聚四氟乙烯绝缘高温同轴射频电缆SFF、SFB系列一、SFF、SFB系列1、SFF—实芯聚四氟乙烯绝缘，聚全氟乙丙烯护套同轴射频电缆。2、SFB—实芯聚四氟乙烯绝缘，聚四氟乙烯薄膜带绕包玻璃丝编织浸有机硅漆护套同轴射频电缆。  适用于无线电通信、广播和有关电子设备中传输射频信号的实芯聚四氟乙烯绝缘射频同轴电缆，允许使用低温度-55℃，高温+200℃。型号规格及结构数据型号内导体绝缘外径mm外导体护套外径mm特性阻抗Ω绝缘试验电压KV电容PF/m速比计算重量Kg/Km结构根数/直径mm外径mm型式外径不大于mmSFF-50-17/0.10.30.87±0.07单层编织1.451.8±0.1550±3.51.2940.77.51SFF-50-1.5-17/0.180.541.5±0.10单层编织2.102.55±0.1550±3.52.0940.716.0SFF-50-1.5-27/0.180.541.5±0.10双层编织2.753.2±0.1550±3.52.0940.728.0SFF-50-2-11/0.730.732.2±0.10单层编织2.803.3±0.2050±2.53.0940.726.3SFF-50-2-21/0.730.732.2±0.10双层编织3.454.0±0.2050±2.53.0940.744.4SFF-50-3-11/0.930.933.0±0.12单层编织3.904.5±0.2550±2.54.2940.750.4SFF-50-3-21/0.930.933.0±0.12双层编织4.755.5±0.2550±2.54.2940.779.4SFF-50-51/1.481.484.6±0.13单层编织5.606.4±0.3050±26.5940.786.9SFF-50-77/0.822.467.3±0.20单层编织8.509.2±0.3050±210940.7191.8)