BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BL-BG43V1
● Electrical and optical characteristics(Ta=25℃)
Parameter
Forward Voltage
Symbol Condition
Min.
Typ.
3.5
Max.
Unit
V
VF
Iv
IF=20mA
IF=20mA
VR=5V
-
4.0
Luminous Intensity
Reverse Current
Peak Wave Length
Dominant Wave Length
Spectral Line Half-width
Viewing Angle
-
3500
-
-
mcd
µA
nm
nm
nm
deg
IR
-
100
λp
λd
∆λ
2θ1/2
IF=20mA
IF=20mA
IF=20mA
IF=20mA
-
505
-
500
510
-
-
35
25
-
-
● Typical electro-optical characteristics curves
Fig.1 Relative intensity vs. Wavelength
Fig.2 Forward current derating curve
vs. Ambient temperature
1.0
60
50
40
30
20
0.5
10
0
0
455
505
555
20
40
60
80
100
Wavelength λ(nm)
Ambient temperature Ta(℃)
Fig.3 Forward current vs. Forward voltage
Fig.4 Relative luminous intensity
vs. Ambient temperature
50
40
30
20
10
0
3.0
2.5
2.0
1.5
1.0
0.5
0
1
2
3
4
5
-40
-20
0
20
40
60
Forward voltage(V)
Ambient temperature Ta(℃)
Fig.5 Relative luminous intensity
vs. Forward current
Fig.6 Radiation diagram
0
10
20
2.0
30
1.5
1.0
40
50
1.0
0.9
0.8
60
70
0.5
0
0.7
80
90
10
20
30
40
50
0.5
0.3
0.1
0.2
0.4
0.6
Forward current (mA)
Ver.1.0 Page: 2 of 3
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