This excess moisture can cause humidity damage to your electronic device. In an electronic device, one potential problem in a humid environment is the condensation of water droplets on electronics, particularly exposed conductors in PCBs, on component packages, or on PCB layer stack materials. Unless you are in the desert, almost any area on the planet will be humid, and water can condense on cool surfaces. When the environment has higher humidity levels, more water can condense on cool surfaces causing humidity damage. Humidity refers to the amount of water vapor in the air and is quantified in terms of relative humidity. If you want to know how to protect electronics from humidity, you can jump to one of the following sections to see our design tips. So to make sure your design does not experience failures from moisture exposure, a combination of design choices, proper storage, and handling on the factory floor are needed. Whether or not a PCB has moisture-sensitive components, the PCB itself and any exposed conductors can be impacted by excess humidity and moisture in the operating environment, storage environment, or factory floor.
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