And420hwa – Purdy AND420HWA User Manual
Page 2

AND420HWA
InGaN High Brightness White Light Emission
Ultra Bright LED Lamps
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com
10/16/07
-20
0
20
40
60
80
0.1
0.3
0.5
1
3
I
V
– T
C
Case Temperature T
C
(ºC)
Relative Luminous Intensity
I
F
– T
a
Ambient Temperature T
a
(ºC)
Allowable Forward Current I
F
(mA)
0
20
40
60
80
100
0
10
20
30
40
200
300
400
500
600
700
800
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
= 25ºC
Radiation Pattern
Ta = 25ºC
90º
80º
70º
60º
50º
40º
30º
20º
10º
0º
10º
20º
30º
40º
50º
60º
70º
80º
90º
0.2
0
0.4
0.8
0.6
2.5
2.75
3.0
3.25
3.5
3.75
4.0
1
3
5
10
30
50
I
F
– V
F
Forward Voltage V
F
(V)
Forward Current I
F
(mA)
T
a
= 25ºC
1
10
100
1000
10000
Ta = 25ºC
IV – VF
Forward Current IF (mA)
Luminous Intensity I
V
(mcd)
5000
3
5
30
300