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metal film and carbon resistors

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    metal film and carbon resistors

    are using metal film ok for replacing carbon ones?,what is the difference,metal film better quality?,im getting a load for stock e24 values and the in between values ,all are metal film 1% resistors
    fixed so far...376 lg lcd tv's,24 onn tv;s,24 panasonic lcd,16 jvc lcd,12 marshall jcm800 amps,refurb of various disco equipment lighting,old style disco decks ,and a flymo!

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    please let us know if everything works ok if your tv gets fixed, as it will be and aid for anyone else having the same problem and wishing to fix it.it would save people clogging up this site with topics that are duplicated,and can be found easily using the search function.,and taking up valuable space.enjoy your fixed tv!,hopefully!

    #2
    Re: metal film and carbon resistors

    You can learn more here:
    http://www.resistorguide.com/tag/resistor-types/
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

    Comment


      #3
      Re: metal film and carbon resistors

      At a general level, metal film parts are better quality than carbon film. Better precision (down to .1% tolerance or better), better temperature coefficient (resistance change with temperature) (carbon film, IIRC, is 250ppm/*C; metal film can be 25ppm/*C or better). Metal film of the more generic 1% or 2% variety cost a little more than carbon film, but unless you're buying by the million, you may not notice.

      The geekasoid life form in me winces when I see carbon film resistors in modern electronics, but realistically, if you're talking about 4.7K pull-up resistors being bought by the 100Ks or Ms, 1% or 2%, 100ppm parts offer no performance or reliability advantage.

      I wonder how many here besides me has seen and used a 20% tolerance carbon composition resistor?
      PeteS in CA

      Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
      ****************************
      To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
      ****************************

      Comment


        #4
        Re: metal film and carbon resistors

        I do use carbon comp due to high pulse tolerance for our equipment.
        https://cdn.badcaps-static.com/pdfs/...e2efc27a2a.pdf
        Never stop learning
        Basic LCD TV and Monitor troubleshooting guides.
        http://www.badcaps.net/forum/showthr...956#post305956

        Voltage Regulator (LDO) testing:
        http://www.badcaps.net/forum/showthr...999#post300999

        Inverter testing using old CFL:
        http://www.badcaps.net/forum/showthr...er+testing+cfl

        Tear down pictures : Hit the ">" Show Albums and stories" on the left side
        http://s807.photobucket.com/user/budm/library/

        TV Factory reset codes listing:
        http://www.badcaps.net/forum/showthread.php?t=24809

        Comment


          #5
          Re: metal film and carbon resistors

          Carbon comp resistors look likely to retain a certain niche for applications where the resistors have to withstand occasional high energy pulses. My company uses several carbon comp resistors that are in surface-mount packages - almost a technological oxymoron.
          PeteS in CA

          Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
          ****************************
          To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
          ****************************

          Comment

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