SF-250

SF-250 Semi-Flexible Coaxial Cable

 

 

 

 

 

 

 

 

 

 


SF-250                                                               Semi-Flexible Coaxial Cable


 

RF Coaxial Cable, RG-142 Cable, RG-142, RG142, RG142 Cable, RG-142 B/U, M17/60-RG142, MIL-C-17/60, MIL-C-17/60 RG-142, RF Microwave Coaxial Cable, RF Coax Cable, MIL-C-17 Cable, MIL-DTL-17 Cable, MIL-C-17 Standard Specification, MIL-DTL-17 Standard Specification, RG-142 Antenna Cable, ASTM B298, ASTM B501

 

     Construction

 

Item

Material

Diameter

Remark

Center Conductor

SPC

1.63 mm  ( 0.064 inch )

Solid

Dielectric

PTFE

5.31 mm  ( 0.209 inch )

Solid

Outer Conductor

Tin Soaked Copper Braid

6.35 mm  ( 0.250 inch )

100% Coverage

 

 

 

     Electrical & Mechanical Data   

 

Characteristic Impedance

50 ¥Ø

Operating Frequency

18 GHz ( Max. )

Velocity of Propagation

70 %

Capacitance

96.4 pF/m

Operating Temperature

- 65¡É ~ 165¡É

Shield Effectiveness

> - 110 dB

Working Voltage

3500 Vrms ( Max. )

Weight

114.0 kg / km 

Min. Bending Radius

30 mm ( Single )

 

 

 

  Attenuation

 

  Frequency

  Max. Attenuation

   (GHz)

(dB/m)

(dB/ft)

     0.4

0.15

0.046

  1

0.25

0.076

  3

0.52

0.158

  10

1.08

0.329

  15

1.30

0.396

  18

1.55

0.472