The cap is rated to 200V but will not operate at 200V unless the supply operates at that voltage. It is customary practice to try and get cap rating voltages 10% or higher above the operating voltage for safety and reliability. <div>
<br></div><div>-Will <br><br><div class="gmail_quote">On Fri, Dec 23, 2011 at 1:00 PM, David Smith <span dir="ltr"><<a href="mailto:david@davincisciencecenter.org">david@davincisciencecenter.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Doesn't sound right... Isn't the case supposed to be (-) or ground?<br><br>Dave<br><br><div class="gmail_quote">
<div><div class="h5">On Fri, Dec 23, 2011 at 12:36 PM, Josiah Ritchie <span dir="ltr"><<a href="mailto:josiah@josiahritchie.com" target="_blank">josiah@josiahritchie.com</a>></span> wrote:<br>

</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><p>I'm messing around with another old pc power supply and found that the top of one of the 200v 330mF caps is giving 150v when connected to ground. Is this normal? The other caps have no problems. </p>



<p>Yes, I discovered this through physical contact with the cap. My wife thought a small animal was released in the room by the yelp I made. :-)</p>
<p>JSR/</p>
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