China Wholesale Rf Pcb Pricelist - 10 Layer Medium TG Gold Finger PCB – Huihe
China Wholesale Rf Pcb Pricelist - 10 Layer Medium TG Gold Finger PCB – Huihe Detail:
The advantages of high Tg materials
The main advantage of high Tg materials is higher operating temperature( MOT ) , which can carry more current . According to experience , TG minusabout 20 C can be used as mot . At this temperature , the PCB can runnormally for a long time without damage.
The heat resistance temperature of the common solder mask is usually lowerthan the Tg of the substrate . The conventional maximum operatingtemperature of solder mask is about 150 C . For high Tg applications beyondthis temperature , it is recommended to select PCB without any solder mask orapply special high temperature resistant coating after assembly . If the standardconventional solder mask is used in high temperature environment , the solder
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