250 Size Family

.250" diameter Semi-Rigid cable is used where power and low loss are required along with the reliability and shielding of a Semi-Rigid cable. Larger connectors such as Type N and TNC with extended performance to 18 GHz offer excellent power handling performance.

Quick Specifications:

Cable Code	Semi-Rigid RG401	Semi-Rigid 250TP
MIL Number	M17/129-RG401	M17/129-00001
Diameter	0.250	0.250
Frequency, Max (GHz)	18	18
Loss @ 5 GHz (dB)	19.0	19.0
Electrical Data
Impedance, nominal (Ώ)	50	50
Velocity of Propagation (%)	69.5	69.5
Shielding Effectiveness, 1 GHz (dB/ft)	>100	>100
Capacitance (pF/ft)	29.4	29.4
Delay (ns/ft)	1.46	1.46
Mechanical Data
Weight (lbs/100ft)	10.50	10.50
Temperature Range (˚C)	-55 to +125	-55 to +125
Minimum Bend Radius (inch)	0.50	0.50
Construction Data
Inner Conductor	Solid SCCS	Solid SCCS
Dielectric	Solid PTFE	Solid PTFE
First Outer Shield	n/a	n/a
Second Outer Shield	n/a	n/a
Third Outer Shield	n/a	n/a
Jacket	Bare Copper	Tin Plated Copper