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Capacitor Selection
- To: <ukha_d@xxxxxxx>
- Subject: Capacitor Selection
- From: "Hawes,Timothy Edward (GEG)" <haweste@xxxxxxx>
- Date: Wed, 30 Jul 2003 09:48:55 +0100
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
Hi all,
I'm need to buy a couple of radial capacitors but am unsure as to what
some=
of the specs mean. I know I need a 25V, 2200=B5F unit but what about leaka=
ge current ?
The specs quote figures like: leakage current: 0.01CV or 4=B5A=20
Now I understand =B5A (i.e. amps / 1,000,000) but what is the 0.01CV
figure=
? I assume the lower the leakage current the better, but is this always th=
e case (this is for audio equipment) ?
Temperature ratings: does the higher temperature rating adversely affect
th=
e capacitor's operation, or affect it's performance ? Or is replacing a
low=
er temperature one with a higher temperature rating just a bit of overkill
=
/ extra safety margin ?
TIA,
Tim H.
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