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20 mil RO4003C PCB
20 mil RO4003C PCB

What Material is Rogers RO4003C? - RO4003C PCB 4.8mm

  • April 11. 2024

The RO4003C PCB is a cutting-edge circuit board fabricated using Rogers RO4003C materials. These materials are a proprietary blend of woven glass reinforced hydrocarbon/ceramics, combining the electrical performance of PTFE/woven glass with the manufacturability of epoxy/glass. The RO4003C laminates offer exceptional control over dielectric constant (Dk) and low loss, making them an ideal choice for high-frequency applications. Unlike PTFE-based microwave materials, the RO4003C PCB does not require special through-hole treatments or handling procedures, providing ease of use and cost-effectiveness.


The RO4003C circuit board boasts several notable features that contribute to its superior performance. These features include:

Dielectric Constant (DK): PCB exhibits a stable DK of 3.38 +/- 0.05 at 10GHz, ensuring reliable signal transmission and consistent electrical performance.

Dissipation Factor: With a dissipation factor of 0.0027 at 10GHz, the RO4003C PCB minimizes signal loss and maintains excellent signal integrity.

Thermal Conductivity: The PCB offers a thermal conductivity of 0.71 W/m/°K, allowing efficient heat dissipation and aiding in thermal management.

Coefficient of Thermal Expansion (CTE): It demonstrates a low X-axis CTE of 11 ppm/°C, Y-axis CTE of 14 ppm/°C, and Z-axis CTE of 46 ppm/°C, ensuring dimensional stability and reducing the risk of mechanical stress during temperature variations.

High Tg Value: The PCB has a high glass transition temperature (Tg) of >280°C, providing enhanced reliability and performance even under elevated temperature conditions.


The RO4003C PCB 4.8mm offers several benefits that make it an excellent choice for a wide range of applications. These benefits include:

Ideal for Multi-Layer Board (MLB) Constructions: The PCB's design and composition make it well-suited for multi-layer board constructions, enabling the realization of complex circuit designs and high-density interconnections.

Processes Like FR-4 at Lower Fabrication Cost: Despite its superior electrical performance, the RO4003C PCB can be processed using standard FR-4 fabrication techniques, resulting in cost savings compared to conventional microwave laminates.

Designed for Performance-Sensitive, High-Volume Applications: The PCB's exceptional electrical properties and manufacturability make it an optimal choice for performance-sensitive applications, including those requiring high-volume production.

Competitively Priced: The RO4003C PCB offers a cost-effective solution for high-frequency applications, providing competitive pricing without compromising on performance or reliability.

PCB Stackup

The RO4003C PCB features a 3-layer rigid PCB stackup configuration. The stackup details are as follows:

Copper Layer 1: 35 μm

Rogers RO4003C Core: 0.508 mm (20mil)

Prepreg RO4450F: 0.200mm

Copper Layer 2: 35 μm

Rogers RO4003C Core: 1.524mm

Prepreg RO4450F: 0.200mm

Rogers RO4003C Core: 1.524mm

Prepreg RO4450F: 0.200mm

Rogers RO4003C Core: 0.508mm

Copper Layer 3: 35μm

PCB Construction Details

The RO4003C PCB 4.8mm possesses the following construction specifications:

Board Dimensions: The PCB measures 66mm x 66mm, providing ample space for circuitry design and component placement. The dimensions are accurate within +/- 0.15mm for precise manufacturing.

Minimum Trace/Space: The PCB supports a minimum trace width and spacing of 10/10 mils, allowing for intricate and compact circuit designs.

Minimum Hole Size: The PCB accommodates a minimum hole size of 0.5mm, enabling the use of standard drill sizes and facilitating efficient fabrication processes.

Finished Board Thickness: The finished PCB thickness is 4.8mm, providing robustness and durability to withstand various environmental conditions and mechanical stress.

Finished Copper Weight: The outer layers of the PCB feature 1oz (1.4 mils) of finished copper weight, ensuring excellent conductivity and signal transmission.

Via Plating Thickness: The PCB incorporates vias with a plating thickness of 20 μm, guaranteeing reliable electrical connections and signal integrity.

Surface Finish: The PCB is finished with ENEPIG (Electroless Nickel Electroless Palladium Immersion Gold), offering exceptional corrosion resistance, solderability, and long-term reliability.

Silkscreen: The top layer features no silkscreen for clear component labeling and identification.

Solder Mask: The top layer is coated with white solder mask, providing protection against solder bridging and ensuring precise solder application.

Plugged Vias: The vias on the PCB are filled with conductive copper paste, enhancing conductivity and strengthening the interconnection between layers.

100% Electrical Test: Each PCB undergoes a rigorous 100% electrical test prior to shipment, ensuring that all connections and circuitry are functioning correctly.

PCB Statistics

The RO4003C PCB 4.8mm possesses the following statistics:

Components: The PCB accommodates 2 components, allowing for the integration of various electronic elements.

Total Pads: The total number of pads on the PCB is 5, enabling connections and soldering points for components.

Thru-Hole Pads: There are 3 pads dedicated to thru-hole components, facilitating secure and reliable connections for such components.

Top SMT Pads: The top surface of the PCB features 2 SMT (Surface Mount Technology) pads, providing compatibility with SMT components.

Bottom SMT Pads: The bottom surface of the PCB does not have any SMT pads, indicating that all SMT components are mounted on the top side.

Vias: The PCB includes 1 via, allowing for electrical connections between different layers of the circuit board.

Nets: The PCB supports a single net, providing a pathway for electrical signals across the circuit.

Type of Artwork Supplied

The RO4003C PCB 4.8mm is designed to be compatible with Gerber RS-274-X artwork, ensuring seamless integration into standard PCB fabrication processes.

Quality Standard

The PCB adheres to the IPC-Class-2 quality standard, guaranteeing reliable performance, manufacturing consistency, and conformity to industry specifications.


The Rogers 4003C PCB 4.8mm is available for purchase worldwide, enabling customers from various regions to access this high-performance circuit board for their applications.

Typical Applications

The Rogers RO4003C PCB board finds applications in a wide range of industries and technologies. Some typical applications include:

1.Cellular Base Station Antennas and Power Amplifiers: The PCB's high-frequency performance and reliability make it suitable for use in cellular base station antennas and power amplifiers, ensuring efficient signal transmission and enhanced network coverage.

2.RF Identification Tags: The RO4003C PCB's low loss and tight control over dielectric constant make it ideal for RF identification tags, enabling accurate and reliable data transfer in identification and tracking systems.

3.Automotive Radar and Sensors: The PCB supports the demanding requirements of automotive radar and sensor systems, providing excellent signal integrity and stability for critical automotive applications.

4.LNB's for Direct Broadcast Satellites: The RO4003C PCB offers the necessary performance and durability for low-noise block downconverters (LNBs) used in direct broadcast satellite systems, ensuring high-quality reception and signal processing.

In conclusion, the RO4003C high frequency PCB is a high-performance circuit board fabricated using Rogers Corporation's innovative RO4003C materials. With its exceptional electrical properties, manufacturability, and cost-effectiveness, this PCB is an ideal choice for high-frequency applications in various industries. Its tight control over dielectric constant, low loss, and thermal conductivity make it suitable for demanding applications such as cellular base station antennas, automotive radar systems, RF identification tags, and satellite communication systems. With worldwide availability and adherence to the IPC-Class-2 quality standard, the RO4003C PCB 4.8mm provides reliable performance and is ready to meet the needs of customers globally.

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IPv6 network supported

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