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Shenzhen Hejin Circuit Co.,Ltd is a leading cob pcb board exporter, and one of the leading China cob pcb board manufacturers, producers and suppliers. We export high quality products, and we are professional at cob pcb board assembly and oem.
COB,
Thermal conductivity: 1.5W/M-K
Board Thickness:1.0MM
Copper Thickness: 35UM
Base Material:Aluminum
Surface Finishing: Silver plated
Solder mask color: white
(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 |
|