BB-B4574 데이터 시트보기 (PDF) - BRIGHT LED ELECTRONICS CORP
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BB-B4574
BRIGHT LED ELECTRONICS CORP
BB-B4574 Datasheet PDF : 2 Pages
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BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BB-B4574
● Electrical and optical characteristics(Ta=25℃)
Parameter
Symbol Condition Min.
Pulse Rate
Pd
VDD=5V
2.0
Luminous Intensity
Peak Wave Length
Dominant Wave Length
Spectral Line Half-width
Iv
IF=20mA
-
λp
IF=20mA
-
λd
IF=20mA
617
∆λ
IF=20mA
-
Viewing Angle
2θ1/2
IF=20mA
-
Typ.
2.4
60
640
-
40
45
Max.
2.8
-
-
638
-
-
● Typical electro-optical characteristics curves
Fig.1 Relative intensity vs. Wavelength
1.0
Fig.2 Forward current derating curve
vs. Ambient temperature
60
50
40
0.5
30
20
0
540
640
740
Wavelength λ(nm)
10
0
20
40
60
80
100
Ambient temperature Ta(℃)
Unit
Hz
mcd
nm
nm
nm
deg
Fig.3 Forward current vs. Forward voltage
50
40
30
20
10
0
1
2
3
4
5
Forward voltage(V)
Fig.4 Relative luminous intensity
vs. Ambient temperature
3.0
2.5
2.0
1.5
1.0
0.5
0
-40
-20
0
20
40
60
Ambient temperature Ta(℃)
Fig.5 Relative luminous intensity
vs. Forward current
2.0
1.5
1.0
0.5
0
10
20
30
40
50
Forward current (mA)
Fig.6 Radiation diagram
0 10
20
30
1.0
40
0.9
50
0.8
60
70
0.7
80
90
0.5 0.3 0.1
0.2 0.4 0.6
Ver.2.0 Page: 2 of 2
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