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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℃时最大导体电阻 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 |
5000 |
8.0 |
5.0 |
50±2 | ||||
|
SYV50-9-41 |
3.85 |
12.0 |
5000 |
8.0 |
5.0 |
50±2 | ||||
主要用于电视与广播发射系统及微波、卫星通讯系统。
