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
FR4-1.0MM-2L-LF-HASL-Intelligent Lock Circuit Board, Fingerprint Lock Module PCB
FR4-2L-ENIG-Mobile phone charging head PCB
FR4-1.0MM-2L-ENIG-Car Bluetooth Headset PCB
FR4-1.6MM-2L-Circuit board of electric coding machine, PCB of laser coding machine
FR4-16-ENIG-Car inverter circuit board, car inverter PCB
FR4-6L-pcb six-layer circuit board
FR4-2L-ENIG-Infrared forehead thermometer PCB
FR4-1.6MM-6L-Lightning protector PCB circuit board
FR4-2L-1.6MM-ENIG-Power board
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