Surface Mount Bi-Color Chip LEDs
Description
The MSL-155xx , a series of bi-color Chip LED device ,
is designed in an industry standard package suitable for
SMT assembly method . This series contain different
combinations of Red & Green chips to provide broad
range choices in wavelength and intensity . They are
all molded in water clear epoxy package.
A
B
MSL-155XX SERIES
LED die
A (Short wavelength)
2.7
(.106)
+
+
2.0
(0.079)
LED die
B (Long wavelength)
Cathode mark
0.50
(.020)
Package Dimensions
1.6
(0.063)
3.2
(.126)
+
+
1.4
(0.055)
0.6
(0.024)
Features
l
l
l
l
PCB
0.60
(.024)
Small Size
Industry Standard Footprint
Compatible with IR Solder process
Availalble in 8 mm Tape on 7"(178mm)
Diameter Reels
0.5
(.02)
2.20
(0.087)
+
0.90
(0.036)
+
+
l
Dual color
Applications
l
l
l
l
+
0.9
(0.035)
(0.36)
Soldering Terminal
Polarity
Push-button backlighting
LCD backlighting
Symbol backlighting
Front panel indicator
NOTE:
1. All dimensions are in millimeter (inches)
2. Tolerance is ± 0.1mm (.004") unless otherwise specified.
Absolute Maximum Ratings
@ T
A
=25 C
Parameter
Peak Forward Current
DC Forward Current
Power Dissipation
Reverse Voltage ( I
R
= 100
µA
)
Operating Temperature Range
Storage Temperature Range
Notes:
1. Derate linearly as shown in figure 4 for temperatures above 25
o
C
(1)
o
Symbol
I
FP
I
F
P
D
V
R
T
OPR
T
STG
Maximum Rating
80
25
65
5
-20 to + 80
-30 to + 100
Units
mA
mA
mW
V
o
o
C
C
Unity Opto Technology Co., Ltd.
12/11/2000
MSL-155XX SERIES
Optical-Electrical Characteristics
Luminous
Part
Number
MSL-
Orange /
Yellow Green
155B1
High eff Red /
Yellow Green
155B2
Super Red /
Yellow Green
155B5
Orange /
Pure Green
155B6
Notes:
1.The luminous intensity, IV, is measured at the peak of the spatial radiation pattern which may not be aligned with the
mechanical axis of the lamp package.
2. 2θ
1/2
is the off-axis angle where the luminous intensity is 1/2 of the peak intensity.
Forward
Peak
Wavelength
λ
peak
(nm )
Viewing
Angle
2
θ
1/2
Degrees
(2)
Typ.
130
Intensity
Color
I
V
(mcd )
@ I
F =
20 mA
(1)
Min.
Typ.
14 / 35
Voltage
V
F
(Volts )
@ I
F
= 20mA
Typ.
2.1 / 2.2
Max.
2.6
Typ.
630 / 565
155B0
10 / 10
10 / 10
14 / 35
640 / 565
1.9 / 2.2
2.6
130
30 / 10
45 / 35
660 / 565
1.8 / 2.2
2.2 / 2.6
130
4.5 / 2.0
13 / 6
610 / 555
2.2
2.6
130
AlGaAs Red /
Pure Green
30 / 10
45 / 35
660 / 565
1.8/2.2
2.0/2.6
130
Typical Optial - Electrical Characteristic Curves
1
RELATIVE INTENSITY
GREEN
ORANGE
AlGaAs RED
0.5
HI-EFF RED
0
500
550
600
650
700
750
WAVELENGTH - nm
FIG. 1. Relative Intensity vs. Wavelength
Unity Opto Technology Co., Ltd.
12/11/2000
MSL-155XX SERIES
Recommended Solder Patterns
(.039)
1.00
1.50
(.059)
2.0
(0.079)
1.50
(.059)
Typical Optical - Electrical Characteristic Curves
30
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
5
10
15
20
25
20
15
10
5
0
0.0
1.0
RED
ORANGE
GREEN
2.0
3.0
4.0
Relative Luminous Intensity
( Normalized At 20 mA )
I
F
- Forward Current - mA
25
V
F
- Forward Voltage - V
FIG.2 FORWARD CURRENT
VS. FORWARD VOLTAGE.
40
l
DC
- DC Forward Current - mA
FIG. 3 RELATIVE LUMINOUS INTENSITY
VS.DC FORWARD CURRENT.
(.039)
1.00
0.4
.016
l
F
- Forward Current - mA
35
20
30
o
10
o
0
o
1
10
o
20
o
Normalized Intensity
30
25
20
15
10
5
0
0
20
40
60
80
100
30
o
40
o
40
50
60
o
70
o
80
o
90
o
o
o
.6
50
o
60
o
.2
70
o
80
o
90
o
TA - Ambient Temperature -
o
C
FIG. 4 MAXIMUM DC CURRENT
VS. AMBIENT TEMPERATURE
FIG 5. RADIATION DIAGRAM
Unity Opto Technology Co., Ltd.
12/11/2000
DIY/Open Source Hardware
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