In my post, "luminary" started out "luminaire." But spell check "fixed" it for me. Should have been more vigilant. Ken Javor Phone: (256) 650-5261
> From: John Woodgate <[email protected]> > Date: Fri, 1 Mar 2013 18:33:09 +0000 > To: <[email protected]> > Subject: Re: LED Chamber Lighting - drivers outside the chamber > > In message <[email protected]>, > dated Fri, 1 Mar 2013, "ce-test, qualified testing bv - Gert Gremmen" > <[email protected]> writes: > >> I know the topics about LED current sourcing and temp coefficient, but >> as my power source is limited at 3 amps, which also is the full load >> current of the LEDs, there is no risk of dead LEDS due to temp runaway. >> There are 10 LEDS in series and 10 of these chains in parallel. > > I hope you are right but 'NTC' plus 'parallel' can spell 'current > hogging'. > > Incidentally, it's not 'luminary' (a sort of up-market celebrity) but > 'luminaire'. > -- > OOO - Own Opinions Only. See www.jmwa.demon.co.uk > SHOCK HORROR! Dinosaur-like DNA found in chicken and turkey meals > John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://listserv.ieee.org/request/user-guide.html > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher: <[email protected]> > David Heald: <[email protected]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>

