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Volvo HU850 Radio/CD-player repair, LDO-voltage regulator IC

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    Volvo HU850 Radio/CD-player repair, LDO-voltage regulator IC

    Hello

    Im trying to repair the Volvo HU850 radio/CD-player from a Volvo V70.
    I have ordered replacements for the four transistors (SD1760), but Im not sure about a replacement for the low dropout voltage regulator IC (marked by the red circle in the attached picture).
    On the body of the IC it says: “LF33AH GK133544”.

    Does anyone know where to find this part or a replacement for it?

    Cheers
    Last edited by slothen92; 04-09-2025, 08:31 AM. Reason: Added information

    #2
    Mouser has like 20k of these in stock.
    Mouser Part #
    511-LF33ABDT-TR

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      #3
      http://www.farnell.com/datasheets/2815821.pdf

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        #4
        Thanks for the answer to both of you!
        I have found this part and datasheet before posting here, but I can't find the exact identical 3.3V component labelled "LF33AH" in the datasheet under ordering information.
        Is the last "H" not that relevant to the functionality?

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          #5
          What's relevant is LH33A. The H is in a different line.

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            #6
            Originally posted by CapLeaker View Post
            What's relevant is LH33A. The H is in a different line.
            That broadens the scope indeed. Thank you very much for your answer.

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