FR4FR is for “Flame Retardant”. As a printed circuit board is made to work with electricity, it is supposed to resist heat. FR4 has a much better heat resistance than FR1/XPC thanks to a different com
FE4-2L-1.0MM-Charger head circuit board, fast charging head PCB
FR4-4L-Goldfinger-Four-layer buried hole circuit board
FR4-1.6MM-OSP antioxidant-Car Radio PCB
FR4-4L-OSP antioxidant-Industrial computer motherboard pcb
FR4-0.4MM-2L-LF-HASL-Ultra-long circuit board, long circuit board, ultra-thin PCB
FR4-1.6MM-ENIG-Smartphone circuit board, mobile phone motherboard PCB
FR4-1.0MM-2L-ENIG-Laser Hair Removal Device PCB
FR4-4L-Butter White-Four-layer butter circuit board
FR4-4L-1.6MM-Connector
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