MIL-DTL-17/180C
TABLE I. Description.
Component
Construction
Inner conductor
Solid, copper-covered, steel wire
Diameter: .0285 inch ±0.0010
Dielectric core
Type A-1: Solid, polyethylene
Diameter: .185 inch ±0.004
Outer conductor
Double braid of AWG No. 34, copper wire
Diameter: .254 inch maximum
Inner braid
Alternates
Wire coating: Silver-coated Silver-coated
Coverage:
95% nominal 95% nominal
Carriers:
24
16
Ends:
6
9
Picks/inch:
8.8 ±10%
5.9 ±10%
Outer braid
Wire coating: Bare
Bare
Coverage:
95% nominal 95% nominal
Carriers:
24
16
Ends:
6
9
Picks/inch:
13.0 ±10%
8.7 ±10%
Barrier tape
A .001 inch thick polyester tape faced with a .002 inch thick layer of aluminum.
The tape shall be applied with a 50% lap, aluminum face toward the outer
conductor.
Diameter: .264 inch maximum
Jacket
Cross-linked polyolefin
Diameter: .332 inch ±0.004
ENGINEERING INFORMATION
Continuous working voltage: 2,000 V rms, maximum.
Operating frequency: 3 GHz, maximum.
Velocity of propagation: 65.9 percent, nominal.
Power rating: See figure 2.
Operating temperature range: -30°C to +85°C.
Inner conductor properties:
DC resistance (maximum at +20°C): 4.4 ohms per 100 feet.
Elongation: 30 percent, minimum.
2
Tensile strength: 115klbf/inch minimum.
Engineering note: This cable is useful in low temperature applications.
(See connector series "N" and "SC" in accordance with MIL-PRF-39012.)
2
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