Purdy AND4BC - Manual (Page 2)

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 • [email protected] 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
Ta = 25°C
90 °
80 °
70 °
60 °
50 °
40 °
30 °
20 °
10 ° 0° 10°
20 °
30 °
40 °
50 °
60 °
70 °
80 °
90 °
0.2 0 0.4 0.8 0.6
Forward Current I
F
(mA)
1 3 5 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)