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Corsair RM750x help ID blown components

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    Corsair RM750x help ID blown components

    Please help ID the Green varistor. I already have the diode part number found on the broken piece (QH08TZ600).
    Attached Files

    #2
    Re: Corsair RM750x help ID blown components

    What is your incoming voltage to the switching power supply
    9 PC LCD Monitor
    6 LCD Flat Screen TV
    30 Desk Top Switching Power Supply
    10 Battery Charger Switching Power Supply for Power Tool
    6 18v Lithium Battery Power Boards for Tool Battery Packs
    1 XBox 360 Switching Power Supply and M Board
    25 Servo Drives 220/460 3 Phase
    6 De-soldering Station Switching Power Supply 1 Power Supply
    1 Dell Mother Board
    15 Computer Power Supply
    1 HP Printer Supply & Control Board * lighting finished it *


    These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

    1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
    2 Hem Saw Computer Stack Board

    All of these had CAPs POOF
    All of the mosfet that are taken out by bad caps

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      #3
      Re: Corsair RM750x help ID blown components

      Originally posted by m3g4tr0n View Post
      Please help ID the Green varistor.
      It's not a varistor, it's an NTC thermistor.

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        #4
        Re: Corsair RM750x help ID blown components

        It may be a SCK054 ntc. Measure the original's diameter.

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          #5
          Re: Corsair RM750x help ID blown components

          Originally posted by sam_sam_sam View Post
          what is your incoming voltage to the switching power supply
          230v

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            #6
            Re: Corsair RM750x help ID blown components

            Originally posted by lotas View Post
            It's not a varistor, it's an NTC thermistor.
            thanks for the correction.

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              #7
              Re: Corsair RM750x help ID blown components

              Originally posted by R_J View Post
              It may be a SCK054 ntc. Measure the original's diameter.
              checking this review of the RM750x (2021), mine is (2018) they show NTC Thermistor SCK-037, which seems to be the same diameter (15mm) as the one on mine.

              https://www.tomshardware.com/reviews...-supply-review

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