SNAU250 November   2020 HDC2010 , HDC2021 , HDC2022 , HDC2080

 

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1.2.2 HDC2021 with Assembly Protection Tape

The HDC2021 is pin-to-pin compatible with the HDC2080 and HDC2022. Unlike the HDC2080, the sensor opening on the HDC2021 is centered at the top of the package, and protected by a factory-installed polyimide cover tape (see Figure 1-3). The tape protects the humidity sensor element from pollutants that can be produced as part of the manufacturing process, such as SMT assembly, PCB board wash, and conformal coating. The tape must be removed after the final stages of assembly for accurate measurement of relative humidity in the ambient environment. For more device information, please see the HDC2021 data sheet.

GUID-20200923-CA0I-F4JN-DS0P-XKX2B6LCTM5G-low.svg Figure 1-3 HDC2021 with removable polyimide assembly tape