產品簡介
SpecificationsProductClassificationProductTypeAircoaxialcableProductBrandHELIAX®ProductSeriesHJ8-50BGeneralSpecificationsFlexibilityStandardJacketColorBlackDimensionsDiameterOverJacket76
詳情介紹
Specifications
Product Classification
| Product Type | Air coaxial cable |
| Product Brand | HELIAX® |
| Product Series | HJ8-50B |
General Specifications
| Flexibility | Standard |
| Jacket Color | Black |
Dimensions
| Diameter Over Jacket | 76.454 mm | 3.01 in |
| Inner Conductor OD | 28.956 mm | 1.14 in |
| Outer Conductor OD | 72.39 mm | 2.85 in |
| Nominal Size | 3 in |
| Cable Volume | 3409.540 L/km | 36.7 ft3/kft |
Electrical Specifications
| Cable Impedance | 50 ohm ±0.5 ohm |
| Capacitance | 71.194 pF/m | 21.7 pF/ft |
| dc Resistance, Inner Conductor | 0.15 ohms/kft | 0.492 ohms/km |
| dc Resistance, Outer Conductor | 0.07 ohms/kft | 0.23 ohms/km |
| dc Test Voltage | 16000 V |
| Inductance | 1.87 µH/m | 0.57 µH/ft |
| Insulation Resistance | 100000 MOhms-km |
| Jacket Spark Test Voltage (rms) | 10000 V |
| Operating Frequency Band | 1 – 1640 MHz |
| Peak Power | 640 kW |
| Power Attenuation | 5.997300148010254 |
| Velocity | 93 % |
Attenuation
| Frequency | Attenuation (dB/100 m) | Attenuation (dB/100 ft) | Average Power (kW) |
| 1.0 MHz | 0.041 | 0.013 | 475.58 |
| 1.5 MHz | 0.051 | 0.015 | 387.14 |
| 2.0 MHz | 0.059 | 0.018 | 334.42 |
| 10.0 MHz | 0.135 | 0.041 | 146.13 |
| 20.0 MHz | 0.194 | 0.059 | 101.59 |
| 30.0 MHz | 0.240 | 0.073 | 81.89 |
| 50.0 MHz | 0.316 | 0.096 | 62.17 |
| 85.0 MHz | 0.424 | 0.129 | 46.44 |
| 88.0 MHz | 0.432 | 0.132 | 45.55 |
| 100.0 MHz | 0.464 | 0.141 | 42.41 |
| 108.0 MHz | 0.484 | 0.148 | 40.62 |
| 150.0 MHz | 0.584 | 0.178 | 33.72 |
| 174.0 MHz | 0.635 | 0.194 | 30.97 |
| 200.0 MHz | 0.689 | 0.210 | 28.57 |
| 204.0 MHz | 0.697 | 0.212 | 28.24 |
| 300.0 MHz | 0.874 | 0.266 | 22.51 |
| 400.0 MHz | 1.039 | 0.317 | 18.93 |
| 450.0 MHz | 1.117 | 0.340 | 17.62 |
| 460.0 MHz | 1.132 | 0.345 | 17.38 |
| 500.0 MHz | 1.191 | 0.363 | 16.52 |
| 512.0 MHz | 1.209 | 0.368 | 16.28 |
| 600.0 MHz | 1.334 | 0.407 | 14.75 |
| 700.0 MHz | 1.470 | 0.448 | 13.38 |
| 800.0 MHz | 1.600 | 0.488 | 12.29 |
| 824.0 MHz | 1.631 | 0.497 | 12.06 |
| 894.0 MHz | 1.719 | 0.524 | 11.45 |
| 960.0 MHz | 1.800 | 0.549 | 10.93 |
| 1000.0 MHz | 1.848 | 0.563 | 10.65 |
| 1218.0 MHz | 2.103 | 0.641 | 9.35 |
| 1250.0 MHz | 2.140 | 0.652 | 9.20 |
| 1500.0 MHz | 2.417 | 0.737 | 8.14 |
Material Specifications
| Dielectric Material | PP |
| Jacket Material | PE |
| Inner Conductor Material | Copper tube |
| Outer Conductor Material | Corrugated copper |
Mechanical Specifications
| Minimum Bend Radius, multiple Bends | 762 mm | 30 in |
| Number of Bends, minimum | 15 |
| Number of Bends, typical | 25 |
| Tensile Strength | 340 kg | 749.571 lb |
| Bending Moment | 40.675 N-m | 30 ft lb |
| Flat Plate Crush Strength | 3.125 kg/mm | 175 lb/in |
| Pressurization, maximum | 0.207 N/mm2 | 30 psi |
Environmental Specifications
| Installation temperature | -40 °C to +60 °C (-40 °F to +140 °F) |
| Operating Temperature | -40 °C to +85 °C (-40 °F to +185 °F) |
| Storage Temperature | -70 °C to +85 °C (-94 °F to +185 °F) |
| Attenuation, Ambient Temperature | 20 °C | 68 °F |
| Average Power, Ambient Temperature | 40 °C | 104 °F |
| Average Power, Inner Conductor Temperature | 121.111 °C | 250 °F |
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