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Main => Main Forum => Topic started by: Popcorrin on October 02, 2008, 02:52:50 pm

Title: Looking for a good place to purchase superbright blue leds?
Post by: Popcorrin on October 02, 2008, 02:52:50 pm

Title pretty much says it all. Thanks

Title: Re: Looking for a good place to purchase superbright blue leds?
Post by: whammoed on October 02, 2008, 03:46:58 pm

Ebay...great price, usually narrow angle and sometimes dubious consistency
groovygamegear
www.superbrightleds.com  (reliable specs posted on site)

Title: Re: Looking for a good place to purchase superbright blue leds?
Post by: divemaster127 on October 02, 2008, 04:53:50 pm

I stock the ultimarc blue triple leds, they are 1.90 each
dm

Title: Re: Looking for a good place to purchase superbright blue leds?
Post by: Franco B on October 02, 2008, 05:55:59 pm

I got all mine off ebay, 100 superbrights with 100 resistors for £10 ($20) delivered to the UK from HK. Not had a bad one yet.

Title: Re: Looking for a good place to purchase superbright blue leds?
Post by: MonMotha on October 02, 2008, 07:19:46 pm

As a point of caution, be sure you consult the datasheet for your LEDs of choice regarding lifetime.  Most of the cheap blue LEDs will start out REALLY bright but dim quite noticeably after only a few hundred hours.  Quality LEDs will have lifetime data in their datasheets.  I've had pretty good luck with initial reliability (1 DOA of about 500 from a manufacturing run recently done), but past experience indicates lifetime is a more arduous test.

If you want LEDs so bright you probably can't look at them, try the Luxeon I, III, or V.  Sparkfun sells these.  Note that these are so bright they need special heatsinking.

Title: Re: Looking for a good place to purchase superbright blue leds?
Post by: Popcorrin on October 07, 2008, 09:43:09 am

Thanks, guys.