PRODUCTS
HOT PRODUCTS
APPLICATIONS
7D-FB同轴电缆
结构
| 内导体 |
裸铜/铜包钢 |
Φ2.6 mm |
| 绝缘 |
发泡 /实心 PE |
Φ7.3±0.02 mm |
| 屏蔽 |
铝塑复合带 |
Φ7.5 mm |
| 外导体 |
镀锡铜编织 |
Φ8.0 mm |
| 屏蔽覆盖率 |
|
85% |
| 护套 |
PVC/PE |
Φ9.8 mm |
电气和物理性能
| 特性阻抗 |
50±3 Ohm |
| 标称电容 |
82 pF/m |
| 传播速度 |
82% |
| 绝缘电阻 |
>5000 Mohm.Km |
| 内导体电阻 |
3.3(5.0)) Ohm/Km |
| 外导体电阻 |
9.3 Ohm/Km |
| 工作温度范围 |
-40°C - +85 °C |
| 最小弯曲半径 |
49 mm |
衰减
| 频率(MHz) |
衰减(dB/100m) |
衰减(dB/100 ft) |
| 100 |
4.3 |
1.3 |
| 150 |
5.3 |
1.6 |
| 280 |
7.3 |
2.2 |
| 350 |
8.3 |
2.5 |
| 400 |
9.0 |
2.7 |
| 800 |
13.1 |
4.0 |
| 900 |
14.2 |
4.3 |
| 1200 |
16.7 |
5.1 |
| 1500 |
19.0 |
5.8 |
| 1800 |
21.2 |
6.5 |
| 1900 |
21.8 |
6.6 |
| 2000 |
22.5 |
6.9 |
| 2200 |
23.8 |
7.3 |
| 2500 |
25.7 |
7.8 |
