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Diodes for brushless generator

Old 03-15-2008, 02:34 PM
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Default Diodes for brushless generator

I'm playing with a little 80w (gws) brushless as a generator,
figured I'd try it small scale first before buying stuff for ~1hp.

I got some 6amp barrel diodes from the local RadioShack, which is fine for this testing/fidgeting stage. But after a quick goole-ing for 30 or 40 amp diodes I didnt find a place to order some up. If I shoot for a nominal 20v 35amp, and build in some fudge factor safety, 40a 25-30v smoke limits

Anybody know where I can get some 30-40amp diodes of our voltages to make a 3phase rectifier out of?
Old 03-15-2008, 04:49 PM
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Default RE: Diodes for brushless generator

How about these?
[link=http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=1N1183A-ND]1N1183A available from Digi-Key[/link]. 40A at 50V. Here's the [link=http://dkc3.digikey.com/PDF/T081/P1179.pdf]full catalog page[/link] (PDF) which shows additional diodes.

- Jeff
Old 03-16-2008, 04:42 AM
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Default RE: Diodes for brushless generator

Oh man that is an anchor of a [link=http://media.digikey.com/photos/Vishay%20IR%20Photos/698-DO-5.jpg]diode (DO-5 chassis)[/link]!
1/4-28 threads on the bottom for scale,
I might need to up the project power just to get 6 of them off the ground

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