In today’s tech world, as electronic gadgets get more advanced, there’s a growing demand for high-Tg boards. Tg is a vital property of a material called epoxy, which tells us when it changes from being solid and rigid to more rubbery as the temperature rises. Different circuit boards have different Tg values depending on what they’re made of.

Table of Contents

Why TG Matters

Why does this matter? Well, if a circuit board gets too hot during use and exceeds its Tg value, it can cause problems during manufacturing. So, it’s really important to pick the right circuit board for the job. Ideally, the Tg value of the chosen board should be at least 20-25 degrees Celsius higher than the highest expected temperature of the device. For example, if a board has a Tg value of 130 degrees Celsius, the device it’s used in shouldn’t go above 110 degrees Celsius.

Understanding High TG

But what exactly is a “high Tg” board? High Tg stands for “glass transition temperature,” which is the temperature where the material changes from solid to rubbery. When we say “high Tg,” it means the material can handle higher temperatures without losing its strength or structure. High Tg materials are great because they last longer without breaking down, they can handle heat better, and they don’t change size much when they get hot.

Advantages of High TG PCBs

So, why bother with high Tg circuit boards? Well, increasing the Tg of a circuit board makes it more stable. This means it can handle high temperatures, chemicals, and moisture better, making the device it’s in more reliable. High Tg boards are especially useful for devices that generate a lot of heat, like powerful computers or communication equipment. They help manage heat better, which can make the device last longer.

Applications of High TG Materials

High Tg boards are also great for compact devices with lots of circuitry packed in. In these cases, it’s hard for heat to escape, so the board needs to be able to handle the heat without getting damaged. That’s where high Tg boards shine—they keep everything working properly even in tight spaces.

Where do we find high Tg materials being used? Well, they’re everywhere in our tech world. Computers, communication equipment, and precision instruments all use high Tg boards because they need to be reliable even in tough conditions. High Tg boards are better than regular ones because they’re stronger, more stable, and can handle heat and moisture without falling apart.

Industrial Use of High TG PCBs

Industries like engine control systems and metal processing also rely on high Tg boards. These machines deal with high temperatures and need electronics that can handle it without failing. Other uses include WiFi boosters, embedded computers, and RFID gateways, all of which benefit from the stability and heat resistance of high Tg boards.

Materials Used in High TG PCBs

So, what materials are used to make high Tg boards? Some common ones include Isola 370HR, Ventec VT47, Panasonic R1755V/R1650V, IT180, and Kingboard KB6167. These materials are chosen for their ability to handle high temperatures and provide stability in demanding situations.

In conclusion, when it comes to choosing circuit boards, the Tg value is crucial. Going over this temperature limit can cause serious problems, so it’s essential to pick the right board for the job. By choosing high Tg boards, manufacturers can ensure their devices work reliably even in challenging conditions, ultimately providing better performance and longevity.

5 High TG PCB Facts