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Shenzhen Hejin Circuit Co.,Ltd is a leading led steel base pcb exporter, and one of the leading China led steel base pcb manufacturers, producers and suppliers. We export high quality products, and we are professional at led steel base pcb assembly and oem.
Power supply ,
Thermal conductivity: W/M-K
Board Thickness:1.5MM
Copper Thickness: 70UM
Base Material:Iron base
Surface Finishing: Lead free HASL
Solder mask color: Green
(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 |
|