Subject: Saltwater Caps
From: adams-at-intranet.on.ca (harry adams)
Date: Wed, 07 Feb 1996 20:57:53 -0500
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A friend and myself are planning a small, low cost TC project. When
specifying caps for the lab I usually take the maximum peak to peak voltage
and multiply that by 2.5 to get the DC working voltage for the cap I need.
If I am using saltwater caps where the glass wall thickness is 0.125 inches
and the puncture voltage is about 200 volts per mil, then the 125 x 200 =
25kV. Derating by 2.5 gives a working voltage of about 10 kV for the peak
to peak voltage or about
7 kV RMS.
Is this the correct approach?
Also, is the output voltage on an oil burner ignition transformer the RMS or
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