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How many volts need this lights?

Discussion in 'General Electronics Discussion' started by elikhaim, May 8, 2018.

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  1. elikhaim


    May 8, 2018
    I want to buy charger for this screen's lamps.... Which charger i need to buy? Thanks!
    I attached pictures of the lamps..

    Attached Files:

  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    They look like cold cathode tubes. They take a high voltage to strike, then they operate at a low constant current (5 mA or so?) at a couple of hundred volts.

    The power supply you have there probably operated from your line voltage, so 110VAC or 220VAC or whatever you have.
    davenn likes this.
  3. davenn

    davenn Moderator

    Sep 5, 2009
    what do you want a charger for ? there are no batteries there to charge

    That looks like a PSU board from a LCD monitor, those take 500V or so
    Last edited: May 8, 2018
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