trademarks of Cree, Inc.

2

XLamp CXa2540 LED

characteristics

characteristics

unit

minimum

typical

maximum

viewing angle (FWHm)

degrees

115

eSD withstand voltage (HBm per mil-Std-883D)

v

8000

DC forward current

mA

2100*

Reverse current

mA

0.1

Forward voltage (@ 1100 mA, T

v

37

Forward voltage (@ 1100 mA, T

v

42

*

Refer to the operating Limits section.

oPerating limits

The maximum current rating of the CXA2540 is dependent on the case temperature (Tc) when the LeD has reached

thermal equilibrium under steady-state operation. please refer to the mechanical Drawings section on page 16 for the

location of the Tc measurement point.

CXA2540

0

300

600

900

1200

1500

1800

2100

2400

0

25

50

75

100

125

150

Case Temperature (°C)