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Coaxial Cables Location:Home> > English > Product Center > Coaxial Cables >

M17/127-RG393 (RG 393/U)

Construction

Inner conductor 

Silver plated copper 

7 x 0.79 mm 

Dielectric 

Solid PTFE 

Φ7.25 ± 0.18 mm 

Outer conductor(shield 1) 

Silver plated copper 

144 x 0.16 mm 

Shield coverage 

 

95%

Outer conductor(shield 2) 

Silver plated copper 

144 x 0.16 mm 

Shield coverage 

 

95%

Sheath 

FEP 

Φ9.90 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 

4.99Ohm/Km 

Outer conductor resistance 

4.0 Ohm/Km 

Test/Operatig Voltage(max) 

5.0 KV/2.5 KV 

Operating temperature range

-55 °C - +200 °C 

Copper weight 

- Kg/Km

Cable weight (approx.) 

240 Kg/Km 

Screening effectiveness 

80dB 

Attenuation

Frequency (MHz)  

Attenuation (dB/100 m) 

Attenuation (dB/100ft) 

100 6.6 2.01

200

9.7

2.96

400

14.3

4.36

900

22.1

6.74

1000

24

7.32

2000

34.4

10.49

3000

47

14.33

5000

65

19.82

Return Loss

30-300 MHz 

>30dB

300-600 MHz 

>28dB

600-900 MHz 

>23dB