
AND4BC
InGaN Ultra Bright Blue Chip LEDs Ultra Bright LED Lamps
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 •
sales@purdyelectronics.com
7/18/07
www.purdyelectronics.com
I
F
– T
a
Ambient Temperature T
a
(°C)
Allowable Forward Current I
F
(mA)
0 20 40 60 80 100
0
10
20
30
40
350 400
450
500
550
600
0
0.2
0.4
0.6
0.8
1.0
Relative Luminous Intensity – Wavelength
Wavelength λ (nm)
Relative Luminous Intensity
I
F
= 20 mA
T
a
= 25°C
Radiation Pattern
T
a
= 25°C
90°
80°
70°
60°
50°
40°
30°
20°
10°
0°
10°
20°
30°
40°
50°
60°
70°
80°
90°
0.200.40.80.6
Forward Current I
F
(mA)
135
10
30 50 100
1
100
10
I
V
– I
F
Luminous Intensity I
V
(mcd)
T
a
= 25°C
-20
0
20
40
60
80
I
V
– T
C
Case Temperature T
C
(°C)
Relative Luminous Intensity
T
a
= 25°C
1
100
10
1000
I
F
– V
F
2.8
3.2
3.6 4.0 4.4
4.8
10
20
30
40
50
Forward Voltage V
F
(V)
Forward Current I
F
(mA)
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