High Temperature Pcb Laminate

Glass transition temperature tg.

High temperature pcb laminate. List of some common pcb laminates and their typical thermal conductivity values. Medium high tg pcb. Medium tg pcbs generally have a maximum temperature of above 150 c while high tg pcbs are rated above 170 c. If you are going to use your printed circuit boards in high temperature situations pcb laminates for high temperature are a requirement.

Glass transition temperature refers to the temperature at which polymers shift thermodynamically from rigid to soft. High temperature laminates should have the following protective properties. Why picking the right laminate is so important. The last three materials on the list are generally used in high frequency pcb applications.

During the pcb manufacturing stage peel strength is tested on one ounce thick copper traces under the following three conditions. We have a 99 plus customer satisfaction rate and are well known for our reliable fast service as shown by our customer testimonials. Ordinary pcb materials at high temperatures not only will be softened deformation melting and other phenomena but also the mechanical and electrical properties decline sharply. Picking the right high temperature pcb laminate materials can be crucial to your operation.

Beyond typical fr4 maximum temperature. For pcbs the tg corresponds to the temperature at which fiberglass becomes amorphous during lamination at high temperatures and under pressure of the different material layers. Advanced printed circuit board laminate materials. There have been circuit applications which were not high frequency but still used one of these laminates because of the improved thermal conductivity.

The bonding ability between dielectric and copper layers in a printed circuit board is known as peel strength. At pcbcart our high temperature pcb products can handle extreme pcb glass transition temperature rates and retain their integrity so you can use these high tg fr 4 boards with confidence. It is not the pcb maximum operating temperature but rather that which the pcba can endure for a short time before it deteriorates. After thermal stress at high temperatures and after chemical exposure.

Copper coated laminate fr4 treated by internal layer imaging is the. If an application demands pcb with higher tg value you ll need to opt for a medium or high tg pcbs. Our laminate and prepreg materials are used in a variety of advanced electronics including network and communications equipment and high end consumer electronics as well as advanced automotive aerospace military and medical applications.