FRA 179 SW4
Application and Description
These cables are designed for flexible installations, inside and outside railway rolling stock.
Standards
DIN 5510-2
Construction
Inner conductor: Stranded silver plated copper clad steel
Insulation: Crosslink Foam PE (SPEX)
Outer conductor: Silver plated copper
Sheath: LSZH Elastomer
Electrical Characteristics at 20℃
Impedance | Ω | 75+/-3 |
|---|---|---|
Nominal Capacitance | pF/m | 60 |
Minimum Insulation Resistance | 100000 | |
Inner Conductor Resistance | MΩ/km | 800.5 |
Outer Conductor Resistance | MΩ/km | 27.9 |
Attenuation |
|
|
@50MHz | dB/100m | 16 |
@100MHz | dB/100m | 24 |
@150MHz | dB/100m | 30 |
@200MHz | dB/100m | 34 |
@250MHz | dB/100m | 39 |
@300MHz | dB/100m | 43 |
@350MHz | dB/100m | 47 |
@400MHz | dB/100m | 51 |
@450MHz | dB/100m | 54 |
@500MHz | dB/100m | 57 |
@550MHz | dB/100m | 61 |
@600MHz | dB/100m | 64 |
@650MHz | dB/100m | 67 |
@700MHz | dB/100m | 70 |
@750MHz | dB/100m | 72 |
@800MHz | dB/100m | 75 |
@850MHz | dB/100m | 78 |
@900MHz | dB/100m | 81 |
@950MHz | dB/100m | 83 |
@1000MHz | dB/100m | 86 |
Velocity of propagation | % | 69.8 |
Mechanical and Thermal Properties
Minimum Bending Radius | 5mm (static) |
Temperature Range | -40℃～ +105℃ |
Technical Data
Conductor Construction | Nominal Inner Conductor Diameter | Nominal Outer Conductor Diameter | Nominal Overall Diameter | Nominal Weight |
|---|---|---|---|---|
No/mm | mm | mm | mm | kg/km |
0.305 | 2.13 | 2.54 | 11.1 |
