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    Need help identifying a part.

    Duet Hardware and wiring
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    • Ronaldandijk
      Ronaldandijk last edited by Ronaldandijk

      Hello,i had a problem and blew up L3 does anybody know the value?

      https://imgur.com/a/aChSCSe

      alt text

      JoergS5 T3P3Tony 2 Replies Last reply Reply Quote 0
      • JoergS5
        JoergS5 @Ronaldandijk last edited by JoergS5

        deleted, Tony's information is much better.

        1 Reply Last reply Reply Quote 0
        • T3P3Tony
          T3P3Tony administrators @Ronaldandijk last edited by T3P3Tony

          @Ronaldandijk how new is your Duet?

          On v1.04 L3 is A220R ferrite bead 0805 package
          MPZ2012S221AT000

          On earlier versions it's a 1210 1uH inductor
          BRL3225T1R0M

          www.duet3d.com

          Ronaldandijk ebaday 2 Replies Last reply Reply Quote 0
          • Ronaldandijk
            Ronaldandijk @T3P3Tony last edited by

            @t3p3tony Its version 1.2 ,Thanks for the help.Now i also know where to place a fuse.

            T3P3Tony 1 Reply Last reply Reply Quote 1
            • T3P3Tony
              T3P3Tony administrators @Ronaldandijk last edited by

              @ronaldandijk inf you have a 1.02 then its the same as 1.03. Are you overloading the 5V system or did you get a short? The 5V BUCK regulator has thermal shut down so if the current gets too high then it should shut down so its interesting that the ferrite bead on the output side blew before the thermal shut down kicked in.

              www.duet3d.com

              Ronaldandijk 1 Reply Last reply Reply Quote 0
              • Ronaldandijk
                Ronaldandijk @T3P3Tony last edited by

                @t3p3tony I was not paying attention to the polarity of the bltouch and i shorted out the ferrite bead.
                i know .......that was stupid.Hooked up the usb to check if else is working cpu is working i can still connect to the duet trough wifi .I Found the part but the amp value is 2.4 a but i think that should not be a problem .

                T3P3Tony 1 Reply Last reply Reply Quote 0
                • T3P3Tony
                  T3P3Tony administrators @Ronaldandijk last edited by

                  @ronaldandijk Ahh I see, thanks for the additional information - useful datapoint about shorts on the %V system.

                  www.duet3d.com

                  Ronaldandijk 1 Reply Last reply Reply Quote 0
                  • Ronaldandijk
                    Ronaldandijk @T3P3Tony last edited by

                    @t3p3tony 0_1534427091716_IMG_20180815_223318.jpg
                    And L3 is replaced with a BRL3225T1R0M from TAIYO YUDEN.

                    1 Reply Last reply Reply Quote 0
                    • ebaday
                      ebaday @T3P3Tony last edited by

                      @t3p3tony
                      Is it possible to put MPZ2012S221AT000 instead of BRL3225T1R0M on the board at 1.02? There is a suspicion that the inductance does not work, but the BRL3225T1R0M is not available in stores. Analogues in the same building could not find 😞

                      Thanks in advance!

                      1 Reply Last reply Reply Quote 1
                      • dc42
                        dc42 administrators last edited by

                        Yes, that should work.

                        Duet WiFi hardware designer and firmware engineer
                        Please do not ask me for Duet support via PM or email, use the forum
                        http://www.escher3d.com, https://miscsolutions.wordpress.com

                        ebaday 1 Reply Last reply Reply Quote 0
                        • ebaday
                          ebaday @dc42 last edited by

                          @dc42 Thanks!

                          1 Reply Last reply Reply Quote 0
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