Product Details
RO4350B 2-Layer PCB: 1.524mm Thick with ENIG Finish
The RO4350B 2-layer PCB is a reliable and cost-effective solution
for RF and microwave applications. Made from Rogers RO4350B
laminates, it provides excellent electrical performance, mechanical
stability, and low loss, making it ideal for high-power RF designs.
Its ENIG (Immersion Gold) finish ensures superior solderability and
durability.
Key Construction Details
| Parameter | Specification |
| Base Material | Rogers RO4350B |
| Layer Count | 2 layers |
| Board Dimensions | 80mm x 75mm (± 0.15mm) |
| Minimum Trace/Space | 4/4 mils |
| Minimum Hole Size | 0.3mm |
| Blind Vias | None |
| Finished Thickness | 1.6mm (with 1.524mm core) |
| Copper Weight | 1oz (35μm) on both layers |
| Via Plating Thickness | 20μm |
| Surface Finish | ENIG (Immersion Gold) |
| Top Silkscreen | White |
| Bottom Silkscreen | None |
| Top Solder Mask | None |
| Bottom Solder Mask | None |
| Electrical Testing | 100% tested before shipment |
Features of RO4350B Material
- Dielectric Constant (Dk): 3.48 ± 0.05 at 10GHz for stable
high-frequency performance.
- Dissipation Factor (Df): 0.0037 at 10GHz for low signal loss.
- Thermal Conductivity: 0.69 W/m/°K for effective heat dissipation.
- Thermal Coefficient of Dk: +50 ppm/°C for stability across
temperatures.
- High Tg: >280°C for thermal reliability.
- Water Absorption: 0.06%, making it suitable for humid environments.
- Flammability Rating: UL 94 V-0 for safety in high-power
applications.
Applications
Cellular Base Station Antennas
Power Amplifiers
Automotive Radar and Sensors
RF Identification Tags
Direct Broadcast Satellites (LNBs)
Why Choose RO4350B PCB?
Exceptional RF performance with low loss at high frequencies.
Thermal reliability for high-power designs.
Cost-effective and easy to manufacture, reducing production
complexity.
Durable ENIG finish for long-term performance.
The RO4350B 2-layer PCB is the perfect choice for high-frequency,
high-reliability designs. Contact us today to learn how it can meet
your project needs!
Company Profile

Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in
Shenzhen China, severing cellular base station antenna, satellite,
high frequency passive components, microstrip line and band line
circuit, millimeter wave equipment, radar systems, digital radio
frequency antenna and other fields worldwide for 18 years. Our high
frequency PCBs are mainly built on 3 high frequency material
brands: Rogers Corporation, Taconic and Wangling. Dielectric
constant ranges from 2.2 to 10.2 etc.
We also have divisions of FR-4 circuit board, flexible circuits and
metal core PCBs featured as prototypes, small runs to mass
production. We actively research and build such high value added
PCB projects as HDI, quick turn, impedance control, heavy copper
and backplane board etc. This has made our PCB products generate an
effective prolongation and complementation, as well as formation of
integrated products line ranging from low-end to high-end.
Bicheng PCB is headquartered in Shenzhen, a city with great
economic vitality. Based in China, we adhere to the philosophy of
servicing small and medium sized companies offering variety of
circuit boards to meet the demands of market.
We maintain the highest standards which support products that
exhibit exceptional quality, performance and reliability. The
circuit board ranges from conventional FR-4 to PTFE, metal core to
flexible circuits which are used in the industries of home
appliances, portable and consumable electronics, medical filed,
aerospace as well as telecommunications etc.
Main material partners


