BL-BF331 Datasheet, PDF (2/3 Pages) BRIGHT LED ELECTRONICS CORP – Chip material: AlGaAs/ AlGaAs

BRIGHT LED ELECTRONICS CORP.
SINCE 1981
BL-BF331-AT
● Electrical and optical characteristics(Ta=25℃)
Parameter
Symbol Condition
Forward Voltage
Luminous Intensity
Reverse Current
Peak Wave Length
Dominant Wave Length
Spectral Line Half-width
Viewing Angle
V_F
Iv
I_R
λp
λd
∆λ
2θ_1/2
I_F=20mA
I_F=20mA
V_R=5V
I_F=20mA
I_F=20mA
I_F=20mA
I_F=20mA
● Typical electro-optical characteristics curves
Fig.1 Relative intensity vs. Wavelength
1.0
0.5
0
610
660
710
Wavelength λ (nm)
Min.
Typ.
Max.
-
2.1
2.6
-
500
-
-
-
100
-
660
-
-
643
-
-
20
-
-
25
-
Fig.2 Forward current derating curve
vs. Ambient temperature
60
50
40
30
20
10
0
20
40
60
80
100
Ambient temperature Ta(℃)
Unit
V
mcd
µA
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
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