | |
| Attenuation @20℃,dB/100m | |
|---|---|
| Nom. Attenuation | Frequency, MHz |
| 3.8 | 30 |
| 4.9 | 50 |
| 7.9 | 150 |
| 9.5 | 220 |
| 13.1 | 450 |
| 19.4 | 900 |
| 25.3 | 1500 |
| 28.2 | 1800 |
| 29.8 | 2000 |
| 33.8 | 2500 |
| 37.4 | 3000 |
| • Maximum attenuation value shall be 105% of the nominal attenuation value | |
| Return loss | |
| ≥23 | 50-300MHz |
| ≥20 | 300-1000MHz |
| ≥16 | 1000-3000MHz |
| Environment requirements | |
| Comply with the RoHS Directive 2011/65/EU and its Subsequent amendments. | |