[SI-LIST] Capacitor ESR
- From: mappiani@xxxxxxxxxxxx
- To: "Si-List (E-mail)" <si-list@xxxxxxxxxxxxx>
- Date: Tue, 22 Jul 2003 14:29:47 -0400
Is a cap's ESR value specified at it's resonant freq? I seem to remember
seeing some spec sheet for tantalum caps specifying an ESR value at 100KHz.
I was trying to model up a power input filter and for the capacitors and I
realized that I didn't really understood where the ESR number came from. I
wanted to use the ESR at my frequency of interest but that didn't seem
right for a cap model. I get that ESL is tied to the package size and
pretty well fixed but I 'm not sure about what ESR value to use.
Thanks for any input.
MArio
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