Article View: sci.electronics.components
Article #225Re: Best way to power array of LEDs?
From: Watson 'Atto Parsec' Name
Date: Sun, 06 Oct 2002 16:32
Date: Sun, 06 Oct 2002 16:32
48 lines
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3530 bytes
In article <jal0qucgteqdc9r256bsgbtg5nu3851qej@4ax.com>, JoeBloe@thebarattheendoftheuniverse.org talked about... > On Sun, 6 Oct 2002 07:00:53 -0700, Watson 'Atto Parsec' Name > <alondra101@hotmail.com> Gave us: > > >In article <3vhvpus9q0q0konienia8u8fb6400uc8di@4ax.com>, > >JoeBloe@thebarattheendoftheuniverse.org talked about... > > >> Well now. There's a nice, warm, cozy circuit box for ya. > > > >Well, you've made a comment just as dim as the bulbs would be. Whether it > >is a lamp or a resistor, or a transistor, the heat output for a given DC > >voltage drop and current will be the same. Duh. > > > >> Hahaha.... > > > >Laugh's on you. I won't make any comments on such foolish statements below, I'll let others do it. > Not quite. The filament bulb based "resistor" is a much better IR > emitter. > > A manufactured for that purpose resistor, by design, dissipates its > heat through the medium of its body, and would be much better at > keeping said heat right where it was at. The bulbs would, on the > other hand, heat up surrounding elements and chassis parts from a > distance via radiated IR energy. > > So how said heat gets handled makes a difference. Paint the bulbs > with a matte black high temp paint, all except for a viewing "window" > at the top of the bulb. > > Hahaha... No, the laugh is on you. > -- @@F@r@o@m@@O@r@a@n@g@e@@C@o@u@n@t@y@,@@C@a@l@,@@w@h@e@r@e@@ My email address is whitelisted. *All* email sent to it goes directly to the trash unless you put NOSPAM in the Subject: line. alondra101 <at> hotmail.com Don't be ripped off by the big book dealers. Go to the URL that will give you a choice and save you money(up to half). http://www.everybookstore.com You'll be glad you did! Just when you thought you had all this figured out, the gov't changed it: http://physics.nist.gov/cuu/Units/binary.html @@t@h@e@@a@f@f@l@u@e@n@t@@m@e@e@t@@t@h@e@@E@f@f@l@u@e@n@t@@
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 112d1e,4ef4c9d4aea85e1f X-Google-Attributes: gid112d1e,public X-Google-Thread: 103407,4ef4c9d4aea85e1f X-Google-Attributes: gid103407,public X-Google-Thread: 1131b0,4ef4c9d4aea85e1f X-Google-Attributes: gid1131b0,public X-Google-Thread: 1118be,4ef4c9d4aea85e1f X-Google-Attributes: gid1118be,public X-Google-Thread: 10d137,4ef4c9d4aea85e1f X-Google-Attributes: gid10d137,public X-Google-ArrivalTime: 2002-10-06 09:39:22 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!bloom-beacon.mit.edu!iad-peer.news.verio.net!news.verio.net!newsfeed.cwix.com!newsfeed1.cidera.com!Cidera!news.inreach.com!not-for-mail From: Watson 'Atto Parsec' Name <alondra101@hotmail.com> Newsgroups: sci.electronics.components,sci.electronics.design,alt.engineering.electrical,aus.electronics,sci.electronics.repair Subject: Re: Best way to power array of LEDs? Message-ID: <MPG.180a0567a6a23229989c14@news.inreach.net> References: <0001HW.B9C26E7400A7161B165FEAC0@news.covad.net> <3d9d452f.4128065@news.xs4all.nl> <P0HAA5Jd3Un9EwWS@ntlworld.com> <3vhvpus9q0q0konienia8u8fb6400uc8di@4ax.com> <MPG.1809e1f150f8d4b4989c10@news.inreach.net> <jal0qucgteqdc9r256bsgbtg5nu3851qej@4ax.com> X-Newsreader: MicroPlanet Gravity v2.60 Lines: 48 Date: Sun, 6 Oct 2002 09:32:11 -0700 NNTP-Posting-Host: 209.209.66.74 X-Trace: news.inreach.com 1033921461 209.209.66.74 (Sun, 06 Oct 2002 09:24:21 PDT) NNTP-Posting-Date: Sun, 06 Oct 2002 09:24:21 PDT Organization: InReach Internet