<适用范围:适用于无线电通信和采用类似技术的电子装置国标PTY22铁路信号电缆图片
| 型号规格 | 内导体根数*直径 | 绝缘外径mm | 编织角度不大于 | 护套外径 | 缆芯介电强度KV | 特性阻抗 | 衰减常数20℃ | 绝缘电阻MΩ/km | |
| 频率MHZ | 衰减dB/m不大于 | ||||||||
| SYV50-2 | 7/0.16 | 1.5±0.1 | 45° | 2.8±0.2 | 2.0 | 50Ω | 200 | 0.45 | 5000 |
| SYV50-2 | 1/0.68 | 2.2±0.1 | 4.0±0.2 | 3.0 | 200 | 0.31 | |||
| SYV50-3 | 7/0.32 | 2.95±0.13 | 5.0±0.2 | 4.0 | 200 | 0.24 | |||
| SYV50-3 | 1/0.9 | 2.95±0.13 | 5.0±0.2 | 4.0 | 200 | 0.22 | |||
| SYV50-5 | 1/1.4 | 4.8±0.2 | 7.2±0.3 | 6.5 | 200 | 0.15 | |||
| SYV50-7 | 7/0.75 | 7.25±0.25 | 10.3±0.3 | 10.0 | 200 | 0.11 | |||
| SYV50-9 | 7/0.95 | 9.0±0.3 | 12.2±0.4 | 12 | 200 | 0.095 | |||
| SYV50-12 | 7/1.15 | 11.5±0.3 | 15.0±0.4 | 15 | 200 | 0.08 | |||
| SYV50-15 | 7/1.54 | 15.0±0.4 | 19.0±0.5 | 20 | 200 | 0.065 | |||
| SYV50-17 | 1/5.0 | 17.3±0.4 | 22.0±0.5 | 22 | 200 | 0.056 | |||
| SYV50-17 | 19/1.04 | 17.3±0.4 | 22.0±0.5 | 22 | 200 | 0.06 | |||
| SYV75-3 | 7/0.17 | 3.0±0.13 | 5.0±0.25 | 2.0 | 75Ω | 200 | 0.28 | ||
| SYV75-4 | 7/0.21 | 3.7±0.1 | 6.0±0.2 | 4.2 | 200 | 0.22 | |||
| SYV75-4 | 1/0.59 | 3.7±0.1 | 6.0±0.2 | 4.2 | 200 | 0.19 | |||
| SYV75-5 | 1/0.75 | 4.8±0.2 | 7.2±0.3 | 5.5 | 200 | 0.15 | |||
| SYV75-5 | 7/0.26 | 4.8±0.2 | 7.2±0.3 | 5.5 | 200 | 0.15 | |||
| SYV75-7 | 7/0.4 | 7.25±0.15 | 10.3±0.3 | 8.0 | 200 | 0.12 | |||
| SYV75-7 | 1/1.15 | 7.25±0.15 | 10.3±0.3 | 8.0 | 200 | 0.1 | |||
| SYV75-9 | 1/1.37 | 9.0±0.3 | 12.2±0.4 | 10.0 | 200 | 0.088 | |||
| SYV75-12 | 7/0.63 | 11.5±0.3 | |||||||
国标PTY22铁路信号电缆图片
