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Transistor from USB HUB

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    Transistor from USB HUB

    Hi all!
    Yesterday my usb hub started smoking after I pluged in a pad controller.... It has performed great for a couple of years.
    There is a burnt smd transistor, but the code is unreadable. It's a Sot-23 package. I read somewhere that smd transistors starting with "A" are MOSFET.

    Don't know if P or N.
    5v from usb goes straight to the single pin side, which might be Drain...
    Only data i have is package, usb operation voltage.
    No max current draw on the label.... it has 7 usb ports.

    Don't know about transistor specs. Any advise on a possible substitute?

    Thanks.
    Attached Files

    #2
    Re: Transistor from USB HUB

    A79T (AO3407) - P Ch.
    A19T (AO3401) - P Ch.

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      #3
      Re: Transistor from USB HUB

      Hi Iotas!
      Thanks so much for this.
      Will let know how everything went

      Best!

      Comment


        #4
        Re: Transistor from USB HUB

        Hi Iotas. So I replaced the transistor and everything working again.
        Thanks a lot for your help!

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