型号 Type | SFCJ-50-2-52 |
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结构图 Structure drawing | ![]() | |||
结构特性 Structure characteristics | ||||
结构 Structure | 项目 Item | 标准值 Standard value | ||
①内导体 Inner conductor | 材料 Material | 镀银铜线 Silverplated copper wire | ||
组成:总根数/单根外径(mm) Makeup:total / O.D. of every wire(mm) | 7/0.2 | |||
(绞合)标称外径(mm) (Intertwist)NOM.O.D.(mm) | 0.6±0.02 | |||
②绝缘层 Insulation | 材料 Material | 微孔聚四氟乙烯 Microporous PTFE | ||
标称外径(mm) NOM.O.D.(mm) | 1.6±0.1 | |||
③第一层外导体 First floor outer conductor | 材料 Material | 铝塑箔 Al-plastic composite tape | ||
标称外径(mm) NOM.O.D.(mm) | 1.66±0.1 | |||
覆盖率(%) Coverage ratio(%) | 100 | |||
④第二层外导体 Second floor outer conductor | 材料 Material | 镀银铜线 Silverplated copper wire | ||
标称外径(mm) NOM.O.D.(mm) | 2.06±0.1 | |||
覆盖率(%) Coverage ratio(%) | ≥90 | |||
⑤护套层 Jacket | 材料 Material | 聚氨酯 TPU | ||
颜色 Color | 黑 Black | |||
标称外径(mm) | 2.88±0.15 | |||
电性能特性 Electrical characteristics | ||||
项目 Item | 标准值 Standard value | 项目 Item | 频率 Frequency | 标准值 Standard value |
电容(pF/m) Capacitance(pF/m) | 83 | 衰减 Attenuation | 1GHz | ≤0.85 |
速率(%) Velocity(%) | 76 | 3GHz | ≤1.2 | |
阻抗(Ω) Impedance(Ω) | 50±2 |
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驻波比(2.5m组件) Standing wave ratio(2.5m subassembly) | ≤1.4@0~3GHz |
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最大工作电压(V) Max.operating voltage(V) | 140 |
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工作频率(GHz) Operating frequency(GHz) | 3 |
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可靠性 Dependability | ||||
项目 Item | 单位 Unit | 标准值 Standard value | ||
最小弯曲半径(一次) Min.bending radius static | mm | 20 | ||
最小弯曲半径(重复) Min.bending radius repeated | mm | — | ||
工作温度范围 Operating temperature | ℃ | -55~+85 |