LA-401
D
/
N
Series
LED displays
Rev.D 3/4
』Electrical and optical characteristic curves
Fig.1 Forward Current - Forward Voltage
LA-401MD
LA-401MN
LA-401VD
LA-401VN
LA-401BD
LA-401BN
LA-401XDLA-401XD
LA-401XNLA-401XN
LA-401ED
0.11 2 3 4 5
Forward Current:I
F
(mA)
Forward Voltage:VF(V)
Ta=25°C
100
1
10
LA-401EN
LA-401AD
LA-401AN
Fig.2 Relative Luminous Intensity - Forward Current
0.011
0.10
1.00
10.00
10
100
Relative Luminous Intensity
Forward Current:IF(mA)
LA-401XDLA-401XD
LA-401XNLA-401XN
LA-401ED
LA-401EN
LA-401AD
LA-401AN
LA-401MD
LA-401MN
LA-401VD
LA-401VN
LA-401BD
LA-401BN
Ta=25°C
Fig.3 Relative Luminous Intensity - Case Temperature
0.4-25 -15 -5 5 15 25 35 45 55 65 75
0.6
1.2
1.4
1.6
Case Temparature (°C)
IF=10mA
Relative Luminous Intensity
0.8
1
LA-401MD
LA-401MN
LA-401VD
LA-401VN
LA-401BD
LA-401BN
LA-401XDLA-401XD
LA-401XNLA-401XN
LA-401ED
LA-401EN
LA-401AD
LA-401AN
Fig.4 Ratio of Maximum Tolerable Peak Current - Pulse Duration
( Ι
)
1
1 10 100 1000 10000
10
5
Pulse Duration tw(μs)
50kHz
10kHz
20kHz
5kHz
1kHz
200Hz
500Hz
100Hz
2kHz
Ratio of Maximum Tolerance Peak
Current to Maximum Tolerance DC Current
( )
IF peak Max.
IF Max.
LA-401BD
LA-401BN
Fig.5 Ratio of Maximum Tolerable Peak Current - Pulse Duration
( ΙΙ
)
Ratio of Maximum Tolerance Peak
Current to Maximum Tolerance DC Current
( )
IF peak Max.
IF Max.
1
1 10 100 1000 10000
10
Pulse Duration : Tw (μs)
50kHz
20kHz
10kHz
5kHz
2kHz
1kHz
500Hz
200Hz
100Hz
LA-401XDLA-401XD
LA-401XNLA-401XN
LA-401ED
LA-401EN
LA-401AD
LA-401AN
Fig.6 Ratio of Maximum Tolerable Peak Current - Pulse Duration
( ΙΙΙ
)
LA-401MB
LA-401ML
1
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
( )
I
F
peak Max.
I
F
Max.
10
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