U series
Forward Current Derating Curve
Forward Current vs. Forward Voltage*
Luminous Intensity vs. Ambient Temperature
(1F=20mA)
(Ta=25˚C)
100
1000
35
50
20
500
200
30
25
20
15
10
10
5
100
50
3
2
5
0
20
10
1
0.5
-20
0
20
40
60
80
100
2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0
-20
0
20
40
60
80
100
Ambient temperature Ta(˚C)
Forward voltage VF(V/seg)
Ambient temperature Ta(˚C)
Peak Forward Current Derating Curve
Luminous Intensity vs. Forward Current
Duty Ratio vs. Peak Forward Current
(Ta=25˚C)
(Ta=25˚C)
(Duty ratio1/10)
500
500
300
150
100
200
150
100
100
50
50
30
20
10
5
50
0
10
5
2
1
-20
0
20
40
60
80
100
0.1 0.2
1
2
5
10
20
50
1/50
1/20
1/10
1/5
1/2
1
0.5
Ambient temperature Ta(˚C)
Forward current IF(mA/seg)
Duty ratio DR
* In case of 25.4/38.1/76.0mm: value per 1segment 1chip
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44 (Notice)
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