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Corsair GS600 TTC-103 thermistor alternative?

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    Corsair GS600 TTC-103 thermistor alternative?

    I have a Corsair GS600 PSU that switches on and produces all the right voltages. However, when the psu starts the fans spins, but then never spins again until the PSU shuts itself down - overheating.
    The fan is designed not to operate the fan below 40 degrees C, but I have traced and open circuit TTC-103 thermistor and am looking for an alternative/replacement and cannot find a reliable source in the UK and I don't have the skills to confidently specify an alternative myself.
    Any thoughts?
    Last edited by SMDFlea; 09-03-2021, 10:49 AM. Reason: Corsair GS600

    #2
    Re: Corsair GS600 TTC-103 thermistor alternative?

    Here is the data sheet for this part number

    http://j5d2v7d7.stackpathcdn.com/wp-...emperature.gif

    Try this if you have a 5k ohm pot and see if you can get the fan to turn ON ( start 4 k ohms and either increase or decrease the resistance to turn on the fan if not then this might not be your only problem

    You can also buy a temperature sensor controller for fans on EBAY they are not that expensive if you can not figure out what wrong with the circuit

    Hopefully someone on this forum can explain the information on this data sheet because because I do not understand the specifications for this device


    I hope this helps you
    Last edited by sam_sam_sam; 09-03-2021, 05:40 PM.
    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 GS600 TTC-103 thermistor alternative?

      Thanks very much! It proves that I need to think a little more.
      I didn't have a suitable pot but with a little trial and error I have the fan spinning with a 1K resistor. I think that it also proves that if I can find a replacement thermistor, the power supply will be up and running.

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