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TL331: Body marking

Expert 1855 points

Replies: 1

Views: 116

Part Number: TL331

Dear Sir/Madam,

May I know what is the differences between these 2 body marking?

  • Hello Kum,

    For small packages, where there is not a lot of room, both alphanumeric and binary "dash" codes are used.

    "T1IS" which is one of the designations for the TL331IDBV.

    The dashes above and below the text are a BCD binary code denoting the data and lot codes. The top row is the last digit of the year, and the bottom row is the month.

    Both have a top code of "1000", or "8", or year 2018

    The left has a code of "0001" (1, or January) and the right is "1010" (10, or October).

    So the left is January 2018, and the right is October of 2018.

    Regards,

    Paul Grohe

    TI Comparators (CMPS) Applications Group

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