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    SR250-75

    Construction

    Inner conductor 

    Silver plated copper clad steel(SCCS) 

    Φ0.91 mm 

    Dielectric 

    PTFE 

    Φ5.44 ± 0.1mm 

    Outer conductor 

    type1:Seamless bare copper tube 

    Φ6.35 ± 0.1mm

    type2:Seamless copper tube, tin plated(TP) 

    type3:Seamless copper tube, silver plated(SP) 

    Electrical & Mechanical Characteristics

    Impedance 75±5 Ohm

    Nominal capacitance 

    63.5 pF/m

    Velocity of propagation 

    -

    Insulation resistance 

    - Mohm.Km

    Inner conductor resistance 

    - Ohm/Km

    Outer conductor resistance 

    - Ohm/Km

    Operating temperature range 

    -55°C - +125 °C 

    Outer conductor integrity temperature 

    175°C 

    Min.bending radius 

    22.3 mm 

    Attenuation

    Frequency(MHz)  

    Max. Attenuation(dB/100m)  

    Max. Attenuation(dB/100ft)  

    500 4 1.2

    1000

    24

    7.3

    5000

    60

    18.3

    10000

    93

    28.3

    20000

    147

    44.8

     

     

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