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Shenzhen Hejin Circuit Co.,Ltd is a leading multi-layer aluminium base board exporter, and one of the leading China multi-layer aluminium base board manufacturers, producers and suppliers. We export high quality products, and we are professional at multi-layer aluminium base board assembly and oem.
Communication,
Thermal conductivity: 2-12W/M-K
Board Thickness:3.0MM
Copper Thickness: 70UM
Base Material:Aluminum
Surface Finishing: Lead free HASL
Solder mask color: green
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(Hole Size)
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(Drilling hole size)
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0.6-6.0 mm
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(FG hole size)
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0.6-6.0 mm
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(Hole tolerance)
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±0.075 mm
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(Tolerance of hole position)
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±0.1mm
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(Aspect ratio)
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5:01
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(Solder)
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(Min solder bridge)
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4 mil
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(Dimension)
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(Tolerance of outline dimension)
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(Length): 1200mm
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(Max board size)
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(Width): 300mm
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(Impedance)
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(Impedance tolerance)
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±10%
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(Heat conductivity)
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(Low heat conductivity)
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1.0-1.5W/m*k
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(Wid heat conductivity)
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1.5-1.8W/m*k
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(High heat conductivity)
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2.0-3.0W/m*k
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(Peel strength) |
≥1.8 N/mm
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(Surface resistance) |
≥1*105m
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(Volume resistrivity) |
≥1*106m
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(Breakdown voltage) |
≥2KV/mm
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(The solder resistance) |
(260℃,10min,no delamination no blister)
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(Dielectric constant) |
≤ 4.4
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(Dielectric power factor) |
≤0.03
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