L1909 查看數據表（PDF） - Hamamatsu Photonics
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L1909 Datasheet PDF : 4 Pages
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Infrared LED
L1909
Emission spectrum
100
(Typ. Ta=25 °C, IF=50 mA)
Radiant flux vs. forward current
1000
(Typ. Ta=25 °C, tw=100 μs, 0.1%)
80
100
60
10
40
1
20
0
700
800
900
Wavelength (nm)
1000
KLEDB0117EB
Forward current vs. forward voltage
1000
(Typ. Ta=25 °C, tw=100 μs, 1%)
100
10
1
1.0
1.5
2.0
2.5
3.0
Forward voltage (V)
KLEDB0121EA
0.1
1
10
100
Forward current (mA)
1000
KLEDB0120EB
Directivity
20°
30°
(Typ. Ta=25 °C)
10°
0°
10°
20°
100
%
30°
80%
40°
60%
40°
50°
50°
40%
60°
60°
70°
20%
70°
80°
80°
90°
90°
Relative radiant output (%)
KLEDB0118EA
2
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