QED121 Просмотр технического описания (PDF) - QT Optoelectronics => Fairchildsemi
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QED121 Datasheet PDF : 2 Pages
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QED121/122/123
PLASTIC INFRARED LIGHT EMITTING DIODE
TYPICAL PERFORMANCE CURVES
10
Normalized to:
IF= 100 mA, TA = 25˚C
Pulse Width = 100 µs
1
0.1
0.01
0.001
1
10
100
1000
IF - INPUT CURRENT (mA)
Fig. 1 Normalized Radiant Intensity vs. Input Current
1
Normalized to:
0.8
IF = 100 mA
Pulse Width = 100 µs
Duty Cycle = 0.1%
VCC = 5 V
RL = 100 #
0.6
TA = 25˚C
IF = 20 mA
0.4
0.2
0
0
1
2
3
4
5
6
LENS TIP SEPERATION (INCHES)
Fig. 2 Coupling Characteristics of QED12X and QSD12X
2.5
IF = 100 mA
IF = 50 mA
2
1.5
1
IF = 10 mA
IF = 20 mA
0.5
Pulse Width = 100 µs
Duty Cycle = 0.1%
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
TA - TEMPERATURE (˚C)
Fig. 3 Forward Voltage vs. Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
775
800
825
850
875
900
925
950
! (nm)
Fig. 4 Normalized Radiant Intensity vs. Wavelength
Fig. 5 Radiation Pattern
10
20
30
40
0˚ -10
-20
-30
-40
50
-50
60
-60
70
-70
80
-80
90
-90
100 80 60 40 20
0
20 40 60 80 100
2 of 2
100021B
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