RO4830 Plus PCB 2-layer 5mil 0.127mm Rogers 4830 High Frequency Material ENIG
Product Overview
The RO4830 Plus 2-layer 5 mil PCB is a high-frequency, thermoset laminate-based circuit board designed for millimeter-wave applications, particularly 76-81 GHz automotive radar sensors. This PCB leverages Rogers’advanced RO4830 Plus material, which provides low insertion loss, stable dielectric constant, and excellent CAF resistance, making it ideal for high-frequency RF designs.
With a 2-layer rigid construction, this Rogers RO4830 Plus PCB features 5mil trace/space capability, electroless nickel immersion gold (ENIG) surface finish, and strict adherence to IPC-Class-2 quality standards. Its woven-glass-free dielectric structure ensures superior signal integrity, making it a cost-effective yet high-performance solution for automotive radar, patch antennas, and RF feed networks.
PCB Construction Details & Specifications
Below is a detailed breakdown of the 5 mil RO4830 PCB’s construction, stackup, and statistical data in tabular format for clarity.
PCB Construction Details
| PCB Construction Details | Specifications |
| Base Material | RO4830 Plus |
| Layer Count | 2 layers |
| Board Dimensions | 45mm x 55mm (±0.15mm tolerance) |
| Minimum Trace/Space | 4/5 mils |
| Minimum Hole Size | 0.2mm |
| Blind Vias | No |
| Finished Board Thickness | 0.2mm |
| Finished Copper Weight (Outer) | 1oz (1.4 mils) |
| Via Plating Thickness | 20 μm |
| Surface Finish | Electroless Nickel Immersion Gold (ENIG) |
| Top Silkscreen | No |
| Bottom Silkscreen | No |
| Top Solder Mask | Green |
| Bottom Solder Mask | No |
| Electrical Testing | 100% tested prior to shipment |
PCB Stackup (2-Layer Rigid)
| PCB Stackup (2-Layer Rigid) | Thickness |
| Copper Layer 1 (Top) | 35 μm (1 oz) |
| RO4830 Plus Core | 5mil (0.127 mm) |
| Copper Layer 2 (Bottom) | 35 μm (1 oz) |
PCB Statistics
| PCB Statistics | Count |
| Components | 10 |
| Total Pads | 31 |
| Thru-Hole Pads | 19 |
| Top SMT Pads | 12 |
| Bottom SMT Pads | 0 |
| Vias | 21 |
| Nets | 2 |
Key Features of RO4830 Plus Material
The Rogers 4830 Plus laminate is engineered for high-frequency RF applications, offering superior electrical and mechanical properties:
- Dielectric Constant (Dk): 3.0±0.04 @ 10GHz (stable up to 77GHz)
- Dissipation Factor (Df): 0.0015 (ultra-low loss)
- Thermal Coefficient of Dk: -54 ppm/°C (stable across temperature variations)
- Glass Transition Temp (Tg): 285°C (high thermal stability)
- Peel Strength: 4.5 lbs/inch (strong copper adhesion)
- Moisture Absorption: 0.02% (minimal humidity impact)
- Flammability Rating: UL-94 V0 (fire-resistant)
Benefits of RO4830 Plus PCB
- Optimized for 77 GHz radar applications
- Low insertion loss (1.5 dB/inch @ 5mil)
- Excellent laser drilling & CAF resistance
- PFAS-free & lead-free solder compatible
- Compatible with standard FR-4 processes
Applications
This 2-layer RO4830 Plus PCB is ideal for:
✅76-81 GHz Automotive Radar Sensors (corner radar, collision avoidance)
✅Patch Antennas for mmWave Radar
✅RF Feed Networks for Waveguide Antennas
✅Intermediate Frequency (IF) Layers in Multi-Chip Radar Designs
Quality & Availability
- Artwork Format: Gerber RS-274-X
- Quality Standard: IPC-Class-2 (high-reliability manufacturing)
- Global Availability: Worldwide shipping
Conclusion
The RO4830 Plus high frequency PCB is a high-performance, cost-effective solution for millimeter-wave RF applications, particularly in automotive radar systems. With its low-loss dielectric properties, stable Dk, and robust construction, thisRogers 4830 PlusPCB ensures superior signal integrity and reliability in demanding environments.
For engineers working on 77-81 GHz radar sensors, RF antennas, or high-frequency PCBs, this board offers an optimal balance of performance, manufacturability, and cost efficiency.
Contact us today to order or request a custom PCB solution!
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