EZ 250-AL-WP
SCOPE
This specification covers the requirement for EZ250-AL-WP, semi-rigid coaxial cable:
.250 inch diameter 50 ohm semi-rigid cable with silver-plated copper center conductor, low-loss PTFE dielectric and solid aluminum outer conductor.
MECHANICAL
INNER CONDUCTOR: .081 +-.001 inch (2.057 +-.025 mm) diameter silver plated copper, per ASTM B-298

DIELECTRIC: .209 +-.001 inch (5.309 +-.025 mm) diameter low-loss PTFE

OUTER CONDUCTOR: .250 +-.001 inch (6.350 +-.025 mm) diameter 1100 alloy aluminum, per WW-T-700
BEND RADIUS: 1.250 inch (31.75 mm) minimum for 360 degree excursion
WEIGHT: 6.5 lbs. per 100 feet (9.7 Kg per 100 meters)
OPERATING TEMP: -55° C to +200° C
ELECTRICAL
CHARACTERISTIC IMPEDANCE: 50 ohms nominal
VELOCITY OF PROPAGATION: 87% nominal
DIELECTRIC CONSTANT: 1.32 nominal
VOLTAGE WITHSTANDING: 5000 vrms @ 60 hz
CORONA EXTINCTION VOLTAGE: 1250 vrms @ 60 hz
MAXIMUM OPERATING FREQUENCY: 19 GHz

TYPICAL ATTENUATION:
Frequency(GHz) db/100ft db/100m
0.5 3.7 12
1.0 5.3 18
5.0 13 45
10.0 19 63
18.0 26 86