This 2-layer rigid PCB, built with Rogers DiClad 870 as its base material, is engineered to excel in high-frequency and low-loss electronic systems. With board dimensions of 83mm x 35mm (1 piece) and a tight tolerance of +/- 0.15mm, it provides a reliable and compact foundation for applications demanding consistent performance in diverse operating conditions.
PCB details
| Construction Detail | Specification |
| Base material | DiClad 870 |
| Layer count | 2-layer |
| Board dimensions | 83mm x 35mm (1 piece), +/- 0.15mm |
| Minimum Trace/Space | 5/9 mils |
| Minimum Hole Size | 0.3mm |
| Finished board thickness | 2.5mm |
| Finished Cu weight | Outer layers: 1 oz (1.4 mils) |
| Via plating thickness | 20 μm |
| Surface finish | Immersion gold |
| Silkscreen | No |
| Solder Mask | No |
| Quality assurance (prior to shipment) | 100% Electrical test |
PCB Stack-up
The 2-layer rigid PCB features a precisely optimized stack-up to leverage DiClad 870’s unique properties:
| Layer/Material | Thickness Specification |
| Copper_layer_1 | 35 μm |
| DiClad 870 Core | 2.362mm (93mil) |
| Copper_layer_2 | 35 μm |
Artwork, Standards, and Availability
Artwork Format: You should supply the file. Gerber RS-274-X, a universal standard for PCB manufacturing data, ensuring seamless production and compatibility with industry workflows.
Quality Standard: Complies with IPC-Class-2, guaranteeing reliable performance for general electronic applications and meeting stringent industry requirements.
Availability: Offered worldwide, making it accessible for global projects across various industries, from telecommunications to aerospace.
Key Features of Rogers DiClad 870
DiClad 870 enhances the PCB’s performance with a range of standout features:
- Electrical Stability: Dielectric Constant (Dk) of 2.33 at 10 GHz and 1 MHz (50% RH), with a low dissipation factor of 0.0013 at 10 GHz and 0.0009 at 1 MHz—minimizing signal loss in high-frequency applications.
- Thermal Coefficient of Dielectric Constant (TcDK): -161 ppm/°C over the range of -10~140°C (10 GHz), ensuring stable electrical performance across temperature fluctuations.
- Mechanical and Environmental Resilience: Low moisture absorption (0.02%)—the lowest among PTFE-based composites—along with a copper peel strength of 14 lbs/in (10s @288°C), ensuring durability in harsh environments.
- Safety and Reliability: Arc resistance >180 seconds and UL 94-V0 flammability rating, enhancing safety in critical applications.
- Dimensional Stability: Coefficient of Thermal Expansion (CTE) of 17 ppm/°C (X-axis), 29 ppm/°C (Y-axis), and 217 ppm/°C (Z-axis), supporting consistent performance under thermal stress.
Benefits of DiClad 870
These features translate to critical advantages for the PCB:
- Lowest Moisture Absorption: Ensures long-term reliability in humid or moisture-prone environments.
- Stable Dk Over Frequency: Maintains consistent signal propagation across a wide range of operating frequencies, critical for multi-band systems.
- Reduced Insertion Loss: Low Dk supports wider line widths, minimizing signal attenuation and enhancing overall system efficiency.
Typical Applications
Leveraging the performance of Rogers DiClad 870, this PCB is ideally suited for:
-Radar Feed Networks
-Commercial Phased Array Networks
-Low Loss Base Station Antennas
-Guidance Systems
-Digital Radio Antennas
-Filters, Couplers, and LNAs (Low-Noise Amplifiers)
Product Tags:
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DiClad 870 RF PCB Board 2-Layer with 35μm Copper Layers and 2.5mm Thickness for High-Frequency Applications Images
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