Smart Watch Nickle PCBA Circuit Board Immersion Silver For GPS Tracker

Smart Watch GPS Tracker Printed Circuit Board Electronic Control Board Lora Sensor

Files and Requirment for PCB,PCBA quotation:

• A BOM (Bill of Materials) with reference designators: component description, manufacturer’s name and part number.
• PCB Gerber files.
• A PCB fabrication drawing and PCBA assembly drawing.
• Test procedures.
• Any mechanical restrictions such as assembly height requirements

• PCB board manufacture and PCBA service:
  • o PCB board made, circuit board parts purchased by us
  • o Electronic testing circuit board or PCBA
  • o Fast delivery, anti-static package
  • o RoHS Directive-compliant, lead-free
  • o One stop service from PCB design, PCB layout, PCB manufacture, components purchasing, PCB assembly, test, packing and PCB delivery
  • o Eleectronic manufacturing service
• Detailed terms for PCB assembly:
  • o Technical requirement:
    • § Professional surface-mounting and through-hole soldering technology
    • § Various sizes like 1206, 0805, 0603 components SMT technology
    • § ICT (In Circuit Test), FCT (Functional Circuit Test) technology
    • § PCB assembly with UL, CE, FCC, RoHS approval
    • § Nitrogen gas reflow soldering technology for SMT
    • § High standard SMT and solder assembly line
    • § High density interconnected board placement technology capacity
  • o Quote requirement:
    • § Gerber file and Bom list
    • § Clear pics of pcba or pcba sample for us
    • § Test method for PCBA
  • o PCB specification:
    • § Layer: 1 to 12 layers
    • § Material: FR-4, CEM-1, CEM-3, Hight TG, FR4 halogen free, FR-1, FR-2,Aluminum etc.
    • § Max. finished thickness: 0.2 to 4.0mm (0.02 ~ 0.25″)
    • § Max. finished board side: 500 x 500mm (20 x 20”)
    • § Min. drilled hole size: 0.25mm (10mil)
    • § Min. line width: 0.10mm (4mil)
    • § Min. line spacing: 0.10mm (4mil)
    • § Surface finish/treatment: HALS/HALS lead free, chemical tin, chemical gold, immersion gold, plating gold
    • § Copper thickness: 0.5 to 3.0 oz
    • § Solder mask color: green/black/white/red/blue
    • § Inner packing: plastic bag
    • § Outer packing: standard carton packing
    • § Hole tolerance: PTH: ±0.076, NTPH: ±0.05
    • § Certificate: UL, ISO 9001, ISO 14001, RoHS,UL
    • § Profiling punching: routing, V-cut, beveling
    • § Providing OEM service to all sorts of printed circuit board assembly