75 OHM JIS C3501 Standard Coaxial Cable | 75 OHM JIS系列数字传输同轴电缆 |
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Item | 产品 |
1.5C-2V |
2.5C-2V |
3C-2V |
5C-2V |
7C-2V |
|
Inner Conductor | 内导体 (mm) |
Φ0.26 BC |
Φ0.4 BC |
Φ0.5 BC |
Φ0.8 BC |
7/Φ0.4 BC |
|
Insulation | 绝缘 (mm) |
1.6 SPE |
2.4 SPE |
3.1 SPE |
4.9 SPE |
7.3 SPE |
|
First Shield | 第一层屏蔽 |
BC/CCA/ CCS Braiding |
BC/CCA/ CCS Braiding |
BC/CCA/ CCS Braiding |
BC/CCA/ CCS Braiding |
BC/CCA/ CCS Braiding |
|
Second Shield | 第二层屏蔽 |
/ |
/ |
3C-2W |
5C-2W |
/ |
|
Jacket | 外扩套 (mm) |
2.9±0.10 |
4.0±0.10 |
5.4±0.20 |
7.4±0.20 |
10.4±0.20 |
|
Electrical Characteristics | 电气性能 |
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Attenuation | 衰减 20℃, ≤db/100m |
1MHz |
2.83 |
1.53 |
1.25 |
0.85 |
0.55 |
4MHz |
5.60 |
3.30 |
2.60 |
1.70 |
10MHz 2.2 |
|
17MHz |
13.30 |
6.80 |
5.30 |
3.60 |
30MHz 3.2 |
|
70MHz |
/ |
14.0 |
11.0 |
7.40 |
200MHz 9.0 |
|
77.5MHz |
/ |
15.78 |
12.60 |
8.83 |
/ |
|
311MHz |
/ |
31.50 |
25.30 |
25.0 |
/ |
|
Impedance | 阻抗 (Ω) |
75±3 |
75±3 |
75±3 |
75±3 |
75±3 |
|
Nominal Capacity | 额定电容(pf/m) |
69 |
67 |
67 |
67 |
67 |
|
