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LED Lamp Characteristics Diagrams
Note)Characteristics shown in diagrams are typical values. (not assurance value)
UR series
TR series
(1F=20mA)
10
20
50
200
100
500
1000
-20 0 20 40 60 10080
Luminous Intensity vs. Ambient Temperature(Note)
Ambient temperature Ta(˚C)
Relative luminous intensity(%)
0.5
2
1
3
5
10
20
50
100
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
Forward Current vs. Forward Voltage(Note)
Forward voltage VF(V)
Forward current IF(mA)
(Ta=25˚C)
1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5
Luminous Intensity vs. Forward Current(Note)
Forward current IF(mA)
Relative luminous intensity(%)
(Ta=25˚C)
0
10
20
30
40
50
60
70
-20 0 20 40 60 1008085
Forward Current Derating Curve
Ambient temperature Ta(˚C)
Forward current IF(mA)
0
100
200
300
400
500
600
700
-20 0 20 40 60 10080
Peak Forward Current Derating Curve
Ambient temperature Ta(˚C)
Peak forward current IFM(mA)
1/50 1/20 1/10 1/5 1/2 1
Duty Ratio vs. Peak Forward Current
Duty ratio DR
Peak forward current IF(mA)
(Ta=25˚C)
0
10
20
30
40
50
60
-25 0 25 50 75 85 125100
Peak Forward Current Derating Curve
Ambient temperature Ta(˚C)
Peak forward current IFM(mA)
0
10
20
30
40
50
60
-25 0 25 50 75 85 125100
Forward Current Derating Curve
Ambient temperature Ta(˚C)
Forward current IF(mA)
0.1
0.5
1.0
5.0
10
50
100
1.0 1.2 1.4 1.6 1.8 2.0 2.4 2.62.2
Forward Current vs. Forward Voltage(Note)
Forward voltage VF(V)
Forward current IF(mA)
(Ta=25˚C)
1.0
5.0
10
50
100
500
1000
-20 0 20 40 60 80 120100
Luminous Intensity vs. Ambient Temperature(Note)
Ambient temperature Ta(˚C)
Relative luminous intensity(%)
(Ta=25˚C)
1.0
5.0
2.0
10
20
50
100
200
500
1000
0.1 0.2 0.5 1 2 5 10 20 50
Luminous Intensity vs. Forward Current(Note)
Forward current IF(mA)
Relative luminous intensity(%)
(Ta=25˚C)
1.0
5.0
2.0
10
20
50
100
200
500
1/50 1/20 1/1 0 1/5 1/2 1
Duty Ratio vs. Peak Forward Current
Duty ratio DR
Peak forward current IFM(mA)
(Ta=25˚C)
1
2
5
200
100
20
50
10
500
1
2
5
200
100
30
50
10
500
0.1 0.2
0.5
12 51020 50