Hi TechnoTom,
If BME280 is produced in standard soldering processes, it will not be affected by flux, cleaning agents, etc., and does not require film or tape protection. Whether to use film or tape for protection depends on the user's production process. If your production process is not a standard soldering process, you can protect it by opening holes and applying film or tape on BME280. The BME280 itself does not come with a protective cover.
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