The soldered PCB circuit board has different storage duration (usually 2-10
years), according to the selection of material, processing technique and the
1. The effect of material.
Different substrate materials and different quality components have great influence on the storage life of PCBA. The higher the quality of PCB boards and components, the better the reliability, the stronger the ability to resist bad environment and the antioxidant capacity, the longer the storage life.
2. The influence of the technique.
Different processing technique, such as soldered PCB boards with conformal coating, have longer storage life than those without conformal coating.
3. The impact of the environment.
If the soldered PCB is in a wet, dust, high temperature and high pressure environment for a long time. It mustn't be kept longer than in a dry and dust-free environment.
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