Trying to find random flashing SMD Leds

Discussion in 'General Electronics Chat' started by critiera119, Mar 4, 2012.

  1. critiera119

    Thread Starter Active Member

    Nov 21, 2008
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    I am trying to find random flashing surface mount LEDs - do they exist? 9volt or less would be great and 5mm x 2mm would be perfect - give or take a few mm is ok.
     
    Last edited: Mar 4, 2012
  2. Bernard

    AAC Fanatic!

    Aug 7, 2008
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    Only random flashing LED I know of is the flickering candle, 5mm. Gives a random PWM signal from current limiting resistor. Sorry, not SM.
     
  3. critiera119

    Thread Starter Active Member

    Nov 21, 2008
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    The SMD would just have to blink not flicker. It must exist...
     
  4. nerdegutta

    Moderator

    Dec 15, 2009
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    I think Bill_M made a circuit for that some time ago. The thread should still be on the forum.
     
  5. critiera119

    Thread Starter Active Member

    Nov 21, 2008
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    To clarify...There would be no external driver circuit to make the LEDs blink, the circuit is within the LED. I know there are through hole LEDs that have self contained blinking circuit, I'm looking for the SMD version.
     
  6. tracecom

    AAC Fanatic!

    Apr 16, 2010
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    You may be corrrect, but all the LED's with built-in flashing circuits that I have seen are not random; they blink at a very steady uniform rate.
     
  7. critiera119

    Thread Starter Active Member

    Nov 21, 2008
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    Steady or random flashing, it really doesn't matter - just has to be surface mount. I don't think what I am looking for exists.
     
  8. tracecom

    AAC Fanatic!

    Apr 16, 2010
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  9. critiera119

    Thread Starter Active Member

    Nov 21, 2008
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  10. critiera119

    Thread Starter Active Member

    Nov 21, 2008
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    I'm 99% sure they don't exist in the form I am looking for. Thanks guys anyway.
     
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