PLASTIC INFRARED
LIGHT EMITTING DIODE
QED522 QED523
Fig. 1 Normalized Radiant Intensity vs. Forward Current
Fig. 2 Forward Voltage vs. Ambient Temperature
10
2.0
I
= 50 mA
Normalized to:
F
I
t
= 100 mA Pꢁlsed
F
= 100 µs
pw
I
I
= 100 mA
= 10 mA
F
F
Dꢁty Cycle = 0.1 %
= 25°C
1
0.1
1.5
1.0
0.5
0.0
T
A
I
= 20 mA
F
0.01
0.001
Normalized to:
I
t
Pꢁlsed
F
= 100 µs
pw
Dꢁty Cycle = 0.1 %
1
10
100
1000
ꢀ40
ꢀ20
0
20
40
60
80
100
I
F
ꢀ FORWARD CURRENT (mA)
T
A
ꢀ AMBIENT TEMPERATURE (°C)
Fig. 3 Normalized Radiant Intensity vs. Wavelength
1.0
Fig. 4 Radiation Diagram
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
100
80
110
70
120
60
130
50
140
40
150
160
170
30
20
10
0
180
0.2
0.0
0.2
0.4
0.6
0.8
1.0
1.0
0.8
0.6
0.4
775
800
825
850
875
900
925
950
λ(nm)
© 2002 Fairchild Semicondꢁctor Corporation
Page 3 of 4
6/13/02
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