SYV50Ω 实芯聚乙烯绝缘聚氯乙烯护套同轴电缆
SYV50Ω系列☆ 特性阻抗50Ω
☆ 导体使用单支或多支裸铜线绞合
☆ 实心聚烯烃绝缘
☆ 铝箔屏蔽
☆ 软铜线或镀锡软铜线编织屏蔽
☆ 聚氯乙烯护套
☆ 适宜在-25℃～-70℃条件下使用
执行标准：
GB/T 14864-1993
| 型号规格 | 导体结构 N0./mm | 绝缘厚度 | 外导体 | 护套 | |||||
| 厚度mm | 外径mm | 编织网数 | 密度参考值 | 厚度mm | 外径mm | ||||
| SYV50-2-1 | 7/0.16 | 0.44 | 1.5±0.1 | 48 | 70% | 0.43 | 2.8±0.2 | ||
| 64 | 85% | 0.43 | 2.8±0.2 | ||||||
| 96 | 95% | 0.43 | 2.8±0.2 | ||||||
| SYV50-2-41 | 1/0.68 | 0.65 | 2.2±0.1 | 48 | 65% | 0.56 | 4.0±0.2 | ||
| 64 | 75% | 0.56 | 4.0±0.2 | ||||||
| 96 | 90% | 0.56 | 4.0±0.2 | ||||||
| SYV50-3-1 | 7/0.32 | 0.8 | 2.95±0.13 | 64 | 60% | 0.75 | 5.0±0.2 | ||
| 96 | 80% | 0.75 | 5.0±0.2 | ||||||
| 128 | 90% | 0.75 | 5.0±0.2 | ||||||
| SYV50-3-4 | 1/0.9 | 0.85 | 2.95±0.13 | 64 | 60% | 0.75 | 5.0±0.2 | ||
| 96 | 80% | 0.75 | 5.0±0.2 | ||||||
| 128 | 90% | 0.75 | 5.0±0.2 | ||||||
| SYV50-4-1 | 19/0.18 | 0.8 | 2.95±0.13 | 64 | 60% | 0.75 | 5.0±0.2 | ||
| 96 | 80% | 0.75 | 5.0±0.2 | ||||||
| 128 | 90% | 0.75 | 5.0±0.2 | ||||||
| SYV50-5-1 | 1/1.4 | 1.3 | 4.8±0.2 | 64 | 45% | 0.88 | 7.2±0.3 | ||
| 96 | 65% | 0.88 | 7.2±0.3 | ||||||
| 128 | 80% | 0.88 | 7.2±0.3 | ||||||
| SYV50-7-2 | 7/0.75 | 2 | 7.25±0.25 | 96 | 55% | 1.05 | 10.3±0.3 | ||
| 128 | 65% | 1.05 | 10.3±0.3 | ||||||
| 144 | 75% | 1.05 | 10.3±0.3 | ||||||
| SYV50-9-41 | 7/0.95 | 2.6 | 9.0±0.3 | 96 | 45% | 1.18 | 12.2±0.4 | ||
| 128 | 50% | 1.18 | 12.2±0.4 | ||||||
| 144 | 60% | 1.18 | 12.2±0.4 | ||||||
| 型号 规格 | 衰减常数20℃ dB/100m | 回波损耗 dB | ||||||||
| 1MHz | 5MHz | 20MHz | 50MHz | 200MHz | 400MHz | 900MHz | ≤300MHz | ＞300MHz | ||
| SYV50-2-1 | 2.20 | 4.50 | 12.50 | 20.00 | 40.00 | 60.00 | 83.00 | 22.00 | 20.00 | |
| SYV50-2-41 | 2.00 | 4.30 | 9.00 | 13.00 | 30.00 | 42.50 | 65.00 | 22.00 | 20.00 | |
| SYV50-3-1 | 1.80 | 4.00 | 6.20 | 12.30 | 22.50 | 32.50 | 45.00 | 22.00 | 20.00 | |
| SYV50-3-4 | 1.80 | 4.20 | 8.20 | 12.20 | 22.50 | 33.50 | 47.80 | 22.00 | 20.00 | |
| SYV50-4-1 | 1.80 | 4.00 | 6.20 | 12.30 | 22.50 | 32.50 | 45.00 | 22.00 | 20.00 | |
| SYV50-5-1 | 1.00 | 2.90 | 3.90 | 6.20 | 13.00 | 19.00 | 30.00 | 22.00 | 20.00 | |
| SYV50-7-2 | 0.80 | 2.20 | 2.90 | 4.90 | 10.50 | 16.00 | 24.00 | 20.00 | 18.00 | |
| SYV50-9-41 | 0.60 | 1.70 | 2.50 | 4.20 | 9.50 | 14.00 | 23.00 | 20.00 | 18.00 | |
电性能技术参数
| 型号 规格 | 20℃时zui大导体电阻 Ω/km | 缆芯介电强度 kV | 绝缘电阻 不小于MΩ·km | 护套介电强度 kV | 特性阻抗 Ω | |||||
| 火花试验 | 浸水试验 | |||||||||
| SYV50-2-1 | 120.50 | 2.0 | 5000 | / | / | 50±2 | ||||
| SYV50-2-41 | 48.20 | 3.0 | 5000 | 3.0 | 2.0 | 50±2 | ||||
| SYV50-3-1 | 40.10 | 4.0 | 5000 | 3.0 | 2.0 | 50±2 | ||||
| SYV50-3-4 | 24.50 | 4.0 | 5000 | 3.0 | 2.0 | 50±2 | ||||
| SYV50-4-1 | 42.80 | 4.0 | 5000 | 3.0 | 2.0 | 50±2 | ||||
| SYV50-5-1 | 13.30 | 6.5 | 5000 | 5.0 | 3.0 | 50±2 | ||||
| SYV50-7-2 | 6.20 | 10.0 | ||||||||
