S/FTP CAT7 Lan Cable
时间：2018/3/22
| 参考标准 | |||||
| YD/T 1019-2013 TIA/EIA-568C & ISO/IEC 11801, IEC61156-5 | |||||
| 线缆结构 | |||||
| 导体 | 纯铜硬导体 | ||||
| 美标线号 | 23AWG | ||||
| 导体尺寸 | 0.57±0.01mm | ||||
| 十字架 | PE | ||||
| 绝缘材质 | PE | ||||
| 芯线颜色 | 蓝白/蓝；绿白/绿；橙白/橙；黄白/黄 | ||||
| 平均绝缘厚度 | 0.22mm | ||||
| 最小绝缘厚度 | 0.18mm | ||||
| 芯线外径 | 1.35±0.05mm | ||||
| 屏蔽结构 | 单独铝箔屏蔽 | ||||
| 编织屏蔽 | 镀锡铜编织 | ||||
| 编织覆盖率 | ≥40% | ||||
| 编织网单丝直径 | 0.12mm | ||||
| 拍流线 | Yes | ||||
| 护套材质 | PVC outer jacket | ||||
| 平均护套厚度 | 0.55±0.1mm | ||||
| 最小护套厚度 | 0.43mm | ||||
| 外径 | 8.2±0.3mm | ||||
产品详情
| 工作电压 | 300/300 V | ||||
| 温度范围 | -30°C~+70°C | ||||
| 环保标准 | RoHS | ||||
| 弯曲半径 | 8 x OD（安装时） | ||||
| 4 x OD（工作时） | |||||
| 阻抗 | 4-100MHZ | 100±15ohm | |||
| 100-600MHZ | 100±32ohm | ||||
| 600-1000MHZ | 100±43ohm | ||||
| 互电容 | 5.6nF/m Max | ||||
| 直流电阻不平衡 | ≤2% | ||||
| 电容不平衡 | ≤160pF/100m | ||||
| 20 ℃导体电阻（Ω/Km） | ≤95 ohms/km | ||||
| 回转延迟 | ≤25ns/100m | ||||
| 传输速率 | 70% | ||||
| 测试频率 | 衰减 | 近端串绕 | 综合近端串绕 | 远端串绕 | 回波损耗 |
| MHz | dB/100 m | dB/100 m | dB/100 m | dB/100 m | dB |
| (最大值) | (最小值) | (最小值) | (最小值) | (最小值) | |
| 1 | 2 | 78 | 75 | 78 | 20 |
| 4 | 3.7 | 78 | 75 | 78 | 23 |
| 8 | 5.2 | 78 | 75 | 77.2 | 24.5 |
| 10 | 5.9 | 78 | 75 | 75.3 | 25 |
| 16 | 7.4 | 78 | 75 | 71.2 | 25 |
| 20 | 8.3 | 78 | 75 | 69.3 | 25 |
| 25 | 9.3 | 78 | 75 | 67.3 | 24.3 |
| 31.25 | 10.4 | 78 | 75 | 65.4 | 23.6 |
| 62.5 | 14.9 | 75.5 | 72.5 | 59.4 | 21.5 |
| 100 | 19 | 72.4 | 69.4 | 55.3 | 20.1 |
| 200 | 27.5 | 67.9 | 63.4 | 49.3 | 18 |
| 250 | 31 | 66.4 | 62.2 | 47.3 | 17.3 |
| 300 | 34.2 | 65.2 | 60.4 | 45.8 | 17.3 |
| 400 | 40 | 63.4 | 58.9 | 43.3 | 17.3 |
| 500 | 45.3 | 61.9 | 57.7 | 41.3 | 17.3 |
| 600 | 50.1 | 60.7 | 57.7 | 39.7 | 17.3 |
