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This 4-layer printed circuit board is specifically designed for smart building equipment, featuring ENIG surface finish to provide high-reliability control application solutions for smart access control systems.
Key Specifications
Specification
Value
Layer Count
4L
Material
FR4
Board Thickness
1.6 mm
Copper Thickness
1/1/1/1 oz
Minimum Hole Size
0.2 mm
Minimum Line Width
0.15 mm
Minimum Line Spacing
0.2 mm
Solder Mask Color
Black
Surface Finish
ENIG (Electroless Nickel Immersion Gold)
Application Field
Power Supply Level
Product Features
4-Layer Precision Design for optimal performance
Heavy copper construction for enhanced current carrying capacity
Comprehensive Quality Control with rigorous AOI inspection and electrical testing
Industrial Reliability engineered for harsh industrial environments
PCB Solutions for Security Applications
We provide one-stop PCB solutions tailored for security and surveillance scenarios, integrating material grading, precision manufacturing, full-process inspection, and environmental adaptation to meet 24/7 stable operation requirements.
Advantages of Custom PCB Solutions
Fully Customizable: Supports customization of dimensions, thickness, layer count, and various functional requirements to flexibly meet diverse application needs
High-Performance Materials: Utilizes FR-4 and medium-to-high TG materials, offering excellent heat resistance, moisture resistance, and long-term stability
Superior Reliability: Features high dielectric strength, robust voltage withstand capability, and strong anti-interference performance, ensuring stable operation even in harsh environments
Professional Surface Finishes: Provides options such as ENIG, lead-free HASL, and OSP to ensure excellent solderability and long-term reliability
Technical Specifications
Item
Mass Production Capability
Extreme Capability
Board Thickness Range
0.3~6.0mm
0.3~6.0mm
Exposure Alignment Accuracy
±0.015mm
±0.005mm
Minimum Annular Ring
Single side ≥0.05mm
Single side ≥0.05mm
Min Line Width/Space (1/3oz base copper)
0.05mm / 0.05mm
0.045mm / 0.045mm
Min Line Width/Space (1/2oz base copper)
0.05mm / 0.05mm
0.05mm / 0.05mm
Min Line Width/Space (1oz base copper)
0.075mm / 0.075mm
0.075mm / 0.075mm
Etching Tolerance (1/3oz base copper)
±0.005mm
±0.005mm
Etching Tolerance (1/2oz base copper)
±0.005mm
±0.005mm
Etching Tolerance (1oz base copper)
±0.0075mm
±0.0075mm
Gold Finger Total Pitch Tolerance
<30mm: ±0.05mm
30~60mm: ±0.075mm
<30mm: ±0.03mm
30~60mm: ±0.05mm
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2009
Total Annual:
600 million-1000 million
Employee Number:
500~800
Ecer Certification:
Verified Supplier
Shenzhen Xunsiwei Circuits Co., Ltd. is a professional manufacturer dedicated to the production of high-precision printed circuit boards. Our core product portfolio encompasses single-sided, double-sided, and multilayer PCBs, as well as advanced solutions such as blind/buried via and HDI boards. T...
Shenzhen Xunsiwei Circuits Co., Ltd. is a professional manufacturer dedicated to the production of high-precision printed circuit boards. Our core product portfolio encompasses single-sided, double-sided, and multilayer PCBs, as well as advanced solutions such as blind/buried via and HDI boards. T...