There is no question that TU-865 PCB material has versatile applications. It serves as a highly functional laminate material utilized across diverse fields and industries. However, it’s important to recognize that each laminate material functions uniquely in different areas, so not all laminates perform identically.
In this article, we’ll discuss what really characterizes the TU-865 PCB material. The relevant information is available for pcb design engineers to refer to in the selection of materials, And QFPCB offers the best services when it comes to the Materials, so you can also call QFPCB to discuss.

What is the TU-865 PCB Material?
The Tg of 200°C TU-865 PCB material is made of epoxy resin and E-glass fabric. TU-865 achieves flammability class of UL 94V-0 by incorporating phosphorous and nitrogen compounds. It’s a halogen free material and design to have both features for harsh environment, That high reliability application and superior electrical performance at the same time. The material is compatible with the AOl process and exhibit the UV-block characteristic. It is prepreg designed for use with TU-865 laminate for making multilayer printed wire boards. TU-865 is also available for single/double sided application.
This series of green materials eliminate the use of halogenated resins with excellent performance due to the potential hazardous effects from the environmental concerns. These products are suitable for boards that need to survive severe thermal cycling, or to experience excessive assembly work. TU-865 laminates also exhibit superior chemical resistance, dimensional stability and moisture resistivity for lead free soldering assembly and CAF resistance.
The features of TU-865 PCB Material

High Tg characteristics
The high Tg of 200 °C (DSC) PCB material which is known for its elevated glass transition temperature. so that it possesses enhanced mechanical properties at elevated temperatures compared to standard polymers.
Mid-loss performance category material
The PCB material is classified as a mid-loss performance category material, which indicates that it possesses specific electrical and thermal properties suitable for various applications in the electronics industry. This type of material is designed to provide a balanced performance profile, making it ideal for use in printed circuit boards where moderate loss characteristics are required.
Low coefficient of thermal expansion
It suitable for use in environments where other materials might fail due to softening or deformation. Overall, understanding the high Tg characteristics of TU-865 allows engineers and designers to make informed decisions regarding material selection for specific applications requiring durability and thermal resilience.
Halogen, antimony, and red phosphorous free
The PCB material does not contain halogens, antimony, or red phosphorus. Halogens are a group of elements in Group 17 of the periodic table, which includes fluorine, chlorine, bromine, iodine, and astatine. These elements are often used in various chemical applications but can pose environmental and health risks when released into the environment.
Excellent moisture resistance
The PCB material is known for its excellent moisture resistance, which makes it an ideal choice for various applications in environments where humidity and moisture exposure are prevalent. This characteristic ensures that the integrity of the printed circuit boards is maintained over time, reducing the risk of corrosion and other forms of degradation that can occur when materials are exposed to damp conditions.
Lead free processing compatible
Materials meet lead-free assembly requirements and meet RoHS standards. The TU-865 PCB material works fine with lead-free laminate materials. This makes them much safer when using them. This also means that you will make use of the TU-865 PCB material without having to worry about environmental pollution or hazardous substances.
Anti-CAF capability
This is another great property of TU-865 PCB material, this PCB laminate is CAF resistant. Conductive anodic filament (CAF) causes failures in PCB’s, and TU-865 PCB material is resistant to CAF and prevents failure in circuit board. The risk of CAF occurs when a metallic filament is formed from an electrochemical migration process.
Environmental friendly materials
Often referred to as sustainable or eco-friendly materials, are substances that have a reduced impact on the environment throughout their lifecycle. TU-865 PCB materials are designed to minimize harm during production, usage, and disposal phases. They can be derived from renewable resources or recycled content, which helps in conserving natural resources and reducing waste.
The applications of TU-865 Laminate System
Earlier, we mentioned that this PCB material is applicable in diverse fields and industries. So, we shall discuss some of the areas where one can apply TU-865 PCB Material.
Automotives
The PCB Material is useful in the automotive and transportation filed. These include areas like transmission sensors, digital displays, ECU and ECL control modules, GPS systems, transmission sensors, power relays, vehicle sensors and more.
Servers
TU-865 PCB material works for storage facilities. This laminate material is applicable in services like routers and switch operation. This laminate has complete curing. For routers, this laminate material has to transmit signals with no glitch. That is why with this laminate, receivers can easily get data processed and recorded.
Base station
The TU-865 PCB material can be utilized in base station applications, which are critical components of telecommunications infrastructure. Base stations serve as the interface between mobile devices and the network, facilitating communication by transmitting and receiving signals. The reliability and performance of these stations are paramount, as they directly impact connectivity for users.
Communications
This prepreg system works for communication services and networking. With this laminate, it becomes so effortless to transmit signals for high performance applications. It helps any wireless application connection and communication.
Harsh environments
The TU-865 PCB material can be utilized in harsh environments, making it an ideal choice for various applications that require durability and reliability. This material is specifically engineered to withstand extreme temperatures, moisture, and chemical exposure, which are common challenges in industries such as aerospace, automotive, and industrial manufacturing.
What is the benefits of choosing TU-865 PCB Material ?
There are many advantages with choosing this type of prepreg system. Also, engineers and designers use it simply because of the versatile performance it brings. Therefore, let us briefly discuss the importance of TU-865 PCB material.
Durability
TU-865 PCB material is a robust prepreg system that utilizes lead-free material for soldering. Its durability enables it to withstand adverse weather conditions and operate effectively in harsh or toxic environments. However, it is advisable to consider temperature variations relative to atmospheric pressure.
Rapid Processing System
There are numerous benefits associated with the selection of this particular prepreg system. Furthermore, it is widely utilized by engineers and designers due to its versatile performance capabilities. Therefore, let us briefly explore the significance of TU-865 laminate.
Versatile Application
One advantage of using this brand of laminate is in the area of functionality. This prepreg is applicable in fields some other laminates may not work. TU-865 PCB Material works on diverse applications in Automotives, services, and base station.
The TU-865 PCB material is suitable for various applications, offering versatile performance and faster processing due to its rapid processing system. Additionally, this laminate material is available with both thinner and heavier copper options, and it exhibits excellent heat resistance.