Engineering tip: Use FR-4 High TG PCBs for prototyping
The TG of a Printed Circuit Board is the temperature where the polymer transitions from a hard grassy material to a soft, rubbery material. With most applications a PCB with a normal TG (glass transition) temperature of 145°C – 150°C will suffice. However, especially with power applications or PCBs with a high density, a PCB with a higher TG should be used. myProto advises to choose a PCB with a higher TG in prototypes.
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