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2011.04 - Rev.B
Data Sheet LB-402DN Series
Electrical and optical characteristic curves
Fig.1 Forward Current - Forward Voltage
LB-402MD
LB-402MN
LB-402VD
LB-402VN
0.1
1
10
100
1 1.5 2 2.5 3
Ta=25°C
Forward Voltage:V
F
(V)
Forward Current:I
F
(mA)
Fig.2
Relative Luminous Intensity - Forward Current
0.01
0.10
1.00
10.00
1 10 100
Relative Luminous Intensity
Forward Current:I
F
(mA)
Ta=25°C
Fig.3
Relative Luminous Intensity - Case Temperature
0.4
0.6
1.2
1.4
1.6
Case Temparature (°C)
I
F
=10mA
-25 -15 -5 5 15 25 35 45 55 65 75
Relative Luminous Intensity
0.8
1
Fig.4
Ratio of Maximum Tolerable Peak Current - Pulse Duration
( Ι )
LB-402MD
LB-402MN
1 10 100 1000 10000 100000
Pulse Duration : tw(µs)
30Hz
100Hz
300Hz
1kHz
3kHz
10kHz
30kHz
100kHz
300kHz
Ratio of Maximum Tolerable peak
Current to Maximum Forward Current
( )
IF peak Max.
I
F Max.
1
10
Fig.5
Ratio of Maximum Tolerable Peak Current - Pulse Duration
( ΙΙ )
1
10
1 10 100 1000 10000
Pulse Duration : tw(µs)
100Hz
200Hz
500Hz
1kHz
2kHz
5kHz
10kHz
20kHz
50kHz
Ratio of Maximum Tolerable peak
Current to Maximum Forward Current
( )
I
F
peak Max.
I
F
Max.
LB-402VD
LB-402VN
Fig.6 Derating
0%
20%
40%
60%
80%
100%
120%
Forward Current (%)
Ambient Temperature(°C)
-25 -15 -5 5 15 25 35 45 55 65 75 85