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Coaxial Cable for Railway Application
|
 |
 |
| Inner conductor | Stranded silver plated copper |
| Insulation | Crosslink Foam PE (SPEX) |
| Outer conductor (shield 1) | Silver plated copper |
| Outer conductor (shield 2) | Silver plated copper |
| Sheath | LSZH Elastomer |
Electrical Characteristics at 20℃
| Impedance | Ω | 50+/-2 |
|---|---|---|
| Nominal Capacitance | pF/m | 94.5 |
| Minimum Insulation Resistance | MΩ.km | 100000 |
| Inner Conductor Resistance | MΩ/km | 29.9 |
| Outer Conductor Resistance | MΩ/km | 7.5 |
| Attenuation | ||
| @10MHz | dB/100m | 7 |
| @50MHz | dB/100m | 17 |
| @100MHz | dB/100m | 24 |
| @150MHz | dB/100m | 30 |
| @200MHz | dB/100m | 35 |
| @300MHz | dB/100m | 44 |
| @400MHz | dB/100m | 52 |
| @450MHz | dB/100m | 56 |
| @500MHz | dB/100m | 59 |
| @600MHz | dB/100m | 66 |
| @800MHz | dB/100m | 78 |
| @850MHz | dB/100m | 81 |
| @900MHz | dB/100m | 83 |
| @950MHz | dB/100m | 86 |
| @1000MHz | dB/100m | 89 |
| @1800MHz | dB/100m | 127 |
| @1900MHz | dB/100m | 131 |
| @2000MHz | dB/100m | 135 |
| @2400MHz | dB/100m | 152 |
| @3000MHz | dB/100m | 175 |
| @4000MHz | dB/100m | 211 |
| @5000MHz | dB/100m | 245 |
| @6000MHz | dB/100m | 277 |
| Velocity of propagation | % | 70.7 |
Mechanical and Thermal Properties
| Minimum Bending Radius | 5mm (static) |
| Temperature Range | -40℃～ +105℃ |
Dimensions and Weight
| Conductor Construction | Nominal Inner Conductor Diameter | Nominal Outer Conductor Diameter | Nominal Overall Diameter | Nominal Weight |
|---|---|---|---|---|
| No/mm | mm | mm | mm | kg/km |
| 7/0.18 | 0.54 | 2.5 | 3.16 | 21 |
Contact : niki fu, +13 1 56 11 02 51
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