jus a question

its know that leds and luxeon could not penetrate smoke as compare to halogen counterparts

can the new Cree do?

btw, whats the difference between Cree and seoul ...? curious :candle:

read somewhere that cree suppiled at 3.7 volts, 350 mah ... then whats with the 700 mah current all abt ?? :candle:

advice needed ...

I can help with the second question,

Cree and Seoul both use the same diode but the Seoul is rated at 240 lumen at 1 Amp and the Cree is rated at 200 Lumen at 1 Amp. I heard Seoul states the maximum efficiency and Cree states the average. The Seoul has a positive die which might cause shorts and the Cree has the + and a - contract on the bottom of the die. Cree has a narrower beam then the Seoul and requires a deeper reflector to focus well while the Seoul only requires a small spacer to get the correct focusing height. The Seoul is almost a direct replacement for the Luxeon.

Sorry if that confused you, I can't explain things well.

i get it thanks



hows the temperature rating?
i recall that the luxeon is abt at 125 *c , cree = ??

thanks