
PS265L-50G High Frequency Phase Stable Coaxial Cable
50 GHz Ultra-High Frequency Low Loss Phase-Stable Coaxial Cable
Designed for demanding RF testing, microwave instrumentation, and high-frequency communication systems, the PS265L-50G features a low-density PTFE (LD-PTFE) dielectric and a robust triple-shielded structure, delivering superior phase stability versus bending and ultra-low insertion loss up to 50 GHz.
Max Frequency:50 GHz
Screening: >100 dB
Phase Stability :±0.3 °/GHz
Outer Diameter:2.65 mm
Structure & Construction Characteristics
| Structure Layer | Item | Material | Construction (mm) | Nom. O.D. (mm) |
|---|---|---|---|---|
| Inner Conductor | Conductor Material | Silver Plated Copper | 1 / 0.56 | 0.56 |
| Insulation | Dielectric Material | LD-PTFE | – | 1.70 |
| Inner Shield | First Shield | Silver Plated Copper Strip | – | 1.85 |
| Interlayer | Second Shield | High Temperature Aluminium Foil | – | 1.98 |
| Outer Shield | Third Shield | Alloy Wire Braid | – | 2.24 |
| Jacket | Outer Protective Layer | FEP | – | 2.65 |
| Mechanical & Environmental Parameter | Standard Value |
|---|---|
| Min. Bending Radius (Static) | 6.00 mm |
| Min. Bending Radius (Dynamic) | 15.00 mm |
| Weight | 0.016 kg/m |
| Operating Temperature Range | -55 °C to +125 °C |
Electrical & Mechanical Characteristics
| Electrical Parameter | Standard Value |
|---|---|
| Impedance | 50 Ohm |
| Capacitance | 87 pF/m |
| Velocity of Propagation | 76% |
| Max Operating Frequency | 50 GHz |
| Screening Effectiveness | > 100 dB |
| Dielectric Withstanding Voltage | 500 V DC |
| Phase Change VS Bending | ±0.3 °/GHz |
| Phase Change VS Temperature (-45~+85℃) | 1500 PPM |
Attenuation & Power Handling @ 25℃ & Sea Level
Calculation Formula: IL = K1 * sqrt(F_MHz) + K2 * F_MHz [dB/100m]
Constants: K1 = 1.942426242 | K2 = 0.001196918
| Frequency (MHz) | Nom. Attenuation (dB/100m @ 25℃) | Max Power Handling (W @ 40℃) |
|---|---|---|
| 500 | 44.03 | 314 |
| 1000 | 62.62 | 221 |
| 3000 | 109.98 | 126 |
| 6000 | 157.64 | 88 |
| 10000 | 206.21 | 67 |
| 12000 | 227.15 | 61 |
| 16000 | 264.85 | 52 |
| 18000 | 282.15 | 49 |
| 26500 | 347.92 | 40 |
| 30000 | 372.35 | 37 |
| 40000 | 436.36 | 32 |
Cross Reference / Equivalent ReplacementThe PS265L-50G high-frequency coaxial cable serves as a direct drop-in replacement for HUBER+SUHNER Minibend-086L (32024), offering matching mechanical dimensions, electrical performance, and phase stability.
Frequently Asked Questions
What is the maximum operating frequency of PS265L-50G?
The PS265L-50G cable supports an operating frequency up to 50 GHz with stable 50 Ohm impedance and consistent phase performance.
What does the model number PS265L-50G signify?
PS stands for Phase Stable, 265 represents the nominal outer diameter of 2.65 mm, L indicates Low Loss construction (LD-PTFE dielectric), and 50G specifies the 50 GHz upper frequency limit.
Is PS265L-50G suitable for dynamic high-frequency test environments?
Yes. Featuring a dynamic minimum bend radius of 15.00 mm and a phase stability vs. bending specification of ±0.3 °/GHz, it is ideally suited for test assemblies and microwave interconnects
