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Article #11024Re: Would this blow my light?
From: Thomas Schaerer
Date: Fri, 06 Nov 1992 07:39
Date: Fri, 06 Nov 1992 07:39
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Richard Banks (ah335@cleveland.Freenet.Edu) wrote: : : : I need some help here. : I have a small light I wish to use that is rated at 12V and : much greater than 500 mW. : : Can I get away with powering it be a 18V line at 500 mW? : Or could this possibly damage it from overheating or even : blow it? : If you want more lightpower you must take a bulb with more defined power. If you increase the voltage, the lifetime will be very much reduced. For longer life it's more better to power a bulp with a constant current source than a voltage source. The advantage is no currentspikes by switch on. Greeting Thomas
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Newsgroups: sci.electronics Path: arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!decwrl!sdd.hp.com!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!ira.uka.de!chx400!bernina!schaerer From: schaerer@isi.ethz.ch (Thomas Schaerer) Subject: Re: Would this blow my light? Message-ID: <1992Nov6.073937.28281@bernina.ethz.ch> Sender: news@bernina.ethz.ch (USENET News System) Organization: Swiss Federal Institute of Technology (ETH), Zurich, CH X-Newsreader: TIN [version 1.1 PL6] References: <1dcmmnINNs96@usenet.INS.CWRU.Edu> Date: Fri, 6 Nov 1992 07:39:37 GMT Lines: 18