PS510LS-29G-F
High Frequency Low Loss Flexible Coaxial Cable (DC–29GHz, Stranded Conductor)
Engineered with a 19-strand silver-plated copper inner conductor, ultra-low-density PTFE (LD-PTFE) dielectric, and FEP outer jacket to deliver exceptional mechanical flex endurance and low loss performance up to 29GHz. Perfectly suited for dynamic high-flex test cables, airborne phased arrays, and tight-radius gimbal interconnects.
Max Frequency:DC-29GHz
Velocity of Prop.：83%
Inner ConductorStranded SPC (19/0.29mm)
Outer Diameter:5.1mm
Structure & Construction Characteristics
| Construction Part | Material | Construction (mm) | Nom. O.D. (mm) |
|---|---|---|---|
| Inner Conductor | Stranded Silver Plated Copper (SPC) | 19 / 0.29 | 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 | ±0.3 °/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 = 0.864210, K2 = 0.000875
| Frequency (MHz) | Nominal Attenuation (@25℃, Sea Level) (dB/100m) | Max Power Handling (@40℃, Sea Level) (W) |
|---|---|---|
| 300 | 15.20 | 1550 |
| 500 | 19.70 | 1190 |
| 1000 | 28.10 | 830 |
| 3000 | 49.80 | 470 |
| 6000 | 72.10 | 325 |
| 8000 | 84.20 | 278 |
| 10000 | 95.00 | 245 |
| 12400 | 106.80 | 218 |
| 18000 | 131.30 | 178 |
| 20000 | 139.30 | 168 |
| 26500 | 163.30 | 143 |
| 29000 | 172.10 | 135 |
Direct Drop-in Replacement Compatibility
The PS510LS-29G-F is functionally and dimensionally equivalent to industry-standard high-frequency phase-stable cables including 33201 / SF142B and equivalent 5.10mm (0.200″) low-loss PTFE flexible coaxial cables, delivering matching mechanical tolerances, low attenuation, and high phase stability.
Frequently Asked Questions
How does the 19-strand inner conductor architecture improve mechanical longevity compared to solid conductors?
The 19/0.29mm stranded silver-plated copper (SPC) construction significantly mitigates flex fatigue by distributing bending stresses across individual micro-strands. This structural decoupling prevents strain concentration, avoiding conductor work-hardening and micro-fracturing during continuous dynamic flexing in automated test setups or gimbal systems.
What dielectric mechanism enables PS510LS-29G-F to maintain Phase Stability under dynamic movement up to 29GHz?
The cable utilizes a Low-Density Microporous PTFE (LD-PTFE) dielectric with an 83% Velocity of Propagation (VP). The microporous matrix minimizes cross-sectional mechanical distortion during bending, suppressing localized dielectric constant variations (Δεr) and ensuring a strict phase change vs. flexure tolerance of ≤ ±0.3 °/GHz.
Why is a helical silver-plated copper strip combined with an outer braid shield?
The dual-shield architecture provides comprehensive RF isolation (>90 dB) across high microwave bands. The inner helical SPC tape forms a 100% continuous circumferential barrier against high-frequency leakages and intermodulation, while the outer SPC wire braid supplies structural tensile strength and grounding continuity during dynamic flexure.
How does the FEP outer jacket withstand extreme aerospace and defense environmental stress?
The extruded Fluorinated Ethylene Propylene (FEP) jacket is chemically inert, non-flammable, and resistant to aggressive solvents, hydraulic fluids, and severe UV radiation. Operating reliably across -55 °C to +165 °C, it exhibits high abrasion resistance and low outgassing properties suitable for vacuum environments.
