Quote:
Originally Posted by StirCrazy
now as for heat sinks, nothing to do with the surface area, but rather with the amount of watts dispersed per square inch. using a 3 watt LED on a star you want a heat sink that will disperce a min of 3watt / sq in I see most are up around the 6watt/sq in, and you can use air movment to increase this value.
|
Cree Leds are all over the map now for lumens. Some are 106, some are 230, some are 350. All are considered "3 watt". You can save money and get 3-ups. which I would cosider as 1 Led. So really, the amount you need depends entirely on the emitter you are using.