SLS50755同轴电缆结构内导体裸铜7x0.40mm绝缘发泡PEΦ4.95&plu***n;0.10mm外导体(屏蔽1)铝塑复合带屏蔽覆盖率100%外导体(屏蔽2)镀锡铜96x0.15mm屏蔽覆盖率71%护套蓝色PVCΦ7.00&plu***n;0.10mm电气和物理性能特性阻抗75&plu***n;5Ohm标称电容53pF/m传播速度84%绝缘电阻>5000Mohm.Km内导体电阻20.5Ohm/Km外导体电阻13.5Ohm/Km工作温度范围-25°C-+80°C铜重量24.6Kg/Km电缆重量(大约)56.25Kg/Km屏蔽有效性>85dB衰减频率(MHZ)衰减(DB/100M)衰减(DB/100FT)504.41.342309.52.9047013.74.1886019.25.85100021.06.40135024.77.53150026.68.11175028.78.75215032.49.88240034.710.58回波损耗30470MHz>30dB470860MHz>26dB8602400MHz>22dB)