Article View: alt.comp.hardware
Article #3849Re: Stabilize the 12v ATX power supply
From: Eric
Date: Sat, 21 Apr 2001 23:28
Date: Sat, 21 Apr 2001 23:28
31 lines
2398 bytes
2398 bytes
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?
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.}
Technical Details
Message-ID:
<3AE2176C.47CED699@homebody.com>Path:
arc1-ca.pugleaf.net!newsfeed.google.com!sn-xit-03!supernews.com!cyclone-sjo1.usenetserver.com!news-out-sjo.usenetserver.com!feed2.onemain.com!feed1.onemain.com!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newshub2.home.com!news.home.com!news1.rdc1.sdca.home.com.POSTED!not-for-mailReferences:
<9bsas5$3rv$1@news6.jaring.my> <9bsc82$79n$1@eeyore.INS.cwru.edu>Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 1011f8,483a13dfe0a5ff64 X-Google-Attributes: gid1011f8,public X-Google-Thread: f5f89,16ccaf04ae104be4 X-Google-Attributes: gidf5f89,public X-Google-ArrivalTime: 2001-04-21 16:32:04 PST Path: arc1-ca.pugleaf.net!newsfeed.google.com!sn-xit-03!supernews.com!cyclone-sjo1.usenetserver.com!news-out-sjo.usenetserver.com!feed2.onemain.com!feed1.onemain.com!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newshub2.home.com!news.home.com!news1.rdc1.sdca.home.com.POSTED!not-for-mail Message-ID: <3AE2176C.47CED699@homebody.com> From: Eric <knipbody@homebody.com> Organization: Little X-Mailer: Mozilla 4.5 [en]C-AtHome0405 (Win98; U) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: alt.comp.hardware,jaring.pcbase Subject: Re: Stabilize the 12v ATX power supply References: <9bsas5$3rv$1@news6.jaring.my> <9bsc82$79n$1@eeyore.INS.cwru.edu> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 31 Date: Sat, 21 Apr 2001 23:28:32 GMT NNTP-Posting-Host: 24.0.36.120 X-Complaints-To: abuse@home.net X-Trace: news1.rdc1.sdca.home.com 987895712 24.0.36.120 (Sat, 21 Apr 2001 16:28:32 PDT) NNTP-Posting-Date: Sat, 21 Apr 2001 16:28:32 PDT