Surface Mount Chip LEDs
MSL-154Y
Description
The MSL-154Y, a YELLOW 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(1206)
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
80
mA
DC Forward Current
I
F
25
mA
Power Dissipation
P
D
68
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.
Package Dimensions
POLARITY
1.60
0.063
1.50
(0.059)
2.0
(0.079)
1.50
(0.059)
CATHODE MARK
0.50
( 0.020 )
2.00
(0.079)
1.10
(0.043)
3.20
( 0.126 )
1.5
(.059)
Recommended Solder Patterns
0.50
(0.020)
SOLDERING
TERMINAL
1.60
( 0.063 )
PCB
R0.4
(0.016)
MSL-154Y
Optical-Electrical Characteristics
Parameter
Test Conditions
Symbol
Min .
Typ .
Max .
Unit .
Luminous Intensity
I
F
=20mA
I
V
4.0
9.0
-
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
-
583/585
-
nm
Spectral Linewidth
IF=20mA
-
32
-
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.
Ambient Temperature (
o
C
)
FIG.5 LUMINOUS INTENSITY VS.
AMBIENT TEMPERATURE
0
10
20
30
40
0
25
50
75
100
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
Forward current (mA)
FIG. 4 RELATIVE LUMINOUS INTENSITY
VS. FORWARD CURRENT.
Relative Luminous Intensity
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)
0.1
1
10
-30
-10
10
30
50
70
0
0.5
1
500
550
600
660
720
Wavelength (nm)
FIG.1 RELATIVE INTENSITY LUMINOUS
VS. WAVELENGTH
1.0 1.5 2.0 2.5 3.0
0
5
10
15
20
25
30
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