Formulas for rolled caps

• To: tesla-at-poodle.pupman-dot-com
• Subject: Formulas for rolled caps
• From: Richard Quick <richard.quick-at-slug-dot-org>
• Date: Tue, 14 May 1996 14:21:00 GMT

Quoting Rodney Davies <rodney-at-johnxt7.anu.edu.au>:

> Does anyone (particularly Richard Q, or Richard Hull) have the
> formulas  for calculating the dimensions for rolled capacitors?

> I know the flat plate formulas, just wondering where the rolled
> formulas  are?

Rolled caps use the same formula as flat plate caps, the final
capacitance of the rolled cap is twice as great as a flat plate
cap with the same plate and dielectric area. Use the standard
formula for flat plate caps, multiply your results by two for
rolled caps.

Richard Quick


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