MSL-1947HB3-5
Optical-Electrical Characteristics
@ T
A
=25
o
C
Item
Luminous Intensity
*1
Forward Voltage
*1
Dominant Wavelength
*1
Threshould Voltage
Reverse Voltage
Reverse Current
Conditions
I
F
=5mA
I
F
=5mA
I
F
=5mA
I
F
=10uA
I
R
=10uA
V
R
=5Vaaa
Symbol
I
V
V
F
λ
d
V
th
V
R
I
R
Min .
11
2.7
465
2.0
10.0
-
Typ .
-
-
470
-
-
-
Max .
-
3.5
475
3.0
-
50.0
Unit .
mcd
V
nm
V
V
µA
*1)These values measured by Optical Spectrum Analyzer of UnityOpto Co., Ltd and tolerances are followings as below
-Luminous Intensity(Iv):+ 2mcd, Forward Voltage(VF)=+ 0.2V, Dominant Wavelength(λd) :+ 2nm
Relative Luminous Intensity
Typical Optical-Electrical Characteristic Curves
Forward Current I
F
(mA)
1
30
25
20
15
10
5
0
0
1
2
3
4
0.5
0
380
450
520
590
660
Forward Current I
F
(mA)
40
30
20
10
0
0
Relative Luminous Intensity
Normalized at I
F
=20mA
Wavelength (nm)
FIG.1 RELATIVE INTENSITY LUMINOUS
VS. WAVELENGTH
Forward Voltage (V)
FIG.2 FORWARD CURRENT VS.
FORWARD VOLTAGE
1.5
1.25
1
0.75
0.5
0.25
0
0
5
10
15
20
25
30
Relative Luminous Intensity
Relative Luminous Intensity
Ambient Temperature (
o
C
)
FIG.3 FORWARD CURRENT VS.
AMBIENT TEMPERATURE
25
50
75
100
Forward Current I
F
(mA)
FIG.4 RELATIVE LUMINOUS INTENSITY
VS. FORWARD CURRENT
0
o
10
o
20
o
30°
40°
1.0
0.9
0.8
0.5 0.3 0.1
0.2 0.4 0.6
50°
60°
70°
80°
90°
10
1
0.1
Ambient Temperature (
C
)
FIG.5 LUMINOUS INTENSITY VS.
AMBIENT TEMPERATURE
0
25
50
75
o
FIG.6 RADIATION DIAGRAM
Unity Opto Technology Co., Ltd.
09/30/2003
UOT [ UNITY OPTO TECHNOLOGY ]
