SRFS Teleinfra

RG 405 (.085) Semi – Flexible Cable

RG 405 (.085) Semi – Flexible Cable

RG 405 (.085) Semi-Flexible Cable is a precision RF cable designed for reliable signal transmission in high-frequency electronic and microwave applications. Its compact 0.085-inch construction makes it suitable for space-constrained assemblies, while the semi-flexible design allows controlled routing and installation. The cable provides stable electrical performance, excellent shielding, and dependable signal integrity for demanding RF systems. RG 405 is ideal for test and measurement equipment, aerospace, defense, telecommunications, microwave circuits, instrumentation, and electronic assemblies. Its robust construction supports repeatable performance and reliable connectivity where precise RF transmission and compact cable routing are essential.

Construction

Item Material Diameter
Inner Conductor Silver Plated Copper 0.56 mm
Insulation Solid extruded PTFE 1.70 mm
Outer Conductor Tin – Soaked tin plated Copper 2.20 mm

Electrical characteristics

Suitable Frequency Up to 18 GHz
Impedance 50 Ω
Capacitance 94 pF/m
Velocity of Signal Propagation 70%
Signal Delay 4.8 ns/m
Working Voltage AC r.m.s 1500 max
Working Voltage, DC 3000 max
Shielding Effectiveness Typically <-130 dB/m

Mechanical & environmental specifications

Minimum Bending Radius (Single Bend) 6 mm
Minimum Bending Radius (Dynamic) 25 mm
Flammability UL 94 V-0
Connectors As Semi Rigid M17/130-RG 405
Weight 15 Kg / Km
Temperature Rating -40 ~ 165 °C

Attenuation and power

Freq. (MHz) Attenuation
dB/100m
Average
Power (Watt)
400 43 253
1000 70 157
1800 97 116
2000 102 110
2400 113 100
3000 127 89
5000 172 69
1000 249 47
1800 346 33