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[AMPS] Re: Alminum Capacitor

To: <amps@contesting.com>
Subject: [AMPS] Re: Alminum Capacitor
From: ohashi@ny.airnet.ne.jp (ohashi)
Date: Thu, 16 Sep 1999 23:17:24 +0900
Folks, VY TNX !

measures wrote:
> My guess is that they are intended for 50/60 Hz service.  Switccher
> supply caps would need much less C and very low ESR.

Today, I found similar kind of capacitor was used in a
switching power supply for PC.  It is 100uF 450V and same
manufacturer, grade and exterior.  The power supply is 100W
capability.   The capacitor is used for a filtering
at just after bridge rectifier for mains input.

My guess was correct.   The capacitor is used for 100/120Hz 
filtering, not for 50KHz filtering.


'73 de JA2DHC/1  Kazuo Ohashi
  QTH: Fujisawa, Kanagawa, Japan
   PBBS: JA2DHC@JL1ZND.11.JNET1.JPN.AS
    WebPage: http://www.ny.airnet.ne.jp/ohashi/

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