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From: Peter Bennett
Subject: Re: what does amp rating on adapter mean?
Date: Sun, 27 Oct 2002 10:52:14 -0800
Organization: Home for the Hopelessly Helpful
X-Newsreader: Forte Agent 1.8/32.548
On Sat, 26 Oct 2002 19:41:04 -0400, "David Jones"
>I have a 12v 600ma adapter. I don't understand what the 600ma means. does
>it mean that that is the maximum safe amount of current to use? does it
>mean that that is what the adapter delivers when short circuited without any
>resistence? if I want to get 40ma's from it how much resistance do I use.
>that will help me understand. Thanks
That means that the adaptor can deliver 12 volts at _up to_ 600 mA.
Any 12 volt rated load connected to the adaptor will only draw the
current it needs, so if your device is designed to draw 40 mA at 12
volts, you can connect it directly to the adapator with no additional
Peter Bennett, VE7CEI
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