Article View: alt.comp.hardware
Article #3851Re: Stabilize the 12v ATX power supply
From: Eric Gross
Date: Sun, 22 Apr 2001 17:44
Date: Sun, 22 Apr 2001 17:44
46 lines
2764 bytes
2764 bytes
"Eric" <knipbody@homebody.com> wrote in message
news:3AE2176C.47CED699@homebody.com...
> 50 ohms of resistance across the +5v output will yield only 1/10 of
> an amp of a load (1/2 of a watt.) To equal his 5a - 25w load, two
> 2 ohm resistors must be placed in parallel.
>
> New math?
Oops, didn't read his numbers quite right... Thought he said he used 50 ohms
of resistance initally (didn't quite make sense now that I think about it).
-Eric
>
> Eric Gross wrote:
>
> > Try putting two 25-watt 100ohm resistors in parallel. To total
resistance
> > will then still be 50 ohms but the total wattage the resistors can
handle
> > will now by 50 watts, which hopefully won't get as hot.
> >
> > -Eric Gross
> >
> > "cheamc" <cheamc@pc.jaring.my> wrote in message
> > news:9bsas5$3rv$1@news6.jaring.my...
> > > I have just finish modify a second 250w ATX power supply and install
it in
> > > my full tower case.Use to power the fan and the peltier. I use the
> > > multitester to check the 12v and I get only 10.78v ? Than I put in the
> > 1ohm
> > > 25w resistor to the 5v and it can stabilize at 12.38v. But the
resistor
> > get
> > > very very hot. (it hot till u can't touch) Scare the wire will melt so
i
> > > takeout the resistor and let it run at 10.78v.
> > > Somebody have any idea how to stabilize the 12v ? Is the resistor
ohm
> > > wrong ?
>
>
> --
> [Remove bodies from address for email.]
> {Friends don't let friends cross post.}
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f5f89,16ccaf04ae104be4 X-Google-Attributes: gidf5f89,public X-Google-Thread: 1011f8,483a13dfe0a5ff64 X-Google-Attributes: gid1011f8,public X-Google-ArrivalTime: 2001-04-22 10:48:02 PST Path: arc1-ca.pugleaf.net!newsfeed.google.com!sn-xit-03!supernews.com!cyclone-sjo1.usenetserver.com!news-out-sjo.usenetserver.com!europa.netcrusader.net!128.230.129.106!news.maxwell.syr.edu!newsxfer.eecs.umich.edu!nntp.msen.com!usenet.INS.cwru.edu!not-for-mail From: "Eric Gross" <ecg5@po.cwru.edu> Newsgroups: alt.comp.hardware,jaring.pcbase Subject: Re: Stabilize the 12v ATX power supply Date: Sun, 22 Apr 2001 13:44:54 -0400 Organization: Case Western Reserve University, Cleveland, OH, USA Lines: 48 Message-ID: <9bv545$ntl$1@eeyore.INS.cwru.edu> References: <9bsas5$3rv$1@news6.jaring.my> <9bsc82$79n$1@eeyore.INS.cwru.edu> <3AE2176C.47CED699@homebody.com> NNTP-Posting-Host: ericg.student.cwru.edu X-Trace: eeyore.INS.cwru.edu 987961285 24501 129.22.244.12 (22 Apr 2001 17:41:25 GMT) X-Complaints-To: abuse@po.cwru.edu NNTP-Posting-Date: 22 Apr 2001 17:41:25 GMT X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400