LT-COAX-1-1/4S-200PE

1-1/4” Flexible Coaxial Cable

The LT-COAX-1-1/4S-200PE Flexible RF Cable is a high-performance 50 Ω coaxial cable engineered for reliable signal transmission in demanding RF and microwave applications. Designed with a corrugated copper outer conductor and physical foam polyethylene dielectric, it combines low attenuation with excellent power handling and superior shielding effectiveness. With its robust construction, wide operating temperature range, and flexible bending characteristics, this cable is ideally suited for use in telecom infrastructure, broadcasting, defense communications, and other mission-critical RF systems where consistent performance and durability are essential.

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Additional information

Construction Materials

Inner Conductor
Helical Copper Tube

Dielectric
Physical Foam Polyethylene

Outer Conductor
Corrugated Copper Tube

Jacket
Black PE

Physical Dimensions

Inner Conductor Diameter
13.80 ± 0.2 mm

Dielectric Diameter
33.50 ± 0.4 mm

Outer Conductor Diameter
36.00 ± 0.4 mm

Diameter Over Jacket
38.60 ± 0.5 mm

Electrical Specifications

Capacitance
75.0 pF/m

Impedance
50 ± 1 Ω

Velocity
90 %

RF Peak Voltage
4.3 kV

Peak Power Rating
205 kW

Cut-off Frequency
3.8 GHz

Shielding Effectiveness >10MHz
>120 dB

Insulation Resistance
5000 MΩ·km

Environmental Specifications

Storage Temperature
–55 °C ~ +85 °C

Installation Temperature
–40 °C ~ +60 °C

Operating Temperature
–55 °C ~ +85 °C

VSWR

0.8–1.0 GHz: ≤ 1.13
1.7–2.2 GHz: ≤ 1.13
2.2–2.7 GHz: ≤ 1.15
3.3–3.8 GHz: ≤ 1.20

Mechanical Specifications

Minimum Bending Radius (single)
120 mm

Minimum Bending Radius (repeated)
300 mm

Minimum Number of Bends
15

Tensile Strength
2000 N

Datasheet

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