CREE XM-L T6 LED - Ningbo M&F Optoelectronics Limited

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CREE XM-L T6 LED

Cree is a LED manufacturing company based in Durham, North Carolina. They produce a number of different models of high output LED's that are widely used in flashlights. They do not actually make flashlights, though some companies will describe their product as a "Cree flashlight." This refers to the LED inside the flashlight.

XM-L

Larger die LED first available in November 2011, offering efficacy of 160 lumens per watt at 350mA. Output is 260-280 lumens at 700mA (bins T5 and T6) therefore it is more efficient and puts out more light at any current than earlier single-die Cree LED's. However the biggest improvement to overall output is the XM-L can be driven to 3000mA for 910-975 lumens of output. The LED die is 2mm x 2mm on a 5mm x 5mm substrate with 6 yellow strips and 3 bonding wires as opposed to the XP-G with 4 strips and 2 bonding wires and the XP-E with 3 strips and 2 bonding wires. The first production lights to feature the XM-L were versions of the ThruNite Catapult V2 (first to ship), EagleTac M3C4, a 4Sevens Quark MiNi, and the JETBeam M1xm, introduced in December 2010, but budget retailer KaiDomain had LED's and P60 drop-ins as well as P60 lights around the same time. Neutral and warm tints began shipping in March 2011.

Brightness Bins for Cree XM-L
(max is U2 bin)
Bin	700mA 100%	1000mA 137.5%	1500mA 195%	3000mA 325%
T2	200-220	275-303	390-429	650-715
T3	220-240	303-330	429-468	715-780
T4	240-260	330-358	468-507	780-845
T5	260-280	358-385	507-546	845-910
T6	280-300	385-413	546-585	910-975
U2	300-320	413-440	585-624	975-1040
U3*	320-340	440-468	624-663	1040-1105

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