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20 mil RO4003C PCB
20 mil RO4003C PCB

RO4003C PCB 32mil: The Ultimate Solution for High-Frequency Applications

  • January 17. 2024

The RO4003C PCB is a groundbreaking innovation in the field of microwave laminates. With its exceptional electrical performance, low loss, and cost-effective production process, it has become the go-to choice for a wide range of high-frequency applications. In this comprehensive product blog, we will delve deep into the features, benefits, construction details, and applications of the RO4003C PCB, providing you with all the information you need to make an informed decision.

RO4003C Introduction:

The RO4003C laminates are fabricated using a combination of 1080 and 1674 glass fabric styles, resulting in superior electrical performance and tight control on dielectric constant (Dk). What sets it apart from conventional microwave laminates is its significantly lower cost, making it an ideal choice for budget-conscious projects. Unlike PTFE-based microwave materials, no special through-hole treatments or handling procedures are required, simplifying the manufacturing process.


The RO4003C high frequency PCB boasts an impressive array of features that make it perfect for high-frequency applications:

1. Rogers RO4003C woven glass reinforced hydrocarbon/ceramics:

This unique composition ensures excellent electrical performance and low loss.

2. Dielectric Constant of DK 3.38 +/-0.05 at 10GHz:

The tight control over dielectric constant guarantees precision in signal transmission.

3. Dissipation Factor of 0.0027 at 10GHz:

Low dissipation factor ensures minimal energy loss during signal transmission.

4. Thermal Conductivity 0.71 W/m/°K:

The high thermal conductivity of the RO4003C PCB helps dissipate heat efficiently, ensuring reliability even under demanding conditions.

5. X, Y, and Z-axis CTE:

With CTE values of 11ppm/°C, 14ppm/°C, and 46ppm/°C respectively, the PCB offers excellent dimensional stability and reliable performance over a wide range of temperatures.

6. Tg >280 °C:

The high glass transition temperature ensures the PCB's stability even in extreme temperature conditions.

7. -40℃ to +85℃ operation:

The RO4003C PCB is designed to operate flawlessly in a wide temperature range, making it suitable for various environments.

RO4003C high frequency PCB


The Rogers 4003C PCB provides numerous benefits that set it apart from other laminates:

1. Low dielectric tolerance and low loss:

The tight control over dielectric constant and minimal energy loss make it perfect for applications requiring high precision and efficiency.

2. Stable electrical properties vs. frequency:

Controlled impedance transmission lines and repeatable filter designs are easily achieved with the RO4003C PCB.

3. Low thermal coefficient of dielectric constant:

The PCB's excellent dimensional stability ensures reliable performance, even under varying thermal conditions.

4. Low Z-axis expansion:

The RO4003C PCB's low Z-axis expansion guarantees reliable plated through holes, resulting in a more robust and durable product.

5. Low in-plane expansion coefficient:

The PCB remains stable throughout the entire circuit processing temperature range, ensuring consistent performance.

6. Volume manufacturing process:

The RO4003C laminates can be fabricated using standard glass epoxy processes, making it a cost-effective choice for large-scale production.

7. CAF resistant:

The RO4003C PCB is highly resistant to conductive anodic filament (CAF) formation, ensuring its longevity and reliability.

PCB Stackup:

The RO4003C 0.813mm substrate PCB is a 2-layer rigid PCB with the following stackup:

Copper_layer_1: 35 μm

Rogers 4003C Core: 0.813 mm (32mil)

Copper_layer_2: 35 μm

PCB Construction Details:

The RO4003C PCB comes with the following construction details:

  • Board dimensions: The PCB is available in two types, with dimensions of 265mm x 66.88mm each, with a tolerance of +/- 0.15mm.
  • Minimum Trace/Space: The PCB allows for minimum trace width and spacing of 6/5 mils, ensuring excellent signal integrity.
  • Minimum Hole Size: The RO4003C PCB supports a minimum hole size of 0.35mm, enabling precise and reliable interconnections.
  • No Blind vias: The absence of blind vias simplifies the PCB production process and ensures consistency in quality.
  • Finished board thickness: The PCB has a finished thickness of 0.9mm, providing a balance between durability and flexibility.
  • Finished Cu weight: The outer layers of the PCB have a finished copper weight of 1oz (1.4 mils), guaranteeing optimal conductivity.
  • Via plating thickness: The via plating thickness is 20 μm, ensuring reliable interconnections and durability.
  • Surface finish: The RO4003C PCB is finished with immersion gold, offering excellent corrosion resistance and solderability.
  • Top and Bottom Silkscreen: The silkscreen on both the top and bottom layers is white, providing clear and visible markings for component placement.
  • Top and Bottom Solder Mask: The solder mask is green on both the top and bottom layers, offering protection and insulation.
  • 100% Electrical Test: Every RO4003C PCB undergoes a thorough electrical test before shipment, ensuring its reliability and performance.

PCB Statistics:

The Rogers RO4003C PCB boasts impressive statistics that highlight its capabilities:

Components: The PCB supports the placement of up to 66 components, allowing for complex and advanced circuit designs.

Total Pads: With 153 pads available, the PCB offers ample space for precise and reliable interconnections.

Thru Hole Pads: The RO4003C PCB supports 81 thru-hole pads, providing flexibility in component placement.

Top and Bottom SMT Pads: The top layer of the PCB supports 72 SMT pads, facilitating the integration of surface-mount components.

Vias: The PCB supports a total of 120 vias, enabling efficient signal routing and connectivity.

Nets: With 4 available nets, the PCB can handle a variety of complex circuit designs.

Rogers RO4003C PCB

Type of Artwork Supplied: Gerber RS-274-X

The RO4003C PCB utilizes Gerber RS-274-X artwork, a widely used industry-standard format for PCB production.

Quality Standard: IPC-Class-2

The RO4003C PCB adheres to the IPC-Class-2 quality standard, ensuring consistent and reliable performance.

Availability: Worldwide

The RO4003C PCB is available worldwide, making it easily accessible for a diverse range of projects and applications.

Typical Applications:

The Rogers 4003C 32mil PCB finds extensive use in various high-frequency applications, including:

1. Cellular Base Station Antennas and Power Amplifiers:

The PCB's excellent electrical performance and low loss make it ideal for these critical components in cellular communication systems.

2. RF Identification Tags:

The RO4003C PCB's stable electrical properties and low dielectric tolerance make it perfect for RF identification tags, ensuring reliable and precise signal transmission.

3. Automotive Radar and Sensors:

The PCB's reliable performance over a wide range of temperatures and low Z-axis expansion make it a top choice for automotive radar and sensor systems.

4. LNB's for Direct Broadcast Satellites:

The RO4003C PCB's excellent electrical performance and low loss make it an ideal choice for LNBs, ensuring high-quality signal reception and transmission.

In Conclusion:

The RO4003Chigh frequencyPCB is a game-changer in the world of high-frequency applications. With its exceptional electrical performance, low loss, and cost-effective production process, it has become the go-to choice for a wide range of industries. Its stable electrical properties, low thermal coefficient, and dimensional stability make it perfect for demanding applications requiring precision and reliability. With theRogersRO4003C32milPCB, you can confidently take your high-frequency projects to new heights.

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IPv6 network supported

IPv6 network supported


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