Data Sheet
ASMT-QWBF-NKL0E, ASMT-QWBF-NKLAE
Super 0.5 W Cool White Power PLCC-4 Surface
Mount LED Indicator
Description
The Broadcom® Super 0.5 W Cool White Power PLCC-4
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
compared to the Power PLCC-4 SMT LEDs. These LEDs
produce higher light output with better flux performance
compared to the Power PLCC-4 SMT LED.
The Super 0.5 W Cool White Power PLCC-4 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
Industry Standard PLCC 4 platform (3.2 × 2.8 ×
1.9 mm3)
High reliability package with enhanced silicone resin
encapsulation
High brightness with optimum flux performance using
InGaN chip technologies
Available in Cool White
Available in 8-mm carrier tape and 7-in. reel
Wide viewing angle at 120 degrees
JEDEC MSL 2
Applications
Interior automotive
– Instrument panel backlighting
– Central console backlighting
– Navigation and audio system backlighting
– Dome/Map lighting
– Push button backlighting
– Puddle lamp
– Glove compartment illumination
Electronic signs and signals
– Decorative lighting
Office automation, home appliances, industrial
equipment
– Panel/button backlighting
– Display backlighting
Others
– Illuminations
– Advertising board Back lighting
CAUTION! LEDs are Class 2 ESD sensitive. Please observe appropriate precautions during handling and processing.
Broadcom
AV02-3151EN
July 10, 2018
ASMT-QWBF-NKL0E, ASMT-QWBF-NKLAE Data Sheet
Super 0.5 W Cool White Power PLCC-4 Surface Mount LED Indicator
Package Drawing
0.79 ± 0.3
2.8 ± 0.2
2.2 ± 0.2
A
C
C
0.7
1.9 ± 0.2
0.6 ± 0.3
1.15 ± 0.2
0.56 (TYP.)
0.97
Ø 2.4
3.6 ± 0.2
3.2 ± 0.2
0.41 (TYP.)
A
CATHODE
MARKING
Notes:
1. All dimensions in millimeters.
2. Terminal finish: ag plating.
3. Encapsulation material: silicone resin.
Device Selection Guide (TJ = 25°C)
Luminous Flux, θVa (lm)
Color
Part Number
Min.
Typ.
Max.
Test Current
(mA)
Dice
Technology
Cool White
ASMT-QWBF-NKL0E
43
49
73
150
InGaN
Cool White
ASMT-QWBF-NKLAE
43
49
73
150
InGaN
a. θV is the total luminous flux output as measured with an integrating sphere at mono pulse conditions.
NOTE:
Tolerance ± 12%.
Part Numbering System
ASMT – Q X1 BF – N X2 X3 X4 X5
Packaging Option
Color Bin Selection
Maximum Flux Bin Selection
Minimum Flux Bin Selection
Color
W : Cool White
Broadcom
AV02-3151EN
2
ASMT-QWBF-NKL0E, ASMT-QWBF-NKLAE Data Sheet
Super 0.5 W Cool White Power PLCC-4 Surface Mount LED Indicator
Absolute Maximum Ratings (TA = 25°C)
Parameter
Rating
Units
DC Forward Current
150
mA
Peak Forward Currenta
300
mA
Power Dissipation
570
mW
Reverse Voltage
Not Recommended
V
125
°C
Operating Temperature
–40 to +120
°C
Storage Temperature
–40 to +120
°C
Junction Temperature
a. Duty Factor = 10%, Frequency = 1 kHz.
Optical Electrical Characteristics (TJ = 25°C, IF = 150 mA)
CCT (K)
4500 ~ 10000
Viewing Angle
2θ½a (Degree)
Luminous Efficiency
e (lm/W)
Typ.
Typ.
Typ.
Max.
Thermal Resistance
RθJ-P (°C/W)
120
94
3.30
3.50
50
Forward Voltage VF (Volt)
a. θ1/2 is the off -axis angle where the luminous intensity is 1/2 the peak intensity.
Broadcom
AV02-3151EN
3
ASMT-QWBF-NKL0E, ASMT-QWBF-NKLAE Data Sheet
Super 0.5 W Cool White Power PLCC-4 Surface Mount LED Indicator
Figure 1: Relative Luminous Flux vs. Forward Current
Figure 2: Color Spectrum
1.8
RELATIVE LUMINOUS FLUX
(NORMALIZED AT 150 mA)
1.6
RELATIVE INTENSITY
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
50
100
150
200
DC FORWARD CURRENT - mA
250
300
Figure 3: Radiation Pattern
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
380
430
480
530 580 630
WAVELENGTH - nm
680
730
780
Figure 4: Forward Current vs. Forward Voltage
350
1
FORWARD CURRENT - mA
NORMALIZED INTENSITY
300
0.75
0.5
0.25
250
200
150
100
50
0
0
-90
-60
-30
0
30
60
ANGULAR DISPLACEMENT - DEGREES
90
0
1
2
FORWARD VOLTAGE - V
3
4
Figure 5: Relative Flux vs. Temperature
RELATIVE LUMINOUS FLUX
(NORMALIZE AT 25°)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
Broadcom
-40
-15
10
35
60
85
JUNCTION TEMPERATURE, TJ -°C
110
AV02-3151EN
4
ASMT-QWBF-NKL0E, ASMT-QWBF-NKLAE Data Sheet
Super 0.5 W Cool White Power PLCC-4 Surface Mount LED Indicator
Figure 6: Chromaticity Shift vs. Forward Current
Figure 7: Chromaticity Shift vs. Temperature
0.01
0.020
CHROMATICITY COORDINATE SHIFT
COORDINATE SHIFT
X-Coordinate
Y-Coordinate
0.005
0
-0.005
-0.01
100
200
FORWARD CURRENT - mA
0.000
-0.005
-0.010
-0.015
-40
0.40
0.160
0.30
0.140
0.20
0.120
0.10
0.00
-0.10
-0.20
10
35
60
85
JUNCTION TEMPERATURE, TJ -°C
110
0.100
0.080
0.060
0.040
0.020
-50
-25
0
25
50
75
100
JUNCTION TEMPERATURE, TA - °C
125
Duty cycle D = parameter, TA = 25° C
0.35
D=
0.05
0.10
0.25
0.50
1
0.30
0.25
0.20
t
D= p
T
0.05
0.00
1.00E-05
1.00E-03
1.00E-01
tp - Time - (S)
20
40
60
80
100
AMBIENT TEMPERATURE - °C
D=
0.25
IF
140
tp
T
tp
IF
T
D=
0.05
0.10
0.25
0.50
1
0.20
0.15
0.10
tp
120
Duty cycle D = parameter, TA = 85° C
0.30
0.15
0.10
0
Figure 11: Maximum Pulse Current vs. Ambient Temperature
TA = 85° C
CURRENT - A
0.35
0.000
150
Figure 10: Maximum Pulse Current vs. Ambient Temperature
TA = 25° C
Broadcom
-15
Figure 9: Maximum Forward Current vs. Ambient
Temperature. Derated base on Tj max 125°C, Rθja 150°C/W.
FORWARD CURRENT - A
FORWARD VOLTAGE SHIFT - V
0.005
300
Figure 8: Relative Forward Voltage Shift vs. Temperature
CURRENT - A
0.010
-0.020
0
-0.30
X-Coordinate
Y-Coordinate
0.015
0.05
T
1.00E+01
0.00
1.00E-05
1.00E-03
1.00E-01
tp - Time - (S)
1.00E+01
AV02-3151EN
5
ASMT-QWBF-NKL0E, ASMT-QWBF-NKLAE Data Sheet
Super 0.5 W Cool White Power PLCC-4 Surface Mount LED Indicator
Figure 12: Recommended Pick-and-Place Nozzle Size
Figure 13: Recommended Pb Free Reflow Soldering Profile
TEMPERATURE
10 to 30 SEC.
D
217° C
200° C
255 - 260° C
3° C / SEC. MAX.
6° C / SEC. MAX.
150° C
3° C / SEC. MAX.
100 SEC. MAX.
60 - 120 SEC.
TIME
(Acc. to J-STD-020C)
Note: Diameter "D" should be smaller than
2.2 mm SMT LED Indicator Components
Figure 14: Recommended Soldering Pad Pattern
2.4
0.6
0.9 X 6
1.3 x 6
A
A
A
0.4
A
1.4
C
C
C
C
C
CATHODE
MARKING
Broadcom
4.6
C
0.3
SOLDER MASK
A
ANODE
C
CATHODE
CATHODE
MARKING
MINIMUM 55 mm2 OF CATHODE PAD
FOR IMPROVED HEAT DISSIPATION
AV02-3151EN
6
ASMT-QWBF-NKL0E, ASMT-QWBF-NKLAE Data Sheet
Super 0.5 W Cool White Power PLCC-4 Surface Mount LED Indicator
Figure 15: Tape Leader and Trailer Dimensions
TRAILER
COMPONENT
LEADER
200 mm MIN. FOR Ø180 REEL.
200 mm MIN. FOR Ø330 REEL.
480 mm MIN. FOR Ø180 REEL.
960 mm MIN. FOR Ø330 REEL.
C
A
USER FEED DIRECTION
Figure 16: Tape Dimensions
4 ± 0.1
4 ± 0.1
1.75 ± 0.1
2 ± 0.05
2.29 ± 0.1
1.5 +0.1
–0
C
3.5 ± 0.05
8 +0.3
–0.1
C
3.8 ± 0.1
A A
3.05 ± 0.1
1 +0.1
–0
0.229 ± 0.01
8°
Broadcom
AV02-3151EN
7
ASMT-QWBF-NKL0E, ASMT-QWBF-NKLAE Data Sheet
Handling Precaution
Super 0.5 W Cool White Power PLCC-4 Surface Mount LED Indicator
Baking is required if the following conditions apply:
The encapsulation material of the product is made of
silicone for better reliability of the product. As silicone is a
soft material, do not press on the silicone or poke a sharp
object onto the silicone. This might damage the product and
cause premature failure. During assembly or handling, hold
the unit should on the body only. Refer to Broadcom
Application Note AN 5288 for detailed information.
Moisture Sensitivity
This product is qualified as Moisture Sensitive Level 2a per
JEDECJ-STD-020. Taking precautions when handling this
moisture-sensitive product is important to ensure the
reliability of the product. Refer to Broadcom Application
Note AN 5305 Handling of Moisture Sensitive Surface
Mount Devices for details.
Use of LEDs
Do not use materials that contain corrosive substances,
such as sulfur, with the LED during the assembly process
and application. Silicone is permeable for gases, so
corrosive gases will permeate into the LED and corrode the
leadframe plating, resulting in open contact.
Application Precautions
Storage before use:
Store the unopened moisture barrier bag (MBB) at
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