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Unread 23-11-2007, 21:00
Richard Wallace's Avatar
Richard Wallace Richard Wallace is offline
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Re: Silicon Controlled Rectifier

Quote:
Originally Posted by teh_pwnerer795 View Post
Hey guys im back with more questions

first question. is it possible to hook up two 6A diodes in parallel to get a total diode protection of 12A?

second question. if a bridge rectifer is rated for 25A, does that mean i have to put 25A through the rectifer for it actaully work?>?

Thanxs again..

if the question seems confusing, let me noe.
1st: two 6A diodes in parallel will not share current perfectly, so their total capacity will be less than 12A. Also, the Ampere rating of a diode is generally tied to an assumed operating temperature; if actual temperature is higher then the diode will fail at less than its nominally rated Amperes.

2nd: the 25A rating on your rectifier is a maximum (again, at the given temperature, which is usually 25 Celsius) -- you can operate the bridge at lower current.
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I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.
(Cosmic Religion : With Other Opinions and Aphorisms (1931) by Albert Einstein, p. 97)

Last edited by Richard Wallace : 23-11-2007 at 21:01. Reason: NOT
 


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