SRFS Teleinfra

Temperature Phase Stable PT Series PT 220

Temperature Phase Stable PT 220

Temperature Phase Stable PT 220 is a precision RF cable designed for applications requiring consistent phase performance across changing temperature conditions. Its specialized construction helps maintain stable electrical characteristics and reliable signal transmission in demanding RF environments. The PT 220 is suitable for test and measurement equipment, telecommunications, aerospace, defense, wireless communication, laboratory systems, and high-frequency applications. Its flexible design supports convenient routing and installation while maintaining dependable performance. With excellent temperature stability and reliable phase characteristics, PT 220 provides a practical solution for precision RF systems requiring repeatable measurements and consistent signal performance under varying operating conditions.

Construction

Construction Size (mm) Materials
Center conductor 0.51 Silver Plated Copper
Dielectric 1.40 PFA Fluoropolymer
Outer conductor 1.56 Silver plated copper tape wrap
Outer shield 1.87 Silver plated copper braiding
Jacket 2.20 FEP

Electrical Specification

Frequency DC-40 GHz
Impedance 50 Ω
Velocity of Propagation 82%
Shielding Effectiveness >90 dB
Withstanding Voltage 400 V
*Mechanical Phase Stability <±6°
Amplitude Stability vs Shaking <±0.15 dB
Temp Phase Stability <300 ppm (-40°C to +60°C)

Mechanical & Environmental

Min. Bending Radius Static 15 mm
Min. Bending Radius Repeated 22 mm
Weight 13 g/m
Temperature (Operation) -50 ~ 150 °C
Temperature (Storage) -60 ~ 160 °C