1200 and 2000 volt caps in the filter condenser block?

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1200 and 2000 volt caps in the filter condenser block?

Chuck Schwark
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Posts: 1,703
Threads: 55
Joined: Sep 2005
City: Evanston, IL

#5

06-19-2008, 09:43 AM

I've also thought that the older type wax-paper construction of these caps partially contributed to the higher voltage rating, due to needing a high value of capacitance.

Since the required capacitance was high (1uF and up) and a lot of paper dielectric was used, (paper is only 200 volts/mil breakdown), the thick paper by consequence, gave the cap a higher breakdown voltage, so that was the rating given in the Philco parts catalogues, even though the caps saw service in the 300-400 VDC ranges.

Chuck

Chuck Schwark,
The Philco Repair Bench
[Image: http://www.philcorepairbench.com/images/philog3tiny.gif]
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Messages In This Thread

1200 and 2000 volt caps in the filter condenser block? - by MinnesotaHam - 06-15-2008, 04:11 PM

[No subject] - by Ron Ramirez - 06-15-2008, 05:11 PM

[No subject] - by MinnesotaHam - 06-15-2008, 06:44 PM

[No subject] - by gary rabbitt - 06-18-2008, 11:51 PM

[No subject] - by Chuck Schwark - 06-19-2008, 09:43 AM

[No subject] - by gary rabbitt - 06-20-2008, 01:46 PM

[No subject] - by MinnesotaHam - 06-20-2008, 05:49 PM

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