Tech Square

• That's a gotcha! - clifff 09:39:56 08/03/08 (2)
  In Reply to: RE: Help with capacitor value. posted by stakkall on August 02, 2008 at 15:53:50

  In that case the "k" is tolerance, (20% ? I can't remember)
  
  So he put two .22uF in parallel to give .44uF, well within the loose tolerence of the components.
  
  He used 630v devices because that is all he had. Probably.
  
  

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  • RE: That's a gotcha! - stakkall 17:44:12 08/03/08 (1)
    In Reply to: RE: That's a gotcha! posted by clifff on August 03, 2008 at 09:39:56

    If I had enough know-how I would have replaced/updated all four capacitors of the ".47 100V EM" type, rather than introduce the piggy-backed .44uF deviant. What can I say: I'm an English major. Thanks Cliff.
    Thank you,
    SomuT
    
    

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    • So... do it! - GPBobby 05:01:08 10/22/08 (0)
      In Reply to: RE: That's a gotcha! posted by stakkall on August 03, 2008 at 17:44:12

      If you want to change them ALL now, you can do it. You didn't say whether the caps were on a printed circuit board or not, or what they do in the circuit.
      
      In theory, any cap with the same capacitance and voltage rating will work, but in reality, some cap constructions are better than others in a given application. So someone would have to give you a tip about that. Also, if you are not skilled at soldering and your parts are on a pcb, you might want to cut your teeth on some other project. Removing parts from circuit boards can be difficult and destructive.
      
      
      
      
      

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