VLMW71S2S3QN
Vishay Semiconductors
Little Star®
1 Watt Power SMD LED Warm White
FEATURES
• Super high brightness surface mount LED
• High flux output; typical 60 lumens
• 120° viewing angle
• Compact package outline
(L x W x H) of 6 x 6 x 1.5 mm
• Ultra low height profile - 1.5 mm
• Designed for high current drive; up to 350 mA
• Low thermal resistance; RthJP = 18 K/W
• Qualified according to JEDEC moisture sensitivity
level 2a
• Compatible to IR reflow soldering
• Little Star® are class 1M LED products. Do not view
directly with optical instrument
• Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
• AEC-Q101 qualified
• ESD-withstand voltage: up to 2 kV according to
JESD22-A114-B
20784
DESCRIPTION
The VLMW71.. is one of the most robust and light
efficient LEDs in the market. With its extremely high
level of brightness and the ultra low high profile, which
is only 1.5 mm are highly suitable for both conventional
lighting and specialized application such as
automotive signal lights, traffic lights, channel lights,
tube lights and garden lights among others.
APPLICATIONS
• Automotive: exterior applications, e.g.: fog-lamp,
rear mirror lighting, etc.
• Communication: FlashLED
• Industry: white goods (e.g.: oven, microwave, etc.)
• Lighting: garden light, architecture lighting, general
lighting, etc.
PRODUCT GROUP AND PACKAGE DATA
• Product group: LED
• Package: SMD Little Star
• Product series: power
• Angle of half intensity: ± 60°
PARTS TABLE
PART
VLMW71S2S3QN-GS08
Document Number 81137
Rev. 1.0, 07-May-09
LUMINOUS FLUX
CORRELATION BETWEEN
LUM. FLUX/LUM. INTENSITY
(at IF = 350 mA)
COLOR, LUMINOUS
INTENSITY
(at IF = 350 mA)
Warm white, φ = (51 700 to 67 200) mlm
IV typ. = 19 000 mcd
For technical support, please contact: LED@vishay.com
TECHNOLOGY
InGaN
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1
VLMW71S2S3QN
Vishay Semiconductors
ABSOLUTE MAXIMUM RATINGS 1) VLMW71S2S3QN
PARAMETER
TEST CONDITION
Forward current
SYMBOL
VALUE
UNIT
IF
350
mA
Ptot
1.4
W
Tj
+ 120
°C
IFM
1000
mA
Operating temperature range
Tamb
- 40 to + 100
°C
Storage temperature range
Tstg
- 40 to + 100
°C
RthJP
18
K/W
Power dissipation
Junction temperature
Surge current
t < 10 µs, d = 0.1
Thermal resistance junction/pin
Note:
Not designed for reverse operation
1) T
amb = 25 °C, unless otherwise specified
OPTICAL AND ELECTRICAL CHARACTERISTICS 1) VLMW71S2S3QN, WARM WHITE
PARAMETER
TEST CONDITION
Luminous flux/luminous intensity
IF = 350 mA
Chromaticity coordinate x
acc. to CIE 1931
SYMBOL
MIN.
φ
51 700
TYP.
MAX.
67 200
UNIT
mlm
IV
19 000
IF = 350 mA
x
0.44
Chromaticity coordinate y
acc. to CIE 1931
IF = 350 mA
y
0.41
Angle of half intensity
IF = 350 mA
ϕ
± 60
IF = 350 mA
VF
3.6
Temperature coefficient of VF
IF = 350 mA
TCVF
-3
mV/K
Temperature coefficient of IV
IF = 350 mA
TCIV
- 0.4
%/K
Forward voltage
2)
mcd
deg
4
V
Note:
1) T
amb = 25 °C, unless otherwise specified
2)
Forward voltages are tested at a current pulse duration of 1 ms and a tolerance of ± 0.05 V
LUMINOUS INTENSITY/FLUX CLASSIFICATION WARM WHITE
GROUP
LUMINOUS FLUX φV (mlm) CORRELATION TABLE
STANDARD
MIN.
MAX.
S2
51 700
59 000
S3
59 000
67 200
Note:
Luminous intensity is tested at a current pulse duration of 25 ms and an accuracy of ± 11 %.
The above type numbers represent the order groups which include only a few brightness groups. Only one group will be shipped on each reel
(there will be no mixing of two groups on each reel).
In order to ensure availability, single brightness groups will not be orderable.
In a similar manner for colors where wavelength groups are measured and binned, single wavelength groups will be shipped in any one reel.
In order to ensure availability, single wavelength groups will not be orderable.
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For technical support, please contact: LED@vishay.com
Document Number 81137
Rev. 1.0, 07-May-09
VLMW71S2S3QN
Vishay Semiconductors
CHROMATICITY COORDINATED GROUPS FOR WARM WHITE SMD LED
Bin
QM
QN
QO
QP
PM
PN
PO
PP
NM
NN
NO
NP
Cx
Cy
0.421
0.437
0.430
0.415
0.421
0.415
0.430
0.423
0.409
0.415
0.409
0.423
0.416
0.402
0.409
0.402
0.416
0.409
0.397
0.402
0.437
0.452
0.444
0.430
0.437
0.430
0.444
0.436
0.423
0.430
0.423
0.436
0.428
0.416
0.423
0.416
0.428
0.421
0.409
0.416
0.452
0.469
0.460
0.444
0.452
0.444
0.460
0.451
0.436
0.444
0.436
0.451
0.443
0.428
0.436
0.428
0.443
0.435
0.421
0.428
0.433
0.438
0.421
0.416
0.433
0.416
0.421
0.405
0.400
0.416
0.400
0.405
0.387
0.382
0.400
0.382
0.387
0.372
0.367
0.382
0.438
0.443
0.426
0.421
0.438
0.421
0.426
0.409
0.405
0.421
0.405
0.409
0.392
0.387
0.405
0.387
0.392
0.377
0.372
0.387
0.443
0.448
0.431
0.426
0.443
0.426
0.431
0.414
0.409
0.426
0.409
0.414
0.397
0.392
0.409
0.392
0.397
0.382
0.377
0.392
Note:
Chromaticity coordinate groups are tested at a current pulse duration of 25 ms and a tolerance of ± 0.01.
Document Number 81137
Rev. 1.0, 07-May-09
For technical support, please contact: LED@vishay.com
www.vishay.com
3
VLMW71S2S3QN
Vishay Semiconductors
TYPICAL CHARACTERISTICS
Tamb = 25 °C, unless otherwise specified
600
ФV rel - Relative Luminous Flux
1.4
IF - Forward Current (mA)
1.2
1.0
0.8
0.6
0.4
500
400
300
200
100
0.2
0
0
0
20804
100
200
300
400
500
2
600
3
3.5
4
4.5
VF - Forward Voltage (V)
Figure 4. Forward Current vs. Forward Voltage
1.4
0.48
1.2
0.46
2670K
2850K
3050K
1.0
y - Coordinate
IV rel - Relative Lumnious Intensity
Figure 1. Relative Luminous Flux vs. Forward Current
0.8
0.6
400
500
QN
NO
0.34
0.38
MP
PP
QP
0.40 0.42
21437
Figure 2. Relative Luminous Intensity vs. Forward Current
MO
PO
NP
600
IF - Forward Current (mA)
20803
PN
QO
0.36
300
MN
NN
0.40
0.2
200
NM
PM
QM
0.38
100
MM
3500K
0.42
0.4
0
3250K
0.44
0
0.44
0.46
0.48
0.50
x - Cordinate
Figure 5. Coordinates of Color Groups
400
100 %
350
80 %
300
Irel (IF = 350 mA)
IF - Forward Current (mA)
2.5
20805
IF - Forward Current (mA)
250
200
150
60 %
40 %
100
20 %
50
0
0
20808
20
40
60
80
TSP - Solder Point Temperature (°C)
Figure 3. Forward Current vs. Solder Point Temperature
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4
0%
400 450 500 550 600 650 700 750 800
100
λ - Wavelength (nm)
20968
Figure 6. Relative Spectrale Emission
For technical support, please contact: LED@vishay.com
Document Number 81137
Rev. 1.0, 07-May-09
VLMW71S2S3QN
Vishay Semiconductors
10°
20°
30°
40°
1.0
0.9
50°
0.8
60°
70°
0.7
ϕ - Angular Displacement
IV rel - Relative Luminous Intensity
0°
80°
0.6
0.4
0.2
0
95 10319
Figure 7. Relative Luminous Intensity vs. Angular Displacement
TAPING DIMENSIONS in millimeters
20846
Document Number 81137
Rev. 1.0, 07-May-09
For technical support, please contact: LED@vishay.com
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5
VLMW71S2S3QN
Vishay Semiconductors
PACKAGE DIMENSIONS/SOLDERING PADS DIMENSIONS in millimeters
20847
SOLDERING PROFILE
IR Reflow Soldering Profile for Lead (Pb)-free Soldering
Preconditioning acc. to JEDEC Level 2a
300
Temperature (°C)
max. 260 °C
245 °C
255 °C
240 °C
217 °C
250
200
max. 30 s
150
max. 100 s
max. 120 s
100
max. ramp up 3 °C/s
50
max. ramp down 6 °C/s
0
0
50
19885
100
150
Time (s)
200
250
300
max. 2 cycles allowed
Figure 8. Vishay Lead (Pb)-free Reflow Soldering Profile
(acc. to J-STD-020)
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For technical support, please contact: LED@vishay.com
Document Number 81137
Rev. 1.0, 07-May-09
VLMW71S2S3QN
Vishay Semiconductors
BAR CODE PRODUCT LABEL
EXAMPLE:
A
D
E
B
20613
C
A) Type of component
B) Manufacturing plant
C) SEL - selection code (bin):
e.g.: DA = code for luminous intensity group
5 = code for color group
4 = code for forward voltage
D) Batch:
200707 = year 2007, week 07
PH19 = plant code
E) Total quantity
DRY PACKING
The reel is packed in an anti-humidity bag to protect
the devices from absorbing moisture during
transportation and storage.
RECOMMENDED METHOD OF STORAGE
Dry box storage is recommended as soon as the
aluminum bag has been opened to prevent moisture
absorption. The following conditions should be
observed, if dry boxes are not available:
• Storage temperature 10 °C to 30 °C
• Storage humidity ≤ 60 % RH max.
After more than 672 h under these conditions moisture
content will be too high for reflow soldering.
In case of moisture absorption, the devices will recover
to the former condition by drying under the following
condition:
192 h at 40 °C + 5 °C/- 0 °C and < 5 % RH
(dry air/nitrogen) or
96 h at 60 °C + 5 °C and < 5 % RH for all device
containers or
24 h at 100 °C + 5 °C not suitable for reel or tubes.
An EIA JEDEC standard JESD22-A112 level 2a label
is included on all dry bags.
L E V E L
CAUTION
This bag contains
MOISTURE –SENSITIVE DEVICES
2a
1. Shelf life in sealed bag 12 months at
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