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Cree's tests confirmed did the LED 208 lumens of light output produced and 208 lumens per watt efficacy Achieved at a correlated color temperature of 4579 K. The tests were Conducted under standard LED test conditions at a drive current of 350 mA at room temperature.
Which maximum luminous flux is achieved because? Or what total power consumption? The efficiency is all well and good, but if the example is only <1W educates that also helps only partially on.
Click in this box to view it in full size. Yeah, Cree asserted, too, that the XP-G R4 347 Lumens brings. What Siam has measured? 247 lumens at 1A?! So I look at Cree currently optiled rather than a corporate announcement, which are full-bodied with a pile face Odl of itself.
Yeah, Cree asserted, too, that the XP-G R4 347 Lumens brings. What Siam has measured? 247 lumens at 1A?! So I look at Cree currently rather optiled than a corporate announcement, which are full-bodied with a pile face Odl of itself.
Click in this box to view it in full size. Well, you must be fair, the data sheet is always something like "at 25 C Junction" that you can not stop "always" in practice comply with the Nikolauzi
Which maximum luminous flux is achieved because? Or what total power consumption? The efficiency is all well and good, but if the example is only <1W educates that also helps only partially on.
Click in this box to view it in full size. The 208lm/Watt were achieved at 350mA. However, this was only a laboratory test of a prototype - from a real product that is still some time away. Promising always, but probably not this year.
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Click in this box to view it in full size. No, it's not so simple, you take the test to which the had 208 lumens, but it could just as well 104 lumens at 0.5 W have been But you can estimate the voltage. Their products move all between 3.2 and 4V So will most likely have moved on NP new when tested in the direction of 1.1 to 1.4 W Power it. To times to spin the idea further, that would be something great for a 3-fold or 7-fold optiled lamp. Determines the measurement results were achieved again in temperature ranges that you can never keep in practice. So the us certainly stay again only 2/3 of Effizients, but even this value would be a welcome improvement.
It could be that the luminous flux is the same as for example in a XP-G also to 350mA, the forward voltage was much lower, resulting in a higher efficiency (more Lm / W) results. But we still talk count your eggs. The LED's are always better, but as I do not expect great strides in a short time. Also for years It is already optiled talking about major advances in battery technology, optiled but the real growth optiled in capacity are hardly worth mentioning. Marko
No, it's not so simple, you take the test to which the had 208 lumens, but it could just as well 104 lumens at 0.5 W have been But you can estimate the voltage. Their products move all between 3.2 and 4V So will most likely have moved on NP new when tested in the direction of 1.1 to 1.4 W Power it.
Click in this box to view it in full size. Can read a simple sentence but not be that hard, though to "away"? There were produced 208 lumens, with an efficiency of 208 lumens per watt. I gather from the fact that exactly one watt of electrical power was put into it and exactly 208 lumens came out. 1 Watt: 350 mA = 2.86 volts. This is the real blast it, because in many Akku-/KSQ-Kombinationen optiled then results in air for a further optiled LED. Also at the Dynamo should loose 4 LEDs, 5 pieces in his series of road wheels in it.
Wait and see time .... are still all count your eggs .... go to the dynamo 4 leds yes now and very good ... greeting karsten
As mentioned before: Wait First of all what really comes out. Because at the bench with a selection-LED from 10000 produced and without regard to cost of production in series is very much possible. This measured LED there is a pure Vorführobjekt and has nothing to do with an LED in series exclusively produced. Soon I'll have the results optiled of the XP-G R5, R4 had yes at 25 C and 1000 mA "only" 248 lm instead of the specified 347 lm. Let's see if the R5 is better ... Greeting Thomas
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