Surface Mount Chip LEDs
MSL-174HR
Description
The MSL-174HR, a ORANGE source Chip
LED device, is designed in an indnstry standard
package suitable for SMT assembly method. It
utilizes GaAsP on GaP LED chip technology
and water clear epoxy package.
Applications
l
Small Size
l
Industry Standard Footprint(0805)
l
Compatible with IR Solder process
l
Availalble in 8 mm Tape on 7"(178mm)
Diameteer Reels
Features
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Push-Button Backlighting
l
LCD Backlighting
l
Symbol Backlighting
l
Front Panel Indicator
Absolute Maximum Ratings
Parameter
Symbol
Maximum Rating
Unit
Peak Forward Current(1/10 Duty Cycle@1KHz )
I
FP
120
mA
DC Forward Current
I
F
25
mA
Power Dissipation
P
D
70
mW
Reverse Voltage
V
R
5
V
Operating Temperature Range
T
OPR
-20
o
C
to +80
o
C
Storage Temperature Range
T
STG
-30
o
C
to +100
o
C
11/24/2000
Unity Opto Technology Co., Ltd.
@ T
A
=25
o
C
NOTE:
1. All dimensions are in millimeter (inches)
2. Tolerance is 0.1mm (.004") unless otherwise specified.
POLARITY
Recommended Solder Patterns
Package Dimensions
1.25
(0.049)
1.20
(0.047)
0.90
(0.035)
1.20
(0.047)
CATHODE MARK
0.30
( 0.012 )
1.40
(0.055)
0.80
(0.031)
2.0
( 0.079)
1.20
(.047)
0.40
(0.016)
SOLDERING
TERMINAL
1.25
( 0.049 )
PCB
R0.2
(0.008)
MSL-174HR
Optical-Electrical Characteristics
Parameter
Test Conditions
Symbol
Min .
Typ .
Max .
Unit .
Luminous Intensity
I
F
=20mA
I
V
5.4
11.5
-
mcd
Forward Voltage
I
F
=20mA
V
F
-
2.2
2.5
V
Reverse Current
I
R
-
-
10
A
Peak/Dominant Wavelength
I
F
=20mA
p/
d
-
630/618
-
nm
Spectral Linewidth
IF=20mA
-
35
-
nm
Viewing Angle
I
F
=20mA
2
1/2
-
130
-
deg.
Typical Optical-Electrical Characteristic Curves
11/24/2000
V
R
=5V
@
T
A
=25
o
C
Unity Opto Technology Co., Ltd.
Forward current (mA)
FIG. 4 RELATIVE LUMINOUS INTENSITY
VS. FORWARD CURRENT.
Ambient Temperature (
o
C
)
FIG.5 LUMINOUS INTENSITY VS.
AMBIENT TEMPERATURE
Ambient Temperature( )
FIG. 3 FORWARD CURRENT
VS. AMBIENT TEMPERATURE.
Forward Voltage (V)
FIG.2 FORWARD CURRENT
VS. FORWARD VOLTAGE.
Forward Current I
F
(mA)
Relative Luminous Intensity
( Normalized at I
F
=20 mA )
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0
5
10
15
20
25
Relative Luminous Intensity
Wavelength (nm)
FIG.1 RELATIVE INTENSITY LUMINOUS
VS. WAVELENGTH
0.5 0.3 0.1 0.2 0.4 0.6
Relative Luminous Intensity
1.0
0.9
0.8
0
o
10
o
20
o
FIG.6 RADIATION DIAGRAM
90
70
30
40
60
50
80
Relative Luminous Intensity
Forward Current I
F
(mA)
0
10
20
30
40
0
25
50
75
100
0.1
1
10
0
20
30
50
70
90
0
0.5
1
560
595
630
665
700
0
5
10
15
20
25
30
1.0 1.5 2.0 2.5 3.0
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