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    BMP280 Body marking unmatched with datasheet

    BMP280 Body marking unmatched with datasheet

    Carlento
    New Poster

    We have BMP280 in hand , while find the last letter of body marking is "L", but info from datasheet shows it should be "S" or "M", also different substrate design were found , please help us to identify this issue. 

    Attached some info for reference, THAKNS A LOTBMP280 _ DIFFERENT SUBSTRATE DESIGN.pngBMP280 _ MARKING FORMAT.png

    6 REPLIES 6

    BSTRobin
    Community Moderator
    Community Moderator

    Hello Carlento,

    Could we know where and when you bought BMP280?

    Hi Robin, 

    Thanks for quick response first.

    Parts were bought from our local vendor, which is confidential info aganist our contract, therefore I can not provide as for now , 
    please advise if you still can help us , thanks. 

     

    Carl 

    BSTRobin
    Community Moderator
    Community Moderator

    Hello Carlento,

    From your sensor marking, you part is BMP285 that is not in production.

    Hi, I also noticed this.

    I bought some BMP280 sensors from

    https://www.reichelt.de/de/de/entwicklerboards-temperatur-und-drucksensor-bmp280-debo-bmp280-p266034...

    with markings "KU" and "KP". Are these valid sensors from Bosch? What does U and P mean? Should one combine U and P sensors in a sensor array?

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