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ULN2003 IC replacement

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    ULN2003 IC replacement

    Hello, on a step motor driver board,
    I have found damaged ULN2003 manufactured by ST as package SOP 16 (narrow). Now I have possibility to order get delivered very fast the following mark: ULN2003AFWG,
    I'm not really sure if this is equivalent IC.
    On the original I can (hardly) read the following data: G001284, and on this replacement IC there is also this: 024826

    So, are these two ICs equivalent or not? First one is made by ST and second one by Toshiba. Based on the available manuals and schematics it should be 100% match.
    What I need to pay attention to?

    Thank you!
    Last edited by Askic; 07-26-2024, 06:16 AM.

    #2
    Any part with ULN2003 and the same physical footprint will work. The other markings are datecode, etc. and are no-care markings.

    You can also review the offering by Texas Instruments. Stick to one of these brand names as opposed to an offshore one from Asia.

    ULN200x, ULQ200x High-Voltage, High-Current Darlington Transistor Arrays datasheet (Rev. S) (ti.com)

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      #3
      make sure it wasnt blown by a stuck stepper motor

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        #4
        Thank you all for the replies. ULN2003 is replaced, everything works without problems.

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