SRFS Teleinfra

.250 SEMI RIGID CO-AXIAL CABLE

.250 SEMI RIGID CO-AXIAL CABLE

.250 Semi-Rigid Coaxial Cable is a precision RF cable designed for high-frequency applications requiring excellent electrical stability, shielding, and reliable signal transmission. Its semi-rigid construction provides strong mechanical support and consistent cable geometry, helping maintain dependable RF performance in demanding environments. The cable is suitable for RF test and measurement equipment, microwave systems, telecommunications, aerospace, defense, laboratory instruments, and electronic assemblies. Its compact design enables integration into space-constrained applications while supporting stable impedance and signal integrity. The .250 Semi-Rigid Coaxial Cable provides a reliable solution for precision RF interconnections and high-frequency systems.

Construction

Item Material Diameter
Inner Conductor Silver plated Copper 1.66 ± 0.0254 mm
Dielectric PTFE 5.31 ± 0.0508 mm
Outer Conductor Aluminum, tin plated 6.35 ± 0.0508 mm

Electrical & Mechanical Specification

Max. Operating Frequency 19 GHz
Impedance 50 Ω
Nominal Capacitance 29.0 pF/ft (95.1 pF/m)
Corona Extinction Voltage 3000 Vrms 60 Hz
Minimum Bending Radius 0.375 in / 9.53 mm
Voltage Withstanding 7500 Vrms 60 Hz
Weight 45 gm/ft (148 gm/m)
Maximum Operating Temperature 150 °C
RoHS Compliant

Frequency

Frequency (GHz)Attenuation (dB/100 ft)Attenuation (dB/100 m)Average Power (W)
0.54.615.9951.6
16.822.3653.1
517.457.1259.9
102788.6169.8
1841134.5113