Need help diode smd mark HS10 not fond

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  • Gentian
    Member
    • Mar 2023
    • 12
    • Albania
    #1

    Need help diode smd mark HS10 not fond

    I have found in an inverter circuit 2 smd diodes number D88 and D89 with code HS10 on them. I tried searching and the smallest diode in the internet was HS11 U-fast 50V 1A. Found only HS11 TO HS18 from 50V to 1000V and 1A but nothing about HS10.

    Can anyone help me?
    Attached Files
    Tags: None
    • Per Hansson
      Super Moderator
      • Jul 2005
      • 5895
      • Sweden
      #2
      Re: Need help diode smd mark HS10 not fond

      Maybe it says HS1Q?
      "The one who says it cannot be done should never interrupt the one who is doing it."

        Comment

        • lotas
          Badcaps Legend
          • Jan 2016
          • 4458
          • Russia
          #3
          Re: Need help diode smd mark HS10 not fond

          Maybe it's "HS1G".

            Comment

            • Gentian
              Member
              • Mar 2023
              • 12
              • Albania
              #4
              Re: Need help diode smd mark HS10 not fond

              I tried but it looks more a zero or Q and not a G. HS1Q can't find also but HS1G it is 2A 400V.

              I am attaching also a photo of the inverter pcb where Diodes D87 and D88 are placed ( 2 burnet diodes HS10 a think they are marked). One of them is connected to ground where 4 parallel 2 Ohms resistor of the damaged Mosfet smps part of the circuit is damaged and burned also these to diodes. The other leg of the diodes goes in the middle layer of the board to 3 power multistage igbt modules. It looks that these diodes are some feedback from the igbt modules (AC Side). Igbt modules are ok and tested. Also I repaired the smps because the reason was a smaller Moset replaced original mosfet by somebody before and circuit has no fuse in that part so the damage was so violent. If anyone has experience with this kind of circuits what doides should they be? I switched the circuit and looks ok but these 2 diodes are not replaced although it is for sure that are burned?
              Attached Files
              Last edited by Gentian; 07-09-2023, 12:43 PM.

                Comment

                • Per Hansson
                  Super Moderator
                  • Jul 2005
                  • 5895
                  • Sweden
                  #5
                  Re: Need help diode smd mark HS10 not fond

                  Originally posted by Gentian
                  I tried but it looks more a zero or Q and not a G. HS1Q can't find also
                  Literally second result on Google:
                  "The one who says it cannot be done should never interrupt the one who is doing it."

                    Comment

                    • Gentian
                      Member
                      • Mar 2023
                      • 12
                      • Albania
                      #6
                      Re: Need help diode smd mark HS10 not fond

                      Thank you very much. Definitely they should have these ratings because DC bus capacitors are rated 1200V DC.

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