供应同轴射频电缆

射频电缆用途：本产品适用于共用天线系统，闭路电视系统等信号传输，该电缆具有衰减小，抗干扰强等特点。sywv（y）聚乙烯物理发泡绝缘同轴射频电缆产品结构尺寸。项目尺寸sywv（y）-75-5sywv（y）-75-7sywv（y）-75-9sywv（y）-75-12内导体直径（mm）1.00?0.021.66?0.022.15?0.032.77?0.03发泡介质（绝缘体）外径（mm）4.80?0.207.25?0.209.00?0.2511.50?0.30外导体铝塑复合带或铝箔镀锡软铜丝编织，编织用镀锡软铜丝的标称直径（mm）0.12～0.150.12～0.150.12～0.180.12～0.20外导体的最大直径（mm）编织角≤45?填充系数0.23（最小）5.88.310.112.6护套厚度（mm）≥0.700.850.961.00外径（mm）7.2?0.3010.3?0.3012.2?0.4015.40?0.40交货长度每卷长度（m）≮100100200200短断（m）≥20505050-7、-9、-12每根长度以订货要求长度为准。sywv（y）聚乙烯物理发泡绝缘同轴射频电缆产品电气性能项目尺寸sywv（y）-75-5sywv（y）-75-7sywv（y）-75-9sywv（y）-75-12缆芯介电强度（kv）40-60hzlmin＞1.61.61.61.6绝缘电阻（mω穔m）500v直流＞10000100001000010000护套介电强度（kv）＞火花试验（kv）40-60hz3.05.08.08.0浸水试验（kv）40-60hz2.03.05.05.0特性阻抗（ω）200mhz75?3.075?2.575?2.57.5?2.0压减常数db/100m＜50mhz4.93.12.62.0200mhz9.96.55.24.1550mhz16.810.78.56.7800mhz21.013.911.592回波损耗＞vhf20202023vhf18181820syv实心聚乙烯绝缘射频电缆：型号电缆结构参数内导体绝缘外导体护套结构根数/直径mm外径mm结构标称厚度mm最薄厚度mm外径mmsyv75-27/0.081.5?0.10单编织层0.430.302.9?0.10syv75-37/0.173.0?0.15单编织层0.660.455.0?0.25syv75-5-11/0.724.6?0.20单编织层0.900.607.1?0.30syv75-5-27/0.264.6?0.20单编织层0.900.607.1?0.30syv75-77/0.407.30?0.25单编织层1.00.7010.2?0.30syv75-91/1.379.0?0.30单编织层1.20.8012.4?0.40syv50-2-17/0.151.5?0.10单编织层0.430.302.9?0.10syv50-2-21/0.682.2?0.10单编织层0.560.404.0?0.20syv50-31/0.903.0?0.15单编织层0.660.455.0?0.25syv50-5-11/1.374.6?0.20单编织层0.900.607.0?0.30syv50-5-21/1.374.6?0.20双编织层0.900.607.8?0.30syv50-7-17/0.767.3?0.25单编织层1.00.7010.2?0.30syv50-7-27/0.767.3?0.25双编织层1.00.7011.2?0.30sykv纵孔聚乙烯绝缘射频电缆：结构型号type内导体mm绝缘外径mm绝缘电阻≥mω.km特性阻抗ω电容cap≤pf/m衰减常数db/100m≤参考重量kg/km50mhz200mhz800mhz纵孔绝缘sykv-75-51/1.004.8500075?3605.310.822.950sykv-75-71/1.607.3500075?3603.47.115.295sykv-75-91/2.009.0500075?3602.85.712.5153