Microsemi

580 Pleasant Street, Watertown, MA. 02472-2408, 617-926-0404, Fax: 617-924-1235

Page 2

Copyright

 2002

Rev. 0.02, 2003-06-03

UPBLED470A

HIGH BRIGHTNESS BLUE LED

•

Change in Radiant Intensity with temperature –1.4µW/sr/°C (25°C < temp< 85°C)

•

Change in Radiant Intensity with temperature 0.7µW/sr/°C (25°C < temp< -40°C)

DIRECTIVITY

Polar Plot of Angular Intensity

ELECTRICAL PARAMETERS @ 25°C & ID=20 mA (unless otherwise specified)

Characteristic

Symbol

Test Conditions

Min

Typ.

Max

Units

Radiant Intensity

DC Drive Current = 20 mA

DC Drive Current = 30 mA

DC Drive Current = 50 mA

700

950

1,300

µW/sr

Luminous Intensity

DC Drive Current = 20 mA

DC Drive Current = 30 mA

DC Drive Current = 50 mA

35

50

75

100

mcd

Dominant Wavelength

DC Drive Current = 20 mA

468

nm

Peak Wavelength

DC Drive Current = 20 mA

460

nm

Chrom x

Chrom y

DC Drive Current = 20 mA

.125

.09

Angle Coverage to 50% points

α1/2

DC Drive Current = 20 mA to 50mA

140

deg.

Radiant Flux

DC Drive Current = 20 mA

DC Drive Current = 30 mA

DC Drive Current = 50 m

2

2.8

4

mW

Luminous Flux

DC Drive Current = 20 mA

DC Drive Current = 30 mA

DC Drive Current = 50 m

190

250

350

mlm

Forward Voltage

DC Drive Current = 20 mA

DC Drive Current = 30 mA

DC Drive Current = 50 mA

3.5

3.9

4.5

3.9

V

Reverse Leakage Current

Reverse Voltage = 5 V

10

µA

Forward Voltage

3.9

V