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    M17/111-RG303 (RG303/U)

    i

    Construction

    Inner conductor 

    Silver plated copper clad steel  

    Φ0.94 mm 

    Dielectric 

    PTFE 

    Φ2.95 mm 

    Outer conductor (shield) 

    Silver plated copper 

    112 x 0.13 mm 

    Shield coverage 

     

    95%

    Sheath 

    FEP 

    Φ4.32 mm 

    Electrical & Mechanical Characteristics

    Impedance 

    50±3 Ohm 

    Nominal capacitance 

    94 pF/m 

    Velocity of propagation 

    70%

    Insulation resistance 

    >2000 Mohm.Km 

    Inner conductor resistance 

    63.5 Ohm/Km 

    Outer conductor resistance 

    7.5 Ohm/Km 

    Test/Operatig Voltage(max) 

    5.0 KV/1.9 KV 

    Operating temperature range 

    -55 °C - +200 °C 

    Copper Weight 

    - KG/Km

    Cable weight (approx.) 

    45 Kg/Km 

    Screening effectiveness 

    60 dB 

    Attenuation

    Frequency (MHz) 

    Attenuation (dB/100 m) 

    Attenuation (dB/100ft) 

    50

    8.9

    2.71

    100

    12.8

    3.9

    200

    18.4

    5.61

    400

    25.8

    7.87

    700

    36.1

    11.01

    900

    41

    12.5

    1000

    44.3

    13.51

    1500

    52.3

    15.95

    2000

    61.4

    18.72

    3000

    82

    25

    Return Loss

    30-300 MHz 

    >31dB

    300-600 MHz 

    >26dB

    600-900 MHz 

    >23dB 

     

     

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