Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uflorida!haven!rutgers!att!ihuxz!parnass
From: parnass@ihuxz.ATT.COM (Bob Parnass, AJ9S)
Newsgroups: sci.electronics
Subject: Re: Whatizzit?  ("Battery Booster")
Summary: selenium vs silicon diode in battery charger
Message-ID: <4380@ihuxz.ATT.COM>
Date: 13 Apr 89 00:48:00 GMT
References: <27792@cci632.UUCP> <7724@batcomputer.tn.cornell.edu>
Distribution: na
Organization: AT&T Bell Laboratories - Naperville, Illinois
Lines: 15

In article <7724@batcomputer.tn.cornell.edu>,
garnett@batcomputer.tn.cornell.edu (Roger Garnett) writes about
a battery charger:

> 	Probably a selenium or similar rectifier. It could be replaced with
> a large, modern diode, IF it isn't working.

Replacing a selenium rectifier with silicon diodes will change
the charging characteristics of the battery charger.  The relatively
high voltage drop of the selenium stack plays a role in limiting
the charging current.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Bob Parnass AJ9S,  AT&T Bell Laboratories  -  att!ihuxz!parnass - (312)979-5414