Identify component Fractal Design fd-psu-in2b-750w

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  • smile
    ICC ProfileGuru
    • Feb 2013
    • 120
    • Lithuania

    #1

    Identify component Fractal Design fd-psu-in2b-750w

    Hello, I have a Fractal Design fd-psu-in2b-750w PSU.
    There is burned resistor. Unknown value.

    Can you identify it?
    CHIP IS TNY280
    Attached Files
  • CapLeaker
    Leaking Member
    • Dec 2014
    • 8126
    • Canada

    #2
    Re: Identify component Fractal Design fd-psu-in2b-750w

    Looks like 2R00 to me. It can’t be a large value resistor with that large diode in front of it.

    Comment

    • smile
      ICC ProfileGuru
      • Feb 2013
      • 120
      • Lithuania

      #3
      Re: Identify component Fractal Design fd-psu-in2b-750w

      Originally posted by CapLeaker
      Looks like 2R00 to me. It can't be a large value resistor with that large diode in front of it.
      I tried 2Ohm resistor and PSU started, and all voltages are OK.

      Comment

      • CapLeaker
        Leaking Member
        • Dec 2014
        • 8126
        • Canada

        #4
        Re: Identify component Fractal Design fd-psu-in2b-750w

        Easy fix!

        Comment

        • smile
          ICC ProfileGuru
          • Feb 2013
          • 120
          • Lithuania

          #5
          Re: Identify component Fractal Design fd-psu-in2b-750w

          Originally posted by CapLeaker
          Easy fix!
          Sure, but why datasheet specifies 1K? 1K burns in flames like on other PSU with same chip.

          Comment

          • CapLeaker
            Leaking Member
            • Dec 2014
            • 8126
            • Canada

            #6
            Re: Identify component Fractal Design fd-psu-in2b-750w

            I think they limit the current and at the same time it acts as a fuse.

            Comment

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