Find high quality 4l pcb with competitive price here. Please rest assured to buy 4l pcb with Shenzhen Hejin Circuit Co.,Ltd

Shenzhen Hejin Circuit Co.,Ltd is a leading 4l pcb exporter, and one of the leading China 4l pcb manufacturers, producers and suppliers. We export high quality products, and we are professional at 4l pcb assembly and oem.

Layer Count:2L                            Board Thickness:1.6MM

Copper Thickness:35UM

Base Material:FR4 

Surface Finishing:Immersion gold

Solder Mask Color:Blue                   UL approved,RoHS compliant

(Hole Size)	(Drilling hole size)	0.6-6.0 mm
	(FG hole size)	0.6-6.0 mm
	(Hole tolerance)	±0.075 mm
	(Tolerance of hole position)	±0.1mm
	(Aspect ratio)	5:01
(Solder)	(Min solder bridge)	4 mil
(Dimension)	(Tolerance of outline dimension)	(Length): 1200mm
	(Max board size)	(Width): 300mm
(Impedance)	(Impedance tolerance)	±10%
(Heat conductivity)	(Low heat conductivity)	1.0-1.5W/m*k
	(Wid heat conductivity)	1.5-1.8W/m*k
	(High heat conductivity)	2.0-3.0W/m*k
(Peel strength)		=1.8 N/mm
(Surface resistance)		=1*105m
(Volume resistrivity)		=1*106m
(Breakdown voltage)		=2KV/mm
(The solder resistance)		(260?,10min,no delamination no blister)
(Dielectric constant)		= 4.4
(Dielectric power factor)		=0.03