SYV-50-12視頻電纜 ☆ 特性阻抗50Ω
☆ 導(dǎo)體使用單支或多支裸銅線(xiàn)絞合
☆ 實(shí)心聚烯烴絕緣
☆ 鋁箔屏蔽
☆ 軟銅線(xiàn)或鍍錫軟銅線(xiàn)編織屏蔽
☆ 聚氯乙烯護(hù)套
☆ 適宜在-25℃～-70℃條件下使用
執(zhí)行標(biāo)準(zhǔn)：
GB/T 14864-1993
型號(hào)規(guī)格 | 導(dǎo)體結(jié)構(gòu) N0./mm | 絕緣厚度 | 外導(dǎo)體 | 護(hù)套 | |||
厚度mm | 外徑mm | 編織網(wǎng)數(shù) | 密度參考值 | 厚度mm | 外徑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 | ||||
衰減常數(shù)：
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型號(hào) 規(guī)格 | 衰減常數(shù)20℃ dB/100m | 回波損耗 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 |
電性能技術(shù)參數(shù)
型號(hào) 規(guī)格 | 20℃時(shí)zui大導(dǎo)體電阻 Ω/km | 纜芯介電強(qiáng)度 kV | 絕緣電阻 不小于MΩ·km | 護(hù)套介電強(qiáng)度 kV | 特性阻抗 Ω | ||
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