SML-020 查看數據表（PDF） - ROHM Semiconductor
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SML-020 Datasheet PDF : 6 Pages
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Light Emitting Diodes
!Electrical characteristics4 (SML-020MYT)
50
20
Yellow
10
5.0
Ta=25°C
1.6
1.4
1.2
IF=20mA
2.0
Green
1.0
0.5
0.2
0.1
1.5
2.0
2.5
3.0
FORWARD VOLTAGE : VF (V)
Fig. 23 Forward current
Fig. 3 vs. forward voltage
1.0
Green
0.8
Yellow
0.6
0.4
-20 0 20 40 60 80
CASE TEMPERATURE : Tc (˚C)
Fig. 24 Luminous intensity vs.
case temperature
SML-020 Series
5
Ta=25˚C
2
Yellow
1
Green
0.5
0.2
0.1
0.05
0.02
0.01
0.5 1 2
5 10 20 50 100
FORWARD CURRENT : IF (mA)
Fig. 25 Luminous intensity vs.
forward current
6
5
4
3
2.4
2
1
5 10 20 50 102
103
104
PULSE DURATION : Tw (µs)
Fig. 26 Maximum tolerable peak current
vs. pulse duration
Yellow, GREEN
3.0
2.5
2.0
f=1kHz
DC
1.5
DF=50%
1.0
20%
0.5
15%
10%
5%
0
0 10 20 30 40 50 60
PEAK FORWARD CURRENT : IF peak (mA)
Fig. 27 Luminous intensity vs.
peak forward current
30
20
Green
Yellow
10
0
0 10 20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE : Ta (˚C)
Fig. 28 Maximum forward current
vs. ambient temperature
!Electrical characteristics5 (SML-020PDT)
50
Ta=25°C
20
Orange
Pure Green
10
5.0
2.0
1.0
0.5
1.6
1.4
Pure Green
1.2
Orange
1.0
0.8
IF=20mA
0.2
0.1
1.5
2.0
2.5
3.0
FORWARD VOLTAGE : VF (V)
0.6
0.4
-20 0 20 40 60 80
CASE TEMPERATURE : Tc (˚C)
Fig. 29 Forward current
Fig. 3 vs. forward voltage
Fig. 30 Luminous intensity vs.
case temperature
5
Ta=25˚C
2
1
0.5
0.2
Pure Green Orange
0.1
0.05
0.02
0.01
0.5 1 2
5 10 20 50 100
FORWARD CURRENT : IF (mA)
Fig. 31 Luminous intensity vs.
forward current
5/6
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