PS510L-29G-F
High Frequency Low Loss Flexible Coaxial Cable (DC–29GHz, Solid Conductor)
Engineered with a solid silver-plated copper inner conductor (1.45mm), ultra-low-density PTFE (LD-PTFE) dielectric, and FEP outer jacket to achieve superior insertion loss and mechanical phase stability up to 29GHz. Designed for high-frequency microwave systems, radar interconnects, and precision test lead assemblies where low attenuation is critical.
Max Frequency:DC-29GHz
Velocity of Prop.：83%
Inner ConductorStranded SPC (1/1.45mm)
Outer Diameter:5.1mm
Structure & Construction Characteristics
| Construction Part | Material | Construction (mm) | Nom. O.D. (mm) |
|---|---|---|---|
| Inner Conductor | Solid Silver Plated Copper (SPC) | 1 / 1.45 | 1.45 |
| Insulation | Low-Density PTFE (LD-PTFE) | – | 3.85 |
| Inner Shield | Silver Plated Copper Strip | Helical Wrap | 4.05 |
| Outer Shield | Silver Plated Copper Wire | Braid Coverage | 4.50 |
| Jacket | Gray Fluorinated Ethylene Propylene (FEP) | – | 5.10 |
Mechanical & Environmental Parameters
| Parameter | Standard Value | Parameter | Standard Value |
|---|---|---|---|
| Min. Bending Radius (Static) | 25.0 mm | Weight | 0.065 kg/m |
| Min. Bending Radius (Dynamic) | 50.0 mm | Operating Temperature | -55 ℃ to +165 ℃ |
Electrical & Mechanical Characteristics
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Impedance | 50 Ω | Dielectric Withstanding Voltage | 2000 V DC |
| Capacitance | 80 pF/m | Phase Change vs. Bending | ±0.2 °/GHz |
| Velocity Ratio (Velocity of Propagation) | 83% | Phase Change vs. Temp. (-45 to +85℃) | ≤ 750 PPM |
| Max Operating Frequency | 29.0 GHz | Screening Effectiveness | > 90 dB |
Attenuation & Power Handling @ 25℃ & Sea Level
Insertion Loss Calculation Formula:
IL = K1 * sqrt(F_MHz) + K2 * F_MHz (dB/100m)
Constants: K1 = 0.841200, K2 = 0.000850
| Frequency (MHz) | Nominal Attenuation (@25℃, Sea Level) (dB/100m) | Max Power Handling (@40℃, Sea Level) (W) |
|---|---|---|
| 300 | 14.80 | 1600 |
| 500 | 19.20 | 1230 |
| 1000 | 27.40 | 860 |
| 3000 | 48.50 | 490 |
| 6000 | 70.30 | 340 |
| 8000 | 82.10 | 290 |
| 10000 | 92.60 | 255 |
| 12400 | 104.10 | 228 |
| 18000 | 128.00 | 185 |
| 20000 | 135.80 | 175 |
| 26500 | 159.20 | 149 |
| 29000 | 167.80 | 140 |
Direct Drop-in Replacement Compatibility
The PS510L-29G-F serves as an exact drop-in replacement for industry-standard 5.10mm (0.200″) low-loss phase-stable coaxial cables including IW 1501 / SF142 equivalents, providing matching physical form factors and enhanced electrical performance.
Frequently Asked Questions
What key RF performance advantages does the solid inner conductor of PS510L-29G-F provide over stranded counterparts?
PS510L-29G-F utilizes a single-strand 1.45mm silver-plated copper (SPC) conductor, which eliminates stranding resistance and inter-strand proximity effects. At high frequencies up to 29GHz, skin depth (δ) decreases significantly; the smooth, continuous surface area of a solid center conductor ensures optimal current distribution, resulting in lower insertion loss and superior return loss consistency across broad frequency sweeps.
How does the Low-Density PTFE (LD-PTFE) dielectric achieve an 83% Velocity of Propagation (VP)?
By introducing microscopic air voids into the PTFE matrix, the dielectric constant (εr) is reduced from 2.1 (standard solid PTFE) to approximately 1.45. Since Velocity of Propagation is inversely proportional to sqrt(εr), this microporous structure elevates VP to 83%, drastically reducing phase delay and dielectric attenuation at microwave frequencies.
What structural design ensures phase stability under temperature variations (Phase vs. Temp)?
Standard solid PTFE experiences a well-known phase transition (knee effect) around 19 °C, leading to abrupt phase shifts. The LD-PTFE processing used in PS510L-29G-F stabilizes the polymer lattice, suppressing phase discontinuity and maintaining a flat temperature-coefficient response (≤ 750 PPM from -45 °C to +85 °C).
What are the installation guidelines regarding bend radius for solid conductor cables?
Due to the solid 1.45mm SPC center conductor, the minimum static bend radius is specified at 25mm, and dynamic bend radius at 50mm. Bending below these thresholds can induce mechanical yield in the solid core, permanently altering core concentricity and degrading VSWR performance. For static internal chassis routing, bend dress tools should be utilized to maintain consistent bend radii.
