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    #1

    Identifying component

    Hi all,

    I am trying to identify a small component black in colour with white band on one side with marking '3T' only. It looks like a SMD Tantalum and its size is approx 2mm x 1mm with two contact (one either end).

    It has a small bulge in the middle so looks like it has blown and I would like to replace it!

    Thanks for any help you can offer.
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    #2
    Re: Identifying component

    a picture would help.

    Comment

      #3
      Re: Identifying component

      I have attached a picture and arrowed the component in red.

      Thanks for your time.

      Comment

        #4
        Re: Identifying component

        Looks a bit small for a tantalum. Looks more like a diode to me, although I cannot find any references to the code.
        ________________________________________________

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        Bright antennae bristle with the energy
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          #5
          Re: Identifying component

          Possibly it's Schottkey of Fast Recovery type diode, because it located near DC-DC circuit (inductor, power transistor and switch-mode controller IC.)
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            #6
            Re: Identifying component

            Originally posted by POM_MJ
            Possibly it's Schottkey of Fast Recovery type diode, because it located near DC-DC circuit (inductor, power transistor and switch-mode controller IC.)
            makes sense.
            too bad i cant see the foils to see where it connects.

            Comment

              #7
              Re: Identifying component

              the anode is on the coil.

              Comment

                #8
                Re: Identifying component

                Thanks for everyones help so far on this.

                I managed to locate a visually identical component on a different laptop motherboard so used this to replace the one in the photo, but the fault is still there. I guess that this blown component must have been the result of another faulty component on the board

                I guess there is no saying that the component I used was fully working, but it didnt have the visual bulge like the one in the picture.

                Comment

                  #9
                  Re: Identifying component

                  Dear Readers
                  Can anyone advise how to read this Part Number: LER331V1VG21VR6HMAAA?
                  Who is the manufacturer? Appreciate your help, Thank You.

                  Comment

                    #10
                    Re: Identifying component

                    Originally posted by Bernie
                    Dear Readers
                    Can anyone advise how to read this Part Number: LER331V1VG21VR6HMAAA?
                    Who is the manufacturer? Appreciate your help, Thank You.
                    Can you give us some more info.

                    What does the part look like? What board is it on?

                    A picture would help even more.
                    ________________________________________________

                    Invisible airwaves crackle with life
                    Bright antennae bristle with the energy
                    ________________________________________________

                    Comment

                      #11
                      Re: Identifying component

                      its possible that it may be a fuse

                      Comment

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