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Can someone please explain to me what this chip is CM03X

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    #1

    Can someone please explain to me what this chip is CM03X

    Can someone please explain just what this chip is suppose to do and how it works

    The data sheet is very vague about what this chip is

    CM03X

    https://cdn.badcaps-static.com/pdfs/...c907c22d05.pdf
    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
    Tags: None
    #2
    Re: Can someone please explain to me what this chip is CM03X

    Looks like just a MOSFET switch meant to be run in saturation, of sorts...where is it being used?

    Comment

      #3
      Re: Can someone please explain to me what this chip is CM03X

      Originally posted by eccerr0r View Post
      Looks like just a MOSFET switch meant to be run in saturation, of sorts...where is it being used?
      Thanks
      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

      Comment

        #4
        Re: Can someone please explain to me what this chip is CM03X

        the datasheet say

        The CM03X is designed to reduce the no load consumption or
        so called Phantom power for AC Adapter, Desk Top PC power
        supply, LCD Power Supply and others.

        but they can add typical installation
        Last edited by ktmmotocross; 12-27-2018, 10:54 AM.

        Comment

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