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20 mil RO4003C PCB
20 mil RO4003C PCB

RO4003C PCB 32mil 1200mm: Unraveling a World of Possibilities

  • March 13. 2024

In the fast-paced world of electronics, where performance, reliability, and cost-efficiency are paramount, the RO4003C PCB is a high-quality laminated circuit board that offers exceptional performance in a variety of applications. Designed with precision and cost-effectiveness in mind, this PCB utilizes advanced materials and manufacturing techniques to provide excellent electrical properties, dimensional stability, and thermal conductivity. With its low dielectric tolerance, controlled impedance transmission lines, and stable electrical properties, the Rogers RO4003C PCB is ideal for high-frequency and broadband applications. In this comprehensive product description, we will explore the features, benefits, construction details, statistics, and typical applications of the RO4003C PCB.


The RO4003C PCB boasts several key features that make it a standout choice for demanding electronic applications:

1.Rogers RO4003C Woven Glass Reinforced Hydrocarbon/Ceramics:

The PCB utilizes a combination of 1080 and 1674 glass fabric styles, providing both strength and stability.

2.Dielectric Constant and Dissipation Factor:

With a dielectric constant (DK) of 3.38 +/- 0.05 at 10GHz and a low dissipation factor of 0.0027 at 10GHz, the RO4003C PCB offers excellent electrical performance and allows for applications with higher operating frequencies.

3.Thermal Conductivity:

The PCB exhibits a high thermal conductivity of 0.71 W/m/°K, ensuring efficient heat dissipation and improved overall reliability.

4.Coefficient of Thermal Expansion (CTE):

The board's CTE values are well-controlled, with an X-axis CTE of 11ppm/°C, Y-axis CTE of 14ppm/°C, and Z-axis CTE of 46ppm/°C. This ensures stability over a wide temperature range and minimizes the risk of problems associated with thermal expansion.

5.High Tg:

The RO4003C PCB has a glass transition temperature (Tg) greater than 280 °C, ensuring excellent mechanical strength and dimensional stability even under high-temperature conditions.

6.Wide Operating Temperature Range:

The PCB can operate reliably in temperatures ranging from -40℃to +85℃, making it suitable for various environments and applications.


Just for reference


The RO4003C PCB offers a range of benefits that make it an attractive choice for engineers and designers:

1.Low Dielectric Tolerance and Low Loss:

The PCB provides tight control on the dielectric constant (Dk) and offers low loss properties. This enables accurate and efficient signal transmission, reducing the risk of signal distortion and maximizing overall system performance.

2.Stable Electrical Properties vs. Frequency:

The RO4003C PCB ensures stable electrical properties over a wide frequency range, making it suitable for applications that require controlled impedance transmission lines and repeatable design of filters.

3.Low Thermal Coefficient of Dielectric Constant:

The PCB exhibits excellent dimensional stability, thanks to its low thermal coefficient of dielectric constant. This stability is crucial for maintaining signal integrity and preventing performance degradation due to environmental changes.

4.Low Z-Axis Expansion:

The RO4003C PCB demonstrates low Z-axis expansion, ensuring the reliability of plated through holes. This feature contributes to the longevity and robustness of the PCB, essential for applications that require long-term reliability.

5.Low In-Plane Expansion Coefficient:

The PCB's low in-plane expansion coefficient ensures stability over a wide range of circuit processing temperatures. This feature simplifies the manufacturing process and allows for consistent and reliable production.

6.Volume Manufacturing Process:

The RO4003C laminates can be fabricated using standard glass epoxy processes, making them compatible with existing manufacturing infrastructure. This enables cost-effective production and competitive pricing compared to conventional microwave laminates.

7.CAF Resistant:

The PCB is resistant to Conductive Anodic Filament (CAF) formation, which can lead to electrical failures in certain conditions. This resistance enhances the reliability and lifespan of the PCB.

PCB Stackup and Construction Details

The RO4003C 2-layer PCB is rigid PCB with the following stackup and construction details:

Copper Layer 1: 35 μm

Rogers 4003C Core: 0.813 mm (32mil)

Copper Layer 2: 35 μm

Board Dimensions: 1200mm x 300mm = 1PCS, +/- 0.15mm

Minimum Trace/Space: 6/6 mils

Minimum Hole Size: 0.5mm

No Blind Vias

Finished Board Thickness: 0.9mm

Finished Cu Weight: 1oz (1.4 mils) outer layers

Via Plating Thickness: 20 μm

Surface Finish: Immersion Gold

Top Silkscreen: Black

Bottom Silkscreen: No

Top Solder Mask: No

Bottom Solder Mask: No- 100% Electrical Test:

Each RO4003C PCB undergoes a rigorous 100% electrical test prior to shipment, ensuring that it meets the specified performance criteria and guarantees reliable operation.

PCB Statistics

The 32mil RO4003C PCB exhibits the following statistical information:

Components: 51

Total Pads: 232

Thru-Hole Pads: 171

Top SMT Pads: 61

Bottom SMT Pads: 0

Vias: 120

Nets: 4

Type of Artwork Supplied

The RO4003C 0.813mm substrate PCB is supplied with Gerber RS-274-X artwork, a widely accepted format for PCB manufacturing. This format ensures compatibility and ease of use for PCB manufacturers.

Quality Standard

The Rogers 4003C PCB adheres to the IPC-Class-2 quality standard, which guarantees a high level of reliability and performance. This standard ensures that the PCB meets specific criteria regarding dimensional accuracy, solderability, and electrical performance.


The RO4003C PCB is available worldwide, making it easily accessible to customers across different regions and markets.

Typical Applications

The RO4003C high frequency Board finds applications in various industries and scenarios, thanks to its exceptional performance characteristics. Some typical applications include:

1.Cellular Base Station Antennas and Power Amplifiers:

The PCB's high-frequency capabilities and low loss properties make it suitable for cellular base station antennas and power amplifiers, where reliable signal transmission and efficient power amplification are critical.

2.RF Identification Tags:

The RO4003C PCB's controlled impedance transmission lines and stable electrical properties are ideal for RF identification tags, ensuring accurate and reliable data communication in RFID systems.

3.Automotive Radar and Sensors:

In automotive radar and sensor applications, the PCB's low dielectric tolerance, thermal stability, and CAF resistance are highly advantageous. These properties contribute to the reliability and longevity of radar and sensor systems in vehicles.

4.LNB's for Direct Broadcast Satellites:

The RO4003C PCB is well-suited for use in Low-Noise Block Downconverters (LNBs) for direct broadcast satellites. Its excellent electrical performance and low loss characteristics ensure optimal signal reception and processing.

In conclusion, the Rogers RO4003C 32mil PCB is a high-quality laminated circuit board that offers exceptional electrical performance, dimensional stability, thermal conductivity, and cost-effectiveness. With its low dielectric tolerance, controlled impedance transmission lines, and stable properties across a wide frequency range, it is an excellent choice for applications requiring high-frequency operation, broadband capability, and reliable signal transmission. Whether used in cellular base stations, automotive radar systems, or RF identification tags, the RO4003C printed circuit board provides the reliability and performance needed for demanding electronic applications.

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