| Specifications |
IPC Class 1 |
IPC Class 3 |
IPC Class 3 |
| Product Classification |
Limited Life Products |
Dedicated Service Products |
High-Performance/Harsh Environment Products |
| Application Examples |
Consumer Electronics, Toys, Remote Controls |
Industrial Equipment, Network Servers, Commercial Computing |
Aerospace, Medical Implants, Military Systems |
| Performance Requirements |
Basic functionality during limited lifespan |
Extended life operation with uninterrupted service |
Continuous high performance, Zero failure tolerance |
| Soldering Specifications |
| Minimum Solder Joint Side-Wall Coverage |
50% coverage minimum |
75% coverage minimum |
100% coverage minimum |
| Maximum Solder Joint Voids |
≤ 30% voiding allowed |
≤ 25% voiding allowed |
≤ 15% voiding allowed |
| Solder Joint Minimum Height (Through-Hole) |
Solder present |
75% barrel fill minimum |
100% barrel fill minimum |
| SMT Component Placement Tolerance |
±0.5mm |
±0.25mm |
±0.1mm |
| PCB & Component Requirements |
| PCB Layer Registration |
±0.2mm |
±0.1mm |
±0.05mm |
| Conductor Width Reduction |
20% reduction allowed |
15% reduction allowed |
10% reduction allowed |
| Component Marking |
Basic identification |
Clear identification & traceability |
Full traceability with date/lot codes |
| Inspection & Testing Requirements |
| Inspection Methods |
Visual inspection at 1.5X |
Visual inspection at 4X + AOI |
Visual at 10X + AOI + X-ray + SPI |
| Environmental Testing |
Basic temperature cycling |
Temperature/humidity cycling |
Full environmental stress screening |
| Cleanliness Requirements |
< 1.56 μg/cm² NaCl |
< 1.0 μg/cm² NaCl |
< 0.5 μg/cm² NaCl |
| Quality Control & Documentation |
| Quality System Requirements |
Basic QC system |
ISO 9001 certification |
AS9100/ISO 13485 certification |
| Process Control |
Basic process parameters |
SPC on critical parameters |
Advanced SPC with Cpk ≥ 1.33 |
| Documentation Requirements |
Basic build records |
Full build & test records |
Complete traceability documentation |
| Operator Certification |
Basic training |
IPC certification |
Advanced IPC certification + specialized training |
Email: all@poe-pcba.com
Whatsapp: 85292069596
Tel: 0755-25312250/ +8613798543496
Factory Address: Floor 3, Jinyuan Industrial Park, No. 56, Tangtou Avenue, Shiyan Town, Baoan District, Shenzhen China
