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From: "Walter Harley"
Subject: Re: Lowest voltage drop diode
Date: Wed, 25 Sep 2002 18:59:06 -0700
Organization: Posted via Supernews, http://www.supernews.com
Reply-To: "Walter Harley"
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
"markp" wrote in message
> "oguz" wrote
> > I am looking for a very low voltage drop diode ( or equivalent circuit
> > ) that has a forward voltage drop of 0.2 Volts or less. Maximum
> > current to be conducted will be less than 5mA.
> Is this for reverse voltage protection?
Sometimes it's possible to use a shunt diode rather than series, for this
application. Don't know what you're trying to do so I don't know if that's
relevant, but it's common as a circuit-protection scheme in situations such
as battery-powered gear where there's a risk of the battery being connected
backwards. The diode needs to be able to handle enough current in the fault
condition, of course; but in normal operation it's reverse-biased.
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