94V0 SMT DIP Assembly Power Bank Circuit Board Low Volume 3mil
SMT DIP Service Power Bank PCB Circuit Boards Assembly SMT EMS PCBA
Board Power Converter Supply Switch PCB Assembly
ABOUT Leadsintec
Leadsintec has been established in 2007, located in Shenzhen city,
mainland China, are a professional China PCB assembly factory,
providing services of PCB Assembly, electronic parts sourcing, PCB
fabrication, and functional test for customers all over the world.
We offer low-volume, Prototype, and Production PCB fabrication
services, for rigid or flexible, rigid-flexible, aluminum, RoHS
compliant, High Tg boards. All project comes with satisfaction
guarantee and on-time delivery.
Rigid PCB Manufacture Capabilities
| ITEM | TECHNICAL PARAMETER |
| LAYERS | 1-48 |
| Max.Board Size | 460mm×700mm |
| Board Thickness | 0.25-6.0mm 10mil-152.4mil |
| Min. Line Width | 0.075mm 3mil |
| Min Space | 0.075mm 3mil |
| Min Hole Size(Mechanical) | 0.2mm 8mil |
| Min Hole Size (Laser) | 0.10mm 4mil |
| PTH Wall Thickness | ＞0.025mm 1mil |
| PTH Hole Dia Tolerance | ±0.076mm 3mil |
| Non PTH Hole Dia Tolerance | ±0.05mm 2mil |
| Hole Position Deviation | ±0.05mm 2mil |
| Outline Tolerance | ±0.13mm 3mil |
| V-cut | 30°/45°/60° |
| Impedance Control | +/- 7% |
| Fire Resistance | 94V0 |
| Max copper weight(inner) | 6 oz |
| Peel-off Strength | 1.4N/mm |
| Soldermask Abrasion | >7H |
| Solderability Test | 260℃20 second |
| Flammability | 94v0 |
| E-test Voltage | 50-300v |
| Bow/Twist | ≤0.75% |
| Surface Finishing | HAL,Entek,Flash gold,Gold finger,OSP
Immersion gold,Immersion Tin,Immersion Silver,Lead free HAL |
| Base Laminate Type | FR4,Tg 130℃/Tg170℃,Aluminum base,Rogers,
(taconic,Arlon,Nelco,Isola…),Halogen free |
Flexible PCB Manufacture Capabilities
| FPC Capacity |
| Item | Routine | Special |
| Layers | 1－12 | 12 layers above |
| Board Size(Max) | ①500mm×500mm
②100000mm×500mm (R-T-R) | |
| Board Thickness | 0.060mm—2.5mm | 4mm(Flex-rigid Board) |
| CNC hole Size(Max) | 6.5mm | |
| CNC Hole Size(Min) | 0.2mm | 0.15mm |
| CNC Hole Diameter Tolerance | ±0.025mm | |
| CNC Drilling Slot Length and Width Ratio | 2∶1 | |
| Hole(inner) Copper Thickness | Min:10μm | Max:38μm |
| Min Line Width/ Line Space | 0.075/0.075 mm | 0.05/0.05mm |
| Etching Tolerance | ±20％( Min Tolerance±0.03mm) | |
| The Accuracy of Graphics to Graphics | ±3mil ( ±0.0762mm) | |
| The Accuracy of Graphics to Holes | ±2mil ( ±0.0508mm) | |
| Cover Film Tolerance | ±8mil (±0.20 mm) | ±4mil(±0.10 mm) |
| Thermal Curable Ink/UV Ink Location Tolerance | ±0.2mm | ±0.15mm |
| Green Oil Bridge( Min) | 0.1mm | 0.075mm |
| Min Electrical Test Pads | 8mil X 8mil | 6mil X 6mil |
| Outline Dimensions Min Tolerance(Edge-to-Line) | ±0.15mm | ±0.125mm |
| Finger Edge Spacing | ±0.15mm | ±0.125mm |
| Outline Dimensions Min Tolerance | ±0.1mm | ±0.05mm |
| Min R Angular Radius (Filleted Corner) | 0.2mm | |
Metal base PCB Manufacture Capabilities
| Item | Technical Parameter |
| Material | Aluminum base, copper base, Iron base |
| Surface finish | Chemical Gold, HASL, Immersion Tin, Chemical Silver, OSP |
| Layer | Single layer, 2 Layer, 4 Layer |
| MAX Size | 1185mm*480mm |
| Min Size | 5mm*5mm |
| Min line space&width | 0.1mm |
| Warpage | ≤0.5%(thickness:1.6mm, size:300mm*300mm |
| Board thickness | 0.3-5.0mm |
| Copper weight | 35um-240um |
| Outline tolerance | ±0.15mm |
| V-CUT tolerance | ±0.1mm |
| Manufacturing capacity | 7000m2/Month |
| Via positioning deviation | ±0.076mm |
Testing Procedures
We perform multiple quality assurance procedures to make sure the
PCBs board we are going to ship are 100% qualified.
These include:
• Visual Inspection
• Flying probe
• Bed of nails
• Impedance control
• Solder-ability detection
• Digital metallographic microscope
• AOI (Automated Optical Inspection)
The PCB products we manufactured are extensively used in various
fields including:
Communications: IP PBX, Smart Gateway, Conference servers, 4G
Routers
Industrial Control: Industrial Computer, Industrial Power Supply,
Industrial Automation Robot Controller, Elevator Controller, 3D
Printer, Industrial Laser Controller.
Medical Instruments: ECG Monitor, Colour Ultrasonic Diagnosis,
Pregnancy Monitor, Hospital Nursing Systems.
IOT/AI: Smart Water Valve, Smart Home, Smart Electric Meter, Smart
Buildings, Smart Oil Depot Management Systems.
Power Supply: Automobile Battery Charger, Industrial Power Supply,
Frequency Converter.
Security: Security Camera, Smart Door Lock, Access Control Systems,
Drive Recorder.
Automobile:OBD-II Systems, Vehicle Tracking Systems, Fleet
Management Systems, Vehicle Parking System
