Tweaker's Asylum

• Re: Capacitor for Line Filter - for Jon Risch Jon Risch 12:11:58 02/02/01 (3)
  In Reply to: Capacitor for Line Filter - for Jon Risch posted by indy on February 01, 2001 at 12:16:35:

  I do not have my references in front of me, so I will reiterate the main points for such caps:

  AC line rated for X or Y connection
  A film type, rather than ceramic or mica or glass or paper.
  PP film if preferable to PE film

  Jon Risch
  
  

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  • Re: Capacitor for Line Filter - for Jon Risch indy 12:26:46 02/02/01 (2)
    In Reply to: Re: Capacitor for Line Filter - for Jon Risch posted by Jon Risch on February 02, 2001 at 12:11:58:

    Jon,

    What is X or Y connection? I also notice that that some caps are "X2" rated. What is the diff. with the "X" rated".

    Thanks in advance.

    indy
    
    

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    • Re: Capacitor for Line Filter - for Jon Risch Jon Risch 20:20:41 02/04/01 (1)
      In Reply to: Re: Capacitor for Line Filter - for Jon Risch posted by indy on February 02, 2001 at 12:26:46:

      This pertains to "across the line" continuous operation, and Hot to Ground or Neutral to Ground continuous operation. Either rating will help insure that the caps will not just explode or melt with the first line surge that comes along, and is a safety issue.

      Jon Risch
      
      

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      • Thanks (nt) indy 08:34:01 02/05/01 (0)
        In Reply to: Re: Capacitor for Line Filter - for Jon Risch posted by Jon Risch on February 04, 2001 at 20:20:41:

        
        
        

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• Re: Capacitor for Line Filter - for Jon Risch Tim Cristy 15:17:58 02/01/01 (3)
  In Reply to: Capacitor for Line Filter - for Jon Risch posted by indy on February 01, 2001 at 12:16:35:

  I hope you dont mind me piggy-backing on your question...Has anyone tried these for AC filtering:

  http://www.panasonic.com/industrial_oem/electronic_components/pdf/ecqug.pdf
  
  

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  • Re: Capacitor for Line Filter - for Jon Risch indy 20:07:04 02/03/01 (1)
    In Reply to: Re: Capacitor for Line Filter - for Jon Risch posted by Tim Cristy on February 01, 2001 at 15:17:58:

    Have you guys checked the price on those caps? They are about 15 - 20 times the price of Malorry caps. I've checked at DigiKey. Think they are higher end caps. Don't know whether they'll give better performance. Maybe Jon can shed some light on this.

    indy
    
    

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    • Re: Capacitor for Line Filter - for Jon Risch Tim Cristy 11:11:51 02/04/01 (0)
      In Reply to: Re: Capacitor for Line Filter - for Jon Risch posted by indy on February 03, 2001 at 20:07:04:

      I dont know what you looked up, but it must have been for quanties of more than one because these Panasonics are less than twice as expensive at the same capacitance than the Mallory. For example, the 0.1µF Mallory Jon has in his plan is $0.62 and the 0.1µF Panasonic ECQUG is $1.07. Compared to audiophile xover caps these are both dirt cheap. The reason I asked about the Panasonics is that Panasonic caps have a very good reputation amongst DIYers as very good performance for the money.

      Tim
      
      

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  • Re: Capacitor for Line Filter - for Jon Risch jcenter 17:30:14 02/01/01 (0)
    In Reply to: Re: Capacitor for Line Filter - for Jon Risch posted by Tim Cristy on February 01, 2001 at 15:17:58:

    I checked out the data sheet and the part looks like a great fit for an AC filtering application.

    -JC
    
    
    

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