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Re: [TCML] 1,000uF 250V pulse cap needed
In a message dated 8/7/08 7:05:13 P.M. Eastern Daylight Time,
FIFTYGUY@xxxxxxx writes:
>Howzabout photoflash caps?
Well, I poked around a little in the archives, and it seems Terry Fritz
had looked at photoflash caps for his OLTC. He decided they didn't/wouldn't
work.
Anyhow, here's some CDE photoflash cap specs:
_http://www.cde.com/catalogs/7P-PF.pdf_
(http://www.cde.com/catalogs/7P-PF.pdf)
They are only rated for 100,000 discharges (~15 minutes a 120 bps?), but
they are also only rated for one discharge every 30 seconds! And these are
supposed to be really nice photoflash caps!
The suitable caps are "strobe" duty caps:
_http://www.cde.com/catalogs/ST.pdf_ (http://www.cde.com/catalogs/ST.pdf)
So there's normal "photoflash" caps, and special "strobe" caps. The CDE
"ST" strobes are rated at 10 million flashes, 1 per second. The strobes are
about 3 times the can volume for the same voltage and capacitance rating of
the plain "flash" units.
-Phil LaBudde
Center for the Advanced Study of Ballistic Improbabilities
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