The Rogers RO4835T is a high-performance laminate material that is widely used in the electronics industry. This laminate material is known for its excellent electrical properties, including a low dielectric constant and loss, making it ideal for high-frequency applications. It is composed of woven glass fabric impregnated with a thermoset resin system, which provides excellent dimensional stability and durability.

One of the key advantages of the Rogers RO4835T is its ability to maintain its electrical performance over a wide range of temperatures and frequencies. This makes it an ideal choice for applications that require stable performance in harsh environments. In addition, the material is easy to process and can be machined to tight tolerances, making it an attractive option for manufacturers looking to produce complex electronic components.

Overall, the Rogers RO4835T is a reliable and versatile laminate material that offers excellent electrical performance and durability. Its unique properties make it a popular choice for a wide range of applications in the electronics industry, from high-frequency circuit boards to microwave components.

Rogers RO4835T Basic Overview

The Rogers RO4835T is a high-performance circuit material that offers low dielectric loss and high thermal reliability. It is a PTFE-based material with a ceramic filler that provides excellent electrical and mechanical properties for high-frequency applications.

This circuit material has a dielectric constant of 3.48 and a dissipation factor of 0.0027 at 10 GHz. It has a low loss tangent, which makes it ideal for applications that require low insertion loss and high-frequency performance.

The Rogers RO4835T has a low coefficient of thermal expansion, which makes it an excellent choice for applications that require high thermal reliability. It also has a high glass transition temperature, which allows it to maintain its electrical and mechanical properties at high temperatures.

This circuit material is available in various thicknesses, ranging from 0.005″ to 0.125″. It is compatible with standard epoxy/glass, polyimide, and PTFE/glass laminates, which makes it easy to integrate into existing designs.

In summary, the Rogers RO4835T is a high-performance circuit material that offers low dielectric loss, high thermal reliability, and excellent electrical and mechanical properties for high-frequency applications.

Key Features of Rogers RO4835T

Material Properties

Rogers RO4835T is a high-frequency laminate material that is made up of a ceramic-filled PTFE (polytetrafluoroethylene) substrate. This material has a low dielectric constant of 3.48 and a low loss tangent of 0.0037 at 10 GHz. These properties make it an excellent choice for high-frequency applications where low loss and stable electrical performance are critical.

Temperature Stability

Rogers RO4835T has a high glass transition temperature (Tg) of 215°C, which makes it suitable for use in high-temperature environments. This material also has a low coefficient of thermal expansion (CTE) of 17 ppm/°C, which helps to reduce the risk of delamination or cracking when exposed to thermal cycling.

Electrical Performance

Rogers RO4835T has excellent electrical performance characteristics, including a low dielectric constant and a low loss tangent. This material also has a high thermal conductivity of 0.69 W/mK, which helps to dissipate heat generated by high-power applications.

In summary, Rogers RO4835T is a high-frequency laminate material that offers excellent electrical performance, temperature stability, and material properties. This material is an ideal choice for high-frequency applications where low loss and stable electrical performance are critical.

Applications of Rogers RO4835T

Telecommunications

Rogers RO4835T is widely used in the telecommunications industry for high-frequency applications due to its excellent electrical performance and low loss tangent. It is an ideal material for high-frequency circuit boards, antennas, and filters. RO4835T has a dielectric constant of 3.48 and a loss tangent of 0.0037 at 10 GHz, making it suitable for use in high-speed digital and analog circuits.

Aerospace

RO4835T is also a popular choice in the aerospace industry due to its ability to withstand extreme temperatures and harsh environments. It is used in radar systems, satellite communication systems, and other high-frequency applications. RO4835T has a glass transition temperature of 180°C and can operate in temperatures ranging from -55°C to 180°C.

Automotive Electronics

RO4835T is gaining popularity in the automotive electronics industry due to its high thermal stability and low moisture absorption. It is used in high-frequency applications such as radar sensors, collision avoidance systems, and infotainment systems. RO4835T has a thermal conductivity of 0.69 W/mK, making it an ideal material for heat dissipation.

In conclusion, Rogers RO4835T is a versatile material with a wide range of applications in the telecommunications, aerospace, and automotive electronics industries. Its excellent electrical performance, high thermal stability, and low moisture absorption make it an ideal choice for high-frequency applications in harsh environments.

Benefits of Using Rogers RO4835T

Reliability

When it comes to high-frequency circuit board materials, reliability is key. Rogers RO4835T is a reliable material that has been designed to meet the demands of high-frequency applications. This material has a low dielectric loss and a low insertion loss, which means that it can provide consistent performance over a wide range of frequencies. This makes it an ideal choice for applications such as automotive radar, 5G communication systems, and satellite communication systems.

Cost Efficiency

Using Rogers RO4835T can be cost-efficient in the long run. This material has a low loss tangent and a high thermal conductivity, which means that it can dissipate heat efficiently and reduce the need for additional cooling systems. This can lead to cost savings in terms of equipment and energy usage. Additionally, Rogers RO4835T has a high glass transition temperature, which means that it can withstand high temperatures without losing its properties. This can lead to longer product lifetimes and fewer replacements, which can also lead to cost savings.

Design Flexibility

Rogers RO4835T offers design flexibility that can be beneficial for high-frequency applications. This material can be manufactured in a variety of thicknesses, which allows for a range of impedance values. It can also be laminated with other materials to create a customized PCB stackup. This flexibility can help designers optimize their designs for specific applications and achieve the desired performance.

In summary, Rogers RO4835T is a reliable, cost-efficient, and flexible material that can provide consistent performance over a wide range of frequencies. Its low loss tangent, high thermal conductivity, and high glass transition temperature make it an ideal choice for high-frequency applications that require reliable and efficient performance.

Comparative Analysis

When compared to other materials, Rogers RO4835T stands out in terms of its performance and durability. Here is a brief comparison of Rogers RO4835T with other materials:

Rogers RO4835T vs. FR-4

FR-4 is a widely used material in the electronics industry. While it is relatively inexpensive, it has limitations in terms of performance. Rogers RO4835T, on the other hand, is a high-performance material that offers better electrical performance and thermal stability. RO4835T also has a lower dielectric loss and better signal integrity than FR-4.

Rogers RO4835T vs. PTFE

PTFE is another popular material used in the electronics industry. It has excellent electrical properties, but it is expensive and difficult to process. Rogers RO4835T offers similar electrical properties to PTFE, but at a lower cost. Additionally, RO4835T is easier to process and has better mechanical properties than PTFE.

Rogers RO4835T vs. Ceramic

Ceramic materials are known for their high thermal conductivity and excellent mechanical properties. However, they are brittle and difficult to process. Rogers RO4835T offers similar thermal conductivity and mechanical properties to ceramics, but with better processability and lower cost.

In summary, Rogers RO4835T outperforms other materials in terms of electrical performance, thermal stability, and cost-effectiveness. It is a reliable and durable material that is suitable for a wide range of applications in the electronics industry.

Conclusion

In conclusion, the Rogers RO4835T is a high-quality laminate material that offers excellent electrical properties and thermal stability. This material is ideal for high-frequency applications, including antennas, radar systems, and microwave circuits. It is also suitable for use in automotive radar and 5G applications.

The Rogers RO4835T has a low dielectric constant and loss, making it an excellent choice for high-frequency circuit designs. It also has a low coefficient of thermal expansion, which makes it highly stable at high temperatures. This material is easy to process and can be used in a variety of applications.

Overall, the Rogers RO4835T is a reliable and versatile material that provides excellent performance in high-frequency applications. Its unique properties make it an ideal choice for designers looking to create high-frequency circuits that require low loss and high stability. With its exceptional performance and reliability, the Rogers RO4835T is a top choice for engineers and designers looking to create high-performance circuits.