LF-301
A/
K
Series
LED displays
Rev.B 3/3
』Electrical and optical characteristic curves
LF-301MA
LF-301MK
LF-301VA
LF-301VK
Fig.1 Forward Current - Forward Voltage
0.11 1.5 2 2.5 3
1
10
100
Ta=25°C
Forward Voltage:VF(V)
Forward Current:I
F
(mA)
Fig.2 Relative Luminous Intensity - Forward Current
0.011
0.10
1.00
10.00
10
100
Relative Luminous Intensity
Forward Current:IF(mA)
Ta=25°C
Fig.3 Relative Luminous Intensity - Case Temperature
Fig.4 Ratio of Maximum Tolerable Peak Current - Pulse Duration
( Ι
)
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
LF-301MA
LF-301MK
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
Fig.5 Ratio of Maximum Tolerable Peak Current - Pulse Duration
( ΙΙ
)
11 10 100 1000 10000
10
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.
LF-301VA
LF-301VK
Fig.6 Derating
0%
-25 -15 -5 5 15 25 35 45 55 65 75 85
20%
40%
60%
80%
100%
120%
Forward Current (%)
Ambient Temperature(°C)
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