RT/duroid 5880 PCB: 2-Layer, 40mil Core, 1.1mm Thickness with
Immersion Gold Finish
(All PCBs are custom-manufactured. Reference images and parameters
may vary based on your design requirements.)
Overview of RT/duroid 5880 2-Layer PCB
The RT/duroid 5880 PCB is a high-performance 2-layer rigid PCB,
ideal for high-frequency RF, microwave, and Ku-band applications.
With a 40mil (1.016mm) RT/duroid 5880 core and a finished thickness
of 1.1mm, this PCB offers exceptional dielectric constant
uniformity, low dissipation factor, and resistance to solvents and
reagents. The dielectric constant (Dk) of 2.2 ± 0.02 and
dissipation factor of 0.0009 make it an excellent choice for
precision microstrip and stripline circuits.
The Immersion Gold (ENIG) surface finish ensures superior
solderability, corrosion resistance, and long-term reliability,
while the white silkscreen on the top layer enhances component
labeling and readability.
PCB Construction Details
| Parameter | Specification |
| Base Material | Rogers RT/duroid 5880 |
| Layer Count | 2 layers |
| Board Dimensions | 110mm x 33.59mm |
| Minimum Trace/Space | 4/6 mils |
| Minimum Hole Size | 0.3mm |
| Blind Vias | None |
| Finished Thickness | 1.1mm |
| Copper Weight | 1oz (1.4 mils) inner and outer layers |
| Via Plating Thickness | 20μm |
| Surface Finish | Immersion Gold (ENIG) |
| Top Silkscreen | White |
| Bottom Silkscreen | None |
| Top Solder Mask | None |
| Bottom Solder Mask | None |
| Electrical Testing | 100% tested before shipment |
PCB Stackup
| Layer | Material | Thickness |
| Copper Layer 1 | Copper (1oz) | 35μm |
| Dielectric Layer | RT/duroid 5880 Core | 1.016mm (40mil) |
| Copper Layer 2 | Copper (1oz) | 35μm |
The Rogers RT/duroid 5880 laminates are PTFE composites reinforced
with glass microfibers, offering uniform dielectric constant and
low electrical loss, even at Ku-band frequencies and above. These
laminates are widely used in high-frequency applications due to
their isotropic properties, low moisture absorption, and
exceptional thermal stability.
Key Features of RT/duroid 5880
- Dielectric Constant (Dk): 2.2 ± 0.02 at 10GHz/23°C.
- Dissipation Factor: Ultra-low at 0.0009 at 10GHz.
- Thermal Expansion Coefficient (CTE): X-axis: 31 ppm/°C. Y-axis: 48
ppm/°C. Z-axis: 237 ppm/°C.
- Temperature Coefficient of Dielectric Constant (TCDk): -125 ppm/°C.
- Moisture Absorption: Very low at 0.02%.
- Isotropic Properties: Consistent electrical and mechanical behavior
in all directions.
Benefits of RT/duroid 5880
- Uniform Electrical Properties: Maintains stable performance across
a wide frequency range.
- Ease of Fabrication: Easily cut, sheared, and machined to shape.
- Chemical Resistance: Resistant to solvents and reagents used in
etching and plating processes.
- Low Electrical Loss: Suitable for high-precision microwave and
millimeter wave designs.
- Durability in High-Moisture Environments: Excellent for outdoor or
harsh environments.
Applications
Commercial Airline Broadband Antennas
Microstrip and Stripline Circuits
Millimeter Wave Applications
Radar Systems
Guidance Systems
Point-to-Point Digital Radio Antennas
Conclusion
The RT/duroid 5880 2-layer PCB is a premium solution for
high-frequency and RF designs, offering low dielectric loss,
uniform electrical properties, and thermal stability. With its
40mil RT/duroid 5880 core, Immersion Gold finish, and white
silkscreen, this PCB is ideal for applications like radar systems,
airline broadband antennas, and millimeter wave circuits.
Compliant with IPC-Class-2 standards and available worldwide, the
RT/duroid 5880 PCB is the perfect choice for engineers working on
high-precision, high-frequency RF systems.
