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    BMP280 Body marking unmatched with datasheet

    Carlento
    New Poster

    BMP280 Body marking unmatched with datasheet

    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

    Re: BMP280 Body marking unmatched with datasheet

    Hello Carlento,

    Could we know where and when you bought BMP280?

    Carlento
    New Poster

    Re: BMP280 Body marking unmatched with datasheet

    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

    Re: BMP280 Body marking unmatched with datasheet

    Hello Carlento,

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

    sebp
    New Poster

    Re: BMP280 Body marking unmatched with datasheet

    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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