Shenzhen Hongmy Precision Circuit Co. Ltd
Shenzhen Hongmy Precision Circuit Co. Ltd
4-layer PCB with 3oz Copper Thickness, Used for Power Supplies
  • 4-layer PCB with 3oz Copper Thickness, Used for Power Supplies
4-layer PCB with 3oz Copper Thickness, Used for Power Supplies

4-layer PCB with 3oz Copper Thickness, Used for Power Supplies

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Basic Info
Basic Info
Payment Type: T/T, L/C, PayPal or Western Union
Product Description
Product Description
  • Material: FR-4
  • Layers: 4
  • Suitable for power supply
  • Finishing board thickness: 2.0mm
  • External copper thickness: 3oz
  • Internal copper thickness: 1oz
  • Copper plating hole: 18 to 40um
  • Trace width and line spacing: 0.20mm
  • CNC hole diameter: 0.20mm
  • Hole position tolerance: 0.075mm
    • PTH: 0.075mm
    • NPTH: 0.05mm
  • Outline tolerance:
    • CNC: 0.125mm
    • Punching: 0.15mm
  • Warp and twist: 0.70%
  • Solder mask bridge: 0.0635mm (minimum)
  • Outline: 0.25mm
  • Test voltage: 10 to 300V
  • Solder mask types: green, yellow, red, white, blue, matte green, matte black and more
  • Surface finishing: HASL, immersion gold, immersion silver, gold-plated, gold finger and OSP
  • PTH: 0.075mm
  • NPTH: 0.05mm
  • CNC: 0.125mm
  • Punching: 0.15mm
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