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20 mil RO4003C PCB
20 mil RO4003C PCB

Rogers TMM10 PCB 20mil -What is the dielectric constant of TMM10?

  • April 22. 2024

Rogers TMM10 thermoset microwave material revolutionizes the world of high-frequency circuitry with its exceptional properties and reliability. Combining the advantages of PTFE and ceramic-based substrates, TMM10 offers unparalleled mechanical strength and production flexibility. In this comprehensive blog, we delve into the deep and informative details of TMM10 PCB, exploring its features, benefits, construction, statistics, and typical applications. Whether you're an RF engineer, a power amplifier designer, or a satellite communication system developer, TMM10 PCB is your ultimate solution for unleashing the full potential of your high-performance microwave applications.


TMM10 20mil substrate PCB sets new standards with its remarkable features. With a dielectric constant (Dk) of 9.20 +/- .23 at 10GHz and a dissipation factor of .0022 at 10GHz, it ensures exceptional signal integrity for your high-frequency designs. The thermal coefficient of Dk of -38 ppm/°K guarantees stable performance across temperature variations, while the coefficient of thermal expansion matched to copper prevents delamination and ensures a reliable copper-to-substrate bond. With a decomposition temperature (Td) of 425 °C, TMM10 withstands demanding fabrication processes. Additionally, its thermal conductivity of 0.76W/mk ensures efficient heat dissipation, making it ideal for power-intensive applications.


TMM10 PCB offers a range of benefits that enhance reliability and ease of use. Its mechanical properties resist creep and cold flow, ensuring long-lasting performance in demanding environments. The material's resistance to process chemicals minimizes damage during fabrication, resulting in higher-quality boards. Unlike other materials, TMM10 does not require a sodium napthanate treatment prior to electroless plating, simplifying the manufacturing process. Being based on a thermoset resin, it enables reliable wire bonding, ensuring robust connections for your critical circuits. With TMM10, you can trust in the longevity and stability of your microwave applications.

PCB Construction Details:

The TMM10 Solder Mask PCB Circuitis a 2-layer rigid board designed to meet the requirements of high-frequency applications. The copper layer thickness is 35 μm on both sides, sandwiching the 0.508 mm (20mil) TMM10 core. These specifications ensure excellent signal transmission and reduce losses. The board dimensions are 63mm x 45mm, with a tight tolerance of +/- 0.15mm, guaranteeing precise and consistent dimensions. The minimum trace/space of 5/5 mils allows for intricate circuitry, while the minimum hole size of 0.35mm facilitates efficient drilling processes. The absence of blind vias simplifies the manufacturing process while maintaining reliability.

The finished board thickness is 0.6mm, striking a balance between structural integrity and weight considerations. The outer layers feature 1oz (1.4 mils) copper weight, providing excellent conductivity. Via plating thickness of 20 μm ensures reliable interconnection between layers. The surface finish is immersion silver, offering excellent solderability and corrosion resistance. The top silkscreen is in white, offering clear component identification, while the green top solder mask provides insulation and protection. The absence of a bottom silkscreen and bottom solder mask allows for greater flexibility during assembly and design modifications.

PCB Statistics and Quality Standards:

The TMM10 PCB boasts impressive statistics, making it suitable for a wide range of applications. It supports up to 10 components and features 20 pads, including 14 through-hole pads and 6 top surface mount pads. The IPC-Class-2 quality standard guarantees high reliability and performance. Every board undergoes a rigorous 100% electrical test before shipment, ensuring that only flawless PCBs reach your hands. With its availability worldwide, you can access TMM10 PCB wherever you are, making it convenient for your global projects.

Typical Applications :

TMM10 PCB finds its place in a multitude of high-frequency applications. RF and microwave circuitry benefit from its excellent signal integrity and low loss characteristics. Power amplifiers and combiners take advantage of its thermal stability and efficient heat dissipation. Filters and couplers rely on TMM10 to ensure precise and reliable signal filtering. Satellite communication systems and Global Positioning Systems (GPS) antennas benefit from its durable and high-performance nature. Additionally, TMM10 PCB finds applications in patch antennas, dielectric polarizers, lenses, and chip testers, where its exceptional properties unlock new possibilities.

Conclusion :

The TMM10 high frequency PCB, with its unique combination of properties, empowers engineers and designers in the realm of high-frequency applications. Its exceptional features, such as a high Dk, low dissipation factor, thermal stability, and mechanical reliability, enable superior performance. The construction detailsand specifications of the TMM10 PCB ensure precision, durability, and ease of use during fabrication. With worldwide availability and adherence to IPC-Class-2 quality standards, you can trust in the reliability and consistency of TMM10 PCB for your projects. Explore the diverse applications, from RF and microwave circuitry to power amplifiers and satellite communication systems, where Rogers TMM10 PCB unlocks new possibilities. Embrace the power of high-performance microwave applications with TMM10 PCB and elevate your designs to new heights of excellence.

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