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    同步式数字传输通信电缆、五类电缆系列

    SDH-PCMCDMADWDM120Ω同步式数字传输通信电缆、五类电缆

    用途：适用于阻抗为120Ω数字接口之间，规格为2×0.5中间称0.5接地引线。五类电缆、传输频率100MHz以上，工作电容42PF/m，衰减15.7dB/100m，近端串音衰减＞32dB，是根据YD/T838.1-4-1996数字通信对绞星绞对称电缆标准。

    SDH-PCMCDMADWDM120Ωsynchronous digital communication cable, five cable Uses: used between the digital interface of 120Ω,2×0.5 with 0.5 ground lead. For five cable whose transmission frequency is above 100 MHz, operation capacitance 42PF/m, attenuation 15.7dB/100m, near-end crosstalk attenuation ＞32dB according to YD/T838.1-4-1996 digital communication pair balanced cable standard.

 


    五类电缆结构表性能表
    Structural parameter table of five cable
线对间工作电容Pair-to-pair work capacity(20℃ 1000Hz) 最大5.4 nF/100m Max 5.4nF/100m

传播速度         1.0 MHz
Propagation 10.0 MHz
velocity      100.0 MHz

 最小 0.65C
最小 0.65C
最小 0.65C
衰减(20℃)    1.0 MHz
Attenuation 4.0 MHz
                     10.0MHz
                     16.0MHz
                     20.0MHz
                     31.25MHz
                    62.5MHz
                     100.0MHz		 最大2.0 dB/100m
最大4.1 dB/100m
最大6.5 dB/100m
最大8.2 dB/100m
最大9.2 dB/100m
最大11.7 dB/100m
最大17.0 dB/100m
最大22.0 dB/100m
近端串音衰减 1.0 MHz
Near-end       4.0 MHz
crosstalk     10.0MHz
attenuation:16.0MHz
                     20.0MHz
                     31.25MHz
                    62.5MHz
                     100.0MHz		 最小 62 dB
最小 53 dB
最小 47 dB
最小 44 dB
最小 43 dB
最小 40 dB
最小 35 dB
最小 32 dB
特性阻抗(1-100MHz) Characteristic impedance 100±15Ω 通过 100±15Ω Passed

    聚氯乙稀绝缘高频电源线系列

    RVVP型聚氯乙稀绝缘高频电源线

    用途：适用于电器、仪表、电信电子设备、传感器装置和自动化装置的屏蔽线路。

    RVVP PVC insulated high-frequency power line

    Uses: suitable in shielded line of electric appliance, instruments, communication & electronic equipments, sensor     and automation device.

  • 主要技术特性：
    • 额定电压250V
    • 浸水试验电压（交流50Hz）2000V
    • 绝缘电阻（+20℃）不小于2MΩ/Km
    • 直流电阻（+20℃）（Ω/Km）不大于下表数
  • Main technical index:
    • Rated voltage 250V
    • Immersion voltage(AC50Hz)＞＝2000V
    • Insulation resistance(+20℃) ＞＝2M/Km
    • DC resistance(+20℃)(Ω/Km)＜＝(shown as below)
标称Nominal 芯线结构Core structure 电线最大外径mm Max outside diameter of wire
截面Section 根数/直径mm Piece/diameter: 1芯 One core 2芯 Two cores 3芯Three cores 4芯 Four cores 5芯 Five cores 6.7芯 Six&seven cores 10芯 Ten cores 12芯 Twelve cores 14芯 Fourteen cores 16芯 Sixteen cores
0.06 7/0.10 2.6 3.9 4.0 4.8 5.1 5.8 7.0 7.2 7.5 7.8
0.12 7/0.15 2.8 4.2 4.8 5.5 5.9 6.3 7.7 7.9 8.7 9.1
0.20 12/0.15 3.0 5.0 5.5 5.9 6.4 6.8 8.8 9.1 9.8 10.2
0.30 16/0.15 3.3 5.9 6.2 6.7 7.2 7.8 10.4 10.7 11.2 11.7
0.35 20/0.15 3.4 6.0 6.3 6.8 7.3 7.9 10.5 10.7 11.2 11.7
0.40 23/0.15 3.8 6.3 6.6 7.2 7.8 8.9 11.2 11.5 12.1 12.7
0.50 28/0.15 3.9 6.6 6.9 7.5 8.5 9.2 11.7 12.0 12.6 13.6
0.70 40/0.15 4.9 7.6 8.4 9.1 10.2 11.0 14.1 - - -
0.75 42/0.15 4.9 7.6 8.4 9.1 10.2 11.0 14.1 - - -
1.0 32/0.2 5.0 7.9 8.8 9.8 10.6 11.5 14.8 - - -`
1.5 48/0.20 5.9 9.0 9.8 10.6 - - -` - - -`

标称截面mm2 Nominal Section 0.06 0.12 0.20 0.30 0.35 0.40 0.50 0.7 0.75 1.0 1.5
直流电阻铜芯 DC resistance 346 148 86.6 64.9 52.0 45.2 37.1 25.9 24.8 18.2 12.1
直流电阻镀锡铜芯 DC resistance 354 157 91.7 68.7 55.0 47.8 39.3 27.3 26.2 19.3 12.9