Moisture resistance is a characteristic of a material that does not undergo a chemical reaction, does not change its properties, and does not deteriorate when exposed to moisture in the atmosphere, such as humidity.
The evaluation method for moisture resistance is to place the test object under high humidity conditions for a specified period of time, then evaluate its appearance and physical and mechanical characteristics, and compare its performance with the initial state.
In general, electronic components often fail under high humidity conditions due to corrosion of metal electrodes, etc. Sealing with resin with excellent moisture resistance or resin coating prevents component corrosion.
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