PS310L-55G-F
55GHz High-Frequency Low-Loss Phase Stable Coaxial Cable
Ultra-stable phase performance for high-density microwave & mmWave interconnects. Designed with an expanded Low-Density PTFE (LD-PTFE) dielectric and double silver-plated copper shielding, PS310L-55G-F delivers superior phase stability during bending and temperature variations up to 55 GHz.
Max Frequency:DC-55GHz
Velocity of Prop.：82%
Inner ConductorStranded SPC (1/0.72mm)
Outer Diameter:3.1mm
Structure & Construction Characteristics
| Layer / Characteristic | Material | Construction | Nom. O.D. (mm) |
|---|---|---|---|
| Inner Conductor | Silver Plated Copper (SPC) | 1 / 0.72 mm | 0.72 |
| Insulation / Dielectric | Low-Density PTFE (LD-PTFE) | – | 2.00 |
| Inner Shield | Silver Plated Copper Tape | Helical Wrap | 2.20 |
| Outer Shield | Silver Plated Copper Braid | Wire Braid | 2.52 |
| Jacket | Fluorinated Ethylene Propylene (FEP) | Gray | 3.10 |
Mechanical & Environmental Parameters
| Mechanical & Environmental Property | Specification Value |
|---|---|
| Min. Bending Radius (Static) | 15.0 mm |
| Min. Bending Radius (Dynamic) | 31.0 mm |
| Weight | 0.027 kg/m |
| Operating Temperature Range | -55°C to +165°C |
Electrical & Mechanical Characteristics
| Electrical Parameter | Specification Value |
|---|---|
| Impedance | 50 ± 1 Ω |
| Velocity of Propagation (Velocity Ratio) | 82% |
| Capacitance | 80 pF/m |
| Max Operating Frequency | 55 GHz |
| Screening Effectiveness | > 90 dB |
| Dielectric Withstanding Voltage | 1000 V DC |
| Phase Stability vs Bending | ±0.3 °/GHz |
| Phase Stability vs Temperature (-45°C to +85°C) | ≤ 750 PPM |
Attenuation & Power Handling @ 25℃ & Sea Level
Insertion Loss (IL) Calculation Formula:
IL = K1 * sqrt(F_MHz) + K2 * F_MHz (where K1 = 1.45847, K2 = 0.00068)
| Frequency (MHz) | Nom. Attenuation (dB/100m) | Max. Power Handling (W @ 40°C) |
|---|---|---|
| 1000 | 46.80 | 407 |
| 2000 | 66.58 | 286 |
| 3000 | 81.92 | 233 |
| 4000 | 94.96 | 201 |
| 6000 | 117.05 | 163 |
| 8000 | 135.89 | 140 |
| 10000 | 152.65 | 125 |
| 18000 | 207.91 | 92 |
| 26500 | 255.44 | 75 |
| 40000 | 318.89 | 60 |
| 50000 | 360.12 | 53 |
Equivalent Drop-in Alternative:
PS310L-55G-F serves as a direct form-fit-function replacement for Gore CXN3500, featuring identical 3.10mm outer diameter specs, matching 55 GHz frequency coverage, and equal shielding effectiveness.
Frequently Asked Questions
What is the maximum operating frequency and phase stability spec of PS310L-55G-F?
The PS310L-55G-F operates up to 55 GHz with an exceptional phase change vs bending of ±0.3 °/GHz and phase temperature stability of ≤ 750 PPM across -45°C to +85°C.
How does PS310L-55G-F achieve low insertion loss at mmWave frequencies?
It uses an expanded Low-Density PTFE (LD-PTFE) dielectric with an 82% velocity of propagation combined with a silver-plated copper inner conductor (0.72mm) and double-layer shielding (tape + braid).
Can PS310L-55G-F replace Gore CXN3500 in test assemblies?
Yes, PS310L-55G-F is engineered as a direct drop-in equivalent for Gore CXN3500 with matching physical dimensions (3.10mm O.D.) and equivalent RF attenuation parameters across the 1-55 GHz spectrum.
