AlGaAs/GaAs T-1 3/4 PACKAGE
INFRARED EMITTING DIODE
MIE-824A4
Description
Package Dimensions
The MIE-824A4 is an infrared emitting diode utilizing
GaAs with AlGaAs window coation chip technology.
It is molded in water clear plastic package.
Features
l
High radiant power and high radiant intesity
l
Peak wavelength
p
= 940 nm
l
Good spectral matching to si-photodetector
l
Radiant angle: 120
Absolute Maximum Ratings
@ T
A
=25
o
C
Parameter
Maximum Rating
Unit
Power Dissipation
120
mW
Peak Forward Current
1
A
Continuous Forward Current
100
mA
Reverse Voltage
5
V
Operating Temperature Range
Storage Temperature Range
Lead Soldering Temperature
02/04/2002
-55
o
C to +100
o
C
-55
o
C to +100
o
C
260
o
C for 5 seconds
Unity Opto Technology Co., Ltd.
Unit: inches
Notes :
1. Tolerance is 0.25 mm (.010") unless otherwise noted.
2. Protruded resin under flange is 1.5 mm (.059") max.
3. Lead spacing is measured where the leads emerge from the package.
A
C
2.54 NOM.
(.100)
SEE NOTE 2
5.00
(.197)
1.00
(.039)
5.80
(.228)
0.50 TYP.
(.020)
1.00MIN.
(.039)
SEE NOTE 3
4.30
(.169)
23.40 MIN.
(.921)
FLAT DENOTES CATHODE
MIE-824A4
Optical-Electrical Characteristics
@ T
A
=25
o
C
Parameter
Test Conditions
Symbol
Min.
Typ .
Max.
Unit
Radiant Intensity
I
F
=20mA
Ie
0.8
mW/sr
Forward Voltage
I
F
=50mA
V
F
1.30
1.50
V
Reverse Current
V
R
=5V
I
R
100
A
Peak Wavelength
I
F
=20mA
940
nm
Spectral Bandwidth
I
F
=20mA
50
nm
View Angle
I
F
=20mA
2
1/2
120
deg .
Typical Optical-Electrical Characteristic Curves
02/04/2002
Unity Opto Technology Co., Ltd.
-55 -25
0
25
50
75 100 125
0.0
0.5
1.0
1.5
2.0
2.5
3.0
-40
-20
0
20
40
60
Ambient Temperature T
A
(
o
C)
FIG.4 RELATIVE RADIANT INTENSITY
VS. AMBIENT TEMPERATURE
Output Power To Value I
F
=20mA
0
20
40
60
80
100
0.8
1.2
1.6
2.0
2.4
2.8
Forward Voltage (V)
FIG.3 FORWARD CURRENT VS.
FORWARD VOLTAGE
Forward Current (mA)
0
1
2
3
4
5
0
20
40
60
80
100
Output Power Relative To
Value at I
F
=20mA
Forward Current (mA)
FIG.5 RELATIVE RADIANT INTENSITY
VS. FORWARD CURRENT
Relative Radiant Intensity
1.0
0.9
0.8
0.5 0.3 0.1 0.2 0.4 0.6
0 10 20
FIG.6 RADIANTION DIAGRAM
0
0.5
1
780 820 860 900 940 980
Ambient Temperature T
A
(
o
C)
FIG.2 FORWARD CURRENT VS.
AMBIENT TEMPERATURE
Forward Current I
F
(mA)
Wavelength (nm)
FIG.1 SPECTRAL DISTRIBUTION
Relative Radiant Intensity
100
0
50
60
70
80
90
30
90
70
60
50
80
40
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