- Luminus flux calculator

CREE XM-L

change led type

link (datasheet or manufacturer page)

View color bins

Bin:	S4S5S6T2T3T4T5T6U2U3(?) U4(?) U5(?) U6(?) V2(?) V3(?) V4(?) V5(?) V6(?) W2
Current:		, mA
Temperature:		, °C (optional field)

Current must be integer value in range 99..3000
Temperature must be integer value in range 25..151

calculate
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Luminous flux of CREE XM-L U2 bin @1000 mA is 423 lm power consumption is 2.98 Wt, efficiency 142.1 lm/Wt

choose circuit board ( I_max=1000mA ± 10% ) choose limiting resistor ( I=1000mA )