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high temperature caps

Discussion in 'Troubleshooting and Repair' started by johnT, Oct 31, 2009.

  1. johnT

    johnT

    1
    0
    Oct 31, 2009
    can i replace a 105deg cap with an 85deg cap in my pc monitor?
     
  2. Resqueline

    Resqueline

    2,848
    1
    Jul 31, 2009
    Yes you sometimes can, but of course expect it to live a lot shorter than the original.
    The prob is that the 105deg one is probably a low-esr, while the 85deg ones are usually not, making them run even hotter than the original. You might also get undesirably high ripple voltages that might impair operation.
    If it's a small one (0.5-4.7uf) you migh want to opt for a plastic replacement which would give you the best performance and an infinite lifespan.
     
  3. jerryg50

    jerryg50

    57
    0
    Apr 18, 2010
    High Temp Rated Cap vs Low Temp Rated Cap


    You can replace the cap with a lower temperature rated one, but its lifespan will most likely be reduced. It may be worth the extra effort to order a proper cap with the proper temperature rating. :)


    Jerry G.
     
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