over powering Leds

Discussion in 'General Electronics Chat' started by oz93666, Aug 30, 2013.

  1. oz93666

    Thread Starter Senior Member

    Sep 7, 2010
    Has anyone noticed the price of 100w leds has come down recently(now $8 on eBay). Time to buy twenty or so, dust off my 100A SSR and make a mega strobe. Normal operating current is 3.5A ; absolute maximum listed as 7A ;but is this absolute max. What about 1ms pulse or less and what sort of light output? ( @ 3.5A we have 9kLm.) ...thanks
  2. bountyhunter

    Well-Known Member

    Sep 7, 2009
    Yes. Power LED technology is rapidly advancing, hence the reason they are now used in car headlights.
  3. Metalmann

    Active Member

    Dec 8, 2012
    I only have one 100 Watt LED, and it is amazing how much price has dropped just since last year.
    I experiment mostly in the 3-50 Watt range.
  4. Shagas

    Active Member

    May 13, 2013
    By absolute max they already mean that you should be pulsing it at very low intervals.
    Check the datasheet , they should tell you exactly how long you can pulse it at 7A . But usually absolute max is absolute max