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- 產(chǎn)品名稱：Video Cable SFF-50-3
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- 添加時(shí)間：2024-07-03 16:18:08
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SFF-50-3-2耐高溫同軸射頻電纜應(yīng)用及特點(diǎn)：
Application and characteristics of SFF-50-3-2 high-temperature resistant coaxial RF cable:
這是一種用于固定或可移動(dòng)的無線電設(shè)備的電纜，具有小型、重量輕、柔韌性好、耐高溫、耐潮濕性、耐腐蝕性和不燃性等特點(diǎn)。
This is a type of cable used for fixed or mobile radio equipment, characterized by small size, light weight, good flexibility, high temperature resistance, moisture resistance, corrosion resistance, and non flammability.
執(zhí)行標(biāo)準(zhǔn)：QB/TWB-2005-06
Executive standard: QB/TWB-2005-06
耐高溫同軸射頻電纜使用特性：
Characteristics of high-temperature resistant coaxial RF cables:
環(huán)境溫度 -55℃～200℃（包括電纜的工作溫升）
Environmental temperature -55 ℃~200 ℃ (including the working temperature rise of the cable)
相對(duì)濕度 溫度為40℃時(shí)達(dá)98%
98% at a relative humidity and temperature of 40 ℃
速比 0.7
Speed ratio 0.7
SFF-50-3-2電纜結(jié)構(gòu)示意圖：
Schematic diagram of SFF-50-3-2 cable structure:
耐高溫同軸射頻電纜各部分材料：
Materials for various parts of high-temperature resistant coaxial RF cables:
內(nèi)導(dǎo)體為鍍銀銅線或鍍銀銅包鋼線，外導(dǎo)體為鍍銀銅線，絕緣為PTFE，護(hù)套為FEP
The inner conductor is silver plated copper wire or silver plated copper clad steel wire, the outer conductor is silver plated copper wire, the insulation is PTFE, and the sheath is FEP
電纜結(jié)構(gòu)數(shù)據(jù)和主要性能：
Cable structure data and main performance:
| 型號(hào) | 內(nèi)導(dǎo)體 根數(shù)/ 直徑 mm | 標(biāo)稱 絕緣 外徑 mm | 外導(dǎo)體 | 標(biāo)稱 護(hù)套 外徑 mm | 標(biāo)稱 特性 阻抗 Ω | 衰減常數(shù) ≤dB/m | 試驗(yàn) 電壓 kV | ||
| 30 MHz | 200 MHz | 3000 MHz | |||||||
| SFF-50-1 | 7/0.10 | 0.87 | 單層編織 | 1.80 | 50 | 0.33 | 0.85 | 3.40 | 1.2 |
| SFF-50-1.5-1 | 7/0.18 | 1.50 | 單層編織 | 2.55 | 0.19 | 0.50 | 2.00 | 2.0 | |
| SFF-50-1.5-2 | 7/0.18 | 1.50 | 雙層編織 | 3.20 | 0.19 | 0.50 | 2.00 | 2.0 | |
| SFF-50-2-1 | 1/0.73 | 2.20 | 單層編織 | 3.30 | 0.12 | 0.31 | 1.27 | 3.0 | |
| SFF-50-2-2 | 1/0.73 | 2.20 | 雙層編織 | 4.00 | 0.12 | 0.31 | 1.27 | 3.0 | |
| SFF-50-3-1 | 1/0.93 | 3.00 | 單層編織 | 4.50 | 0.086 | 0.23 | 0.95 | 4.2 | |
| SFF-50-3-2 | 1/0.93 | 3.00 | 雙層編織 | 5.50 | 0.086 | 0.23 | 0.95 | 4.2 | |
| SFF-50-5 | 1/1.48 | 4.60 | 單層編織 | 6.40 | 0.057 | 0.15 | 0.67 | 6.5 | |
| SFF-75-1 | 1/0.17 | 0.87 | 單層編織 | 1.80 | 75 | 0.28 | 0.74 | 2.90 | 1.0 |
| SFF-75-1.5-1 | 7/0.10 | 1.50 | 單層編織 | 2.55 | 0.20 | 0.50 | 2.00 | 1.8 | |
| SFF-75-1.5-2 | 7/0.10 | 1.50 | 雙層編織 | 3.20 | 0.20 | 0.50 | 2.00 | 1.8 | |
| SFF-75-3-1 | 1/0.55 | 3.00 | 單層編織 | 4.50 | 0.086 | 0.23 | 0.95 | 3.6 | |
| SFF-75-3-2 | 1/0.55 | 3.00 | 雙層編織 | 5.50 | 0.086 | 0.23 | 0.95 | 3.6 | |
| SFF-75-5 | 1/0.82 | 4.60 | 單層編織 | 6.40 | 0.057 | 0.15 | 0.66 | 5.5 | |
