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
FR4-6L-ENIG-Six-layer submerged gold circuit board
FR4-S1000H-Double panel-PCB power board, power module circuit board
FR4-1.6MM-2L-LF-HASL-Automotive power supply pcb circuit board
FR4-1.6MM-2L-ENIG-Circuit board of medium frequency physiotherapy instrument
FR4-1.2MM-2L-Irregular PCB circuit board, irregular shape circuit board
FR4-4L-ENIG-Injection molding machine motherboard PCB circuit board
FR4-2L-ENIG-Mobile phone charging head PCB
FR4-6L-pcb six-layer circuit board
FR4-2L-1.6MM-ENIG-Timer circuit board, timer switch PCB
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