
Description
2. Tolerance is ± 0.1mm (.004") unless otherwise specified.
The MSL-154B, a BLUE source Chip LED device,
is designed in an indnstry standard package suitable
for SMT assembly method. It utilizes InGaN on SiC
LED chip technology and water clear epoxy package.
Applications
Package Dimensions
1.60
3.20
( 0.126 )
2.00
(0.079)
1.10
(0.043)
POLARITY
1.60
0.50
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
l 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
R0.4
(0.016)
SOLDERING
Recommended Solder Patterns
@ T
1.50
=25
A
1.50
2.0
(0.079)
NOTE:
1. All dimensions are in millimeter (inches)
100 mA
0.50
1.5
(.059)
o
C
DC Forward Current I
Power Dissipation P
Reverse Voltage V
Operating Temperature Range T
Storage Temperature Range T
Electrostatic Discharge Threshold E
Unity Opto Technology Co., Ltd.
30 mA
126 mW
5 V
o
-20
C to +80oC
o
-30
C to +100oC
1000 V
11/23/2000

Optical-Electrical Characteristics
Relative Luminous Intensity
FIG.4 RELATIVE LUMINOUS INTENSITY
Parameter Test Conditions Symbol Min . Typ . Max . Unit .
Luminous Intensity
Forward Voltage
Reverse Current
Peak/Dominant Wavelength
IF=20mA I
IF=20mA V
VR=5V
IF=20mA
Spectral Linewidth IF=20mA
Viewing Angle
IF=20mA
Typical Optical-Electrical Characteristic Curves
1
0.5
0
Relative Luminous Intensity
(mA)
F
Forward Current I
380 450 520 590 660
Wavelength (nm)
FIG.1 RELATIVE INTENSITY LUMINOUS
VS. WAVELENGTH
40
30
20
10
0
0 25 50 75 100
Ambient Temperature (
o
C)
FIG.3 FORWARD CURRENT VS.
AMBIENT TEMPERATURE
10
V
I
R
λp/λ
∆λ
2θ
F
1/2
5.0 12.0 - mcd
- 3.5 4.0 V
- - 10
d
- 465/470 - nm
- 26 - nm
- 130 - deg.
30
25
(mA)
20
F
15
10
5
0
Forward Current I
0 1 2 3 4
Forward Voltage (V)
FIG.2 FORWARD CURRENT VS.
FORWARD VOLTAGE
1.5
1.25
=20mA
1
F
0.75
0.5
0.25
Normalized at I
0
Relative Luminous Intensity
0 5 10 15 20 25 30
Forward Current IF (mA)
VS. FORWARD CURRENT
@ T
o
30°
A
=25
µA
o
C
1
0.1
0 25 50 75
Ambient Temperature (
FIG.5 LUMINOUS INTENSITY VS.
AMBIENT TEMPERATURE
Unity Opto Technology Co., Ltd.
40°
1.0
0.9
0.8
Relative Luminous Intensity
0.5 0.3 0.1 0.2 0.4 0.6
o
C)
FIG.6 RADIATION DIAGRAM
50°
90°
11/23/2000