MSL-194UR
Optical-Electrical Characteristics
Parameter
Luminous Intensity
Forward Voltage
Reverse Current
Peak/Dominant Wavelength
Spectral Linewidth
Viewing Angle
1
Relative Luminous Intensity
@
T
A
=25
o
C
Symbol
I
V
V
F
I
R
λ
p/
λ
d
∆λ
2θ
1/2
30
25
20
15
10
5
0
1
1.5
2
2.5
3
Test Conditions
I
F
=20mA
I
F
=20mA
V
R
=5V
I
F
=20mA
IF=20mA
I
F
=20mA
Min .
15
-
-
-
-
-
Typ .
31.5
2.1
-
660/640
20
130
Max .
-
2.5
10
-
-
-
Unit .
mcd
V
µA
nm
nm
deg.
Typical Optical-Electrical Characteristic Curves
Forward Current I
F
(mA)
615
640
665
690
715
0.5
0
590
Wavelength (nm)
FIG.1 RELATIVE INTENSITY LUMINOUS
VS. WAVELENGTH
Forward Current I
F
(mA)
40
Forward Voltage (V)
FIG.2 FORWARD CURRENT
VS. FORWARD VOLTAGE.
Relative Luminous Intensity
( Normalized at I
F
=20 mA )
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
5
10
15
20
25
30
20
10
0
0
25
50
75
100
Ambient Temperature( )
FIG. 3 FORWARD CURRENT
VS. AMBIENT TEMPERATURE.
Relative Luminous Intensity
10
Forward current (mA)
FIG. 4 RELATIVE LUMINOUS INTENSITY
VS. FORWARD CURRENT.
Relative Luminous Intensity
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°
1
0.1
-30
-10
10
30
50
70
Ambient Temperature (
o
C
)
FIG.5 LUMINOUS INTENSITY VS.
AMBIENT TEMPERATURE
FIG.6 RADIATION DIAGRAM
Unity Opto Technology Co., Ltd.
11/24/2000
UOT [ UNITY OPTO TECHNOLOGY ]
