WebDec 11, 2024 · FR4 lead-free KB-6168LE Tg value is 185℃, (5% weight loss) Td value is 359℃. Studies have shown that the Td value of conventional FR4 plates is above 300℃, while the Td value of leaded soldering fully meets the temperature of 240~270℃, so why is there a lead-free version? WebMar 24, 2024 · Standard FR4 has a Tg value of ~130 °C, but a substrate with a high-Tg resin can bring the Tg value up to ~170 °C. If your substrate and conductor CTE values were closely matched at low temperature, and your board will operate at high temperatures, then you should opt for a substrate with a higher Tg value.
Top PCB Manufacturing Service- МОКО технологија
WebAs usual, made with Tg ≥ 170℃ PCB material, which is called a high Tg printed circuit board. With the rapid development of the electronics industry, high Tg material is widely … WebNeedless to say, a normal PCB FR4-Tg is 130-140 degrees, the medium Tg is greater than 150-160 degrees, and high Tg is greater than 170 degrees. High FR4-Tg will have better mechanical and chemical resistance to heat and moisture than standard FR4. The higher the Tg value, the better the temperature resistance of the material, so high Tg is ... shanghai coking \u0026 chemical corporation
A Comprehensive Guide on High TG PCB 2024
WebFor example, if your PCB’s Tg value is 130°C, the device’s functional temperature must be less than 110°C. PCB Water Temperature copper traces. Copper traces generate heat due to power dissipation from I2R, where I is the current and R is the trace’s resistance. The heat is then dissipated through the base material by thermal ... WebMar 24, 2024 · This means the material experiences greater expansion with temperature changes when the temperature exceeds Tg. In glass-weave substrate materials, one … WebA High Tg PCB is a PCB assembling with a glass transition temperature higher than 170℃. The standard Tg values for regular PCBs are between 120℃ and 170℃. High Tg PCBs … shanghai code airport