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Luxeon K2

Discussion in 'Lighting' started by Chris Isaacson, Aug 24, 2005.

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  1. Has anyone gotten their hands on any of the Luxeon K2s. Their factsheet
    boasts 65 lumens per watt.

    Chris Isaacson
     
  2. As far as I know there is no K2 product yet and no K2
    datasheet. (Please correct me if I am wrong.) And the sell
    sheet I see says 60 lm/W, not 65 lm/W.

    There was a display in the Luxeon booth at Light Fair 2005
    that showed the K2 as a "future" product." That important
    fact was listed in small print on the display at Light Fair
    but does not seem to be included on the sell sheet posted on
    the Luxeon Web site at
    http://www.lumileds.com/lightfair2005/Luxeon_K2_Lightfair.pdf

    Until we have a data sheet instead of a sell sheet it will
    be impossible to even speculate what the real performance
    is. Notice that the sell sheet says "up to 60 lm/W" so it
    will be interesting to see what the typical and minimum
    values are and how much they drop at realistic junction
    temperatures.

    --
    Vic Roberts
    http://www.RobertsResearchInc.com
    To reply via e-mail:
    replace xxx with vdr in the Reply to: address
    or use e-mail address listed at the Web site.

    This information is provided for educational purposes only.
    It may not be used in any publication or posted on any Web
    site without written permission.
     
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