ASMT-UWBG / ASMT-UWBH / ASMT-UWBJ
0.25W Cool White Power PLCC4
Surface Mount LED
Datasheet
CAUTION:
Static sensitive device. Please observe appropriate precautions during handling and processing.
Description
The 0.25W Cool White Power PLCC4 SMT LED is using InGaN chip technology. The package can be driven at high current due to its
superior package design. The product is able to dissipate the heat more efficiently. These LEDs produce higher light output with better
flux performance.
The 0.25W Cool White Power PLCC4 SMT LEDs are designed for higher reliability, better performance, and operate under a wide range
of environmental conditions.
To facilitate easy pick and place assembly, the LEDs are packed in EIA-compliant tape and reel. Every reel is shipped in single intensity
and color bin, to provide close uniformity.
Features
(1) 4000K to 8000K CCT
(2) ANSI bin
(3) Wide view angle 120°
(4) High reliability package with enhanced silicone resin encapsulation
Applications
(1) Fluorescent replacement
(2) Under cabinet lighting
(3) Panel lights
(4) Retails display lighting
Cool White
Cool White
Cool White
Cool White
Cool White
Cool White
1.
2.
ASMT-UWBJ-NBDA8
ASMT-UWBJ-NBDB8
ASMT-UWBJ-NBDC8
ASMT-UWBJ-NBDD8
ASMT-UWBJ-NBDE8
ASMT-UWBJ-NBDF8
8000
6500
5700
5000
4500
4000
60
60
60
60
60
60
23.5
23.5
23.5
23.5
23.5
23.5
24.7
24.7
24.7
24.7
24.7
24.7
39.8
39.8
39.8
39.8
39.8
39.8
80
80
80
80
80
InGaN
InGaN
InGaN
InGaN
InGaN
InGaN
80
Luminous flux is the total luminous flux output as measured with an integrating sphere at mono pulse conditions.
Tolerance ±12%.
Part Numbering System
A S M T – U X
1
B x – N X
2
X
3
X
4
X
5
Packaging Option
Colour Bin
Max Flux Bin
Min Flux Bin
Color
W - Cool White
Y – Warm White
Absolute Maximum Ratings (T
A
= 25 °C)
Parameter
DC Forward Current
Peak Forward Current (D = 10%, f = 1kHz)
Power Dissipation
Reverse Voltage
Junction Temperature
Operating Temperature
Storage Temperature
Rating
100
200
360
Not recommended
125
-40 to 100
-40 to 100
Unit
mA
mA
mW
V
°C
°C
°C
Optical / Electrical Characteristics (T
J
= 25 °C)
Parameter
Viewing Angle 2θ
1/2 1
Forward Voltage V
F 2
Thermal Resistance
RTH
1.
2.
I
F
= 80mA
junction to pin
Test Condition
Min
Typ
120
3.4
50
3.6
Max
Unit
degree
V
°C/W
½
is the off-axis angle where the luminous intensity is ½ the peak intensity.
Tolerance ±0.1V.
2.5
250
FORWARD CURRENT - mA
RELATIVE LUMINOUS FLUX
(NORMALIZED AT 80 mA)
2
200
150
1.5
100
1
50
0.5
0
0
1
2
3
4
FORWARD VOLTAGE - V
0
50
100
150
200
250
0
DC FORWARD CURRENT - mA
Relative Luminous Flux vs. Forward Current
Forward Current vs. Forward Voltage
1
NORMALIZED INTENSITY
0.75
0.5
0.25
0
-90
-60
-30
0
30
60
90
ANGULAR DISPLACEMENT - DEGREES
Radiation Diagram
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