30 common SMT PCB assembly defects

Assembly Process | Manufacturing Processes

30 Common SMT PCB Assembly Defects: Causes, Impacts & IPC-Compliant Prevention

Byroot 2026-04-092026-05-29

This professional guide covers the top 30 SMT PCB assembly defects, their root causes, quality risks, and proven fixes to boost yield and reliability for industrial buyers and engineers. 1. Soldering & Solder Joint Defects Solder joints are the foundation of reliable SMT PCB assembly. Even minor flaws cause intermittent failures or early breakdowns. 1….