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M17/60-RG142 (RG 142 B/U)

Construction

Inner conductor 

Silver plated copper clad steel 

Φ0.94 mm 

Dielectric 

Solid PTFE 

Φ2.95 ± 0.05mm 

Outer conductor(shield 1) 

Silver plated copper 

112 x 0.13 mm 

Shield coverage 

 

96%

Outer conductor(shield 2) 

Silver plated copper 

112 x 0.13 mm 

Shield coverage 

 

96%

Outer sheath 

FEP 

Φ4.95 mm 

Electrical & Mechanical Characteristics

Impedance 50±3 Ohm0
Nominal capacitance 95.4pF/m
Velocity of propagation 70%
Insulation resistance >2000 Mohm.Km
Inner conductor resistance 63.3 Ohm/Km

Outer conductor resistance 

7.5 Ohm/Km 

Test/Operatig Voltage(max) 

5.0KV/1.9KV 

Operating temperature range

 -55 °C - +200 °C 

Copper Weight 

47.0 Kg/Km 

Cable weight (approx.) 

80.0 Kg/Km 

Screening effectiveness 

100-900 MHz 

>60dB 

Attenuation

Frequency (MHz) 

Attenuation (dB/100 m) 

Attenuation (dB/100ft) 

100 12.8 3.90

200

17.7

5.4

400

25.9

7.9

700

35.1

10.7

900

40.4

12.32

1000

43

13.11

2000

63.3

19.3

3000

79.4

24.21

5000

107

32.62

8000

141.7

43.2

Return Loss

30-300 MHz 

>28dB

300-600 MHz 

>24dB

600-900 MHz 

>22dB 

 

 

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