
Blog
Technical articles on PCB design, manufacturing, and industry best practices. Written by our engineering team.
Complete guide to intrinsically safe PCB design for ATEX Zone 0/1/2, IECEx, and NFPA 70 hazardous locations. Covers isolation barriers, creepage distances, enca
Complete guide to PCB shipping Incoterms from China: FOB vs EXW vs DDP explained with real landed cost examples. Freight forwarder selection, customs clearance,
Compare Automated Optical Inspection (AOI), X-Ray, and Solder Paste Inspection (SPI) for PCB assembly quality control. Coverage rates, defect types caught, cost
Complete buyer's guide to PCB incoming quality inspection. Visual checkpoints, IPC-A-600 Class 2/3 acceptance criteria, 11 common defects with photos, and how t
Complete guide to PCB import duties, tariffs, HTS codes, and landed cost calculation for US and EU buyers importing PCBs and PCBA from China in 2026. Includes d
IC programming in PCB assembly explained: in-circuit vs offline programming, supported device families, data security, test coverage, and how to specify program
PCB requirements for hydrogen fuel cell power electronics — high-current DC-DC converters, cell voltage monitoring, and stack control systems for PEM electrolyz
Halogen-free PCB compliance is now a procurement requirement for EU, Japanese, and major OEM supply chains. Complete guide to IEC 61249-2-21, chlorine/bromine l
Drilled hole size, position accuracy and annular ring requirements explained: IPC-6012 tolerance classes, press-fit implications and how to verify hole quality.