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VLMK31..
Vishay Semiconductors
Standard SMD LED PLCC-2
19225
DESCRIPTION
This device has been designed to meet the increasing
demand for AlInGaP technology.
The package of the VLMK31.. is the PLCC-2.
It consists of a lead frame which is embedded in a white
thermoplast. The reflector inside this package is filled up
with clear epoxy.
PRODUCT GROUP AND PACKAGE DATA
• Product group: LED
• Package: SMD PLCC-2
• Product series: standard
• Angle of half intensity: ± 60°
FEATURES
• SMD LED with exceptional brightness
• Luminous intensity categorized
• Compatible with automatic placement
equipment
• EIA and ICE standard package
• Compatible with IR reflow, vapor phase and
wave solder processes according to
CECC 00802 and J-STD-020
• Available in 8 mm tape
• Low profile package
• Non-diffused lens: excellent for coupling to light pipes and
backlighting
• Low power consumption
• Luminous intensity ratio in one packaging
IVmax./IVmin. 1.6
• Preconditioning according to JEDEC® level 2a
unit
• ESD-withstand voltage: up to 2 kV according to
JESD22-A114-B
• AEC-Q101 qualified
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
• Automotive: backlighting in dashboards and switches
• Telecommunication: indicator and backlighting in
telephone and fax
• Indicator and backlight for audio and video equipment
• Indicator and backlight in office equipment
• Flat backlight for LCDs, switches, and symbols
• General use
PARTS TABLE
PART
LUMINOUS INTENSITY
WAVELENGTH
FORWARD VOLTAGE
COLOR
(mcd)
at IF
(mA)
(nm)
at IF
(mA)
(V)
at IF
(mA)
TECHNOLOGY
MIN. TYP. MAX.
MIN. TYP. MAX.
MIN. TYP. MAX.
VLMK31P2S1-GS08 Red
56 138 224 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
VLMK31P2S1-GS18 Red
56 138 224 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
VLMK31Q1R2-GS08 Red
71 138 180 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
VLMK31Q1R2-GS18 Red
71 138 180 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
VLMK31R1S1-GS08 Red 112 142 224 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
VLMK31R1S1-GS18 Red 112 142 224 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
VLMK31R1S2-GS08 Red 112 142 280 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
VLMK31R1S2-GS18 Red 112 142 280 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
VLMK31R2S2-GS08 Red 140 160 280 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
VLMK31R2S2-GS18 Red 140 160 280 20 - 630 - 20 -
1.9 2.6 20 AllnGaP on GaAs
Rev. 1.6, 26-Sep-13
1 Document Number: 81329
For technical questions, contact: LED@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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VLMK31..
Vishay Semiconductors
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
VLMK31..
PARAMETER
Reverse voltage (1)
TEST CONDITION
DC forward current
Surge forward current
Power dissipation
Tamb 85 °C
tp 10 μs
Junction temperature
Operating temperature range
Storage temperature range
Thermal resistance junction / ambient Mounted on PC board (pad size > 16 mm2)
Note
(1) Driving LED in reverse direction is suitable for short term application
SYMBOL
VR
IF
IFSM
PV
Tj
Tamb
Tstg
RthJA
VALUE
5
30
0.1
80
125
-40 to +100
-40 to +100
400
UNIT
V
mA
A
mW
°C
°C
°C
K/W
OPTICAL AND ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
VLMK31.., RED
PARAMETER
Luminous intensity (1)
Dominant wavelength
Peak wavelength
Angle of half intensity
Forward voltage
Reverse voltage
Junction capacitance
Note
(1) In one packing unit IVmax./IVmin. 1.6
TEST CONDITION
IF = 20 mA
IF = 20 mA
IF = 20 mA
IF = 20 mA
IF = 20 mA
IR = 10 μA
VR = 0 V, f = 1 MHz
PART
VLMK31P2S1
VLMK31Q1R2
VLMK31R1S1
VLMK31R1S2
VLMK31R2S2
SYMBOL
IV
IV
IV
IV
IV
λd
λp
ϕ
VF
VR
Cj
MIN.
56
71
112
112
140
-
-
-
-
5
-
TYP.
138
138
142
142
160
630
643
± 60
1.9
-
15
MAX.
224
180
224
280
280
-
-
-
2.6
-
-
UNIT
mcd
mcd
mcd
mcd
mcd
nm
nm
deg
V
V
pF
LUMINOUS INTENSITY CLASSIFICATION
GROUP
LIGHT INTENSITY (mcd)
STANDARD
P
Q
R
S
OPTIONAL
1
2
1
2
1
2
1
2
MIN.
45
56
71
90
112
140
180
224
MAX.
56
71
90
112
140
180
224
280
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
on any one reel.
In order to ensure availability, single wavelength groups will not
be orderable.
CROSSING TABLE
VISHAY
VLMK31P2S1
VLMK31Q1R2
VLMK31R1S1
VLMK31R1S2
VLMK31R2S2
OSRAM
LST676-P2S1
LST676-Q1R2
LST676-R1S1
LST676-R1S2
LST676-R2S2
Rev. 1.6, 26-Sep-13
2 Document Number: 81329
For technical questions, contact: LED@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
VLMK31..
Vishay Semiconductors
40
35
30
25
20
15
10
5
0
0
16615
10 20 30 40 50 60 70 80 90 100
Tamb - Ambient Temperature (°C)
Fig. 1 - Maximum Permissible Forward Current vs.
Ambient Temperature
1.2
1.0
0.8
0.6
0.4
0.2
0.0
600
96 12075
620 640 660 680
λ - Wavelength (nm)
700
Fig. 4 - Relative Intensity vs. Wavelength
1000.00
100.00
tp/T = 0.01
0.02
0.05
0.1
0.2
0.5
10.00
0.01
16622
1
0.10 1.00 10.00
tp - Pulse Length (ms)
100.00
Fig. 2 - Permissible Forward Current vs. Pulse Length
100
10
1
1
95 10878
1.5 2
2.5
VF - Forward Voltage (V)
3
Fig. 5 - Forward Current vs. Forward Voltage
0° 10° 20°
30°
1.0
0.9
0.8
0.7
0.6 0.4 0.2 0
95 10319
40°
50°
60°
70°
80°
Fig. 3 - Relative Luminous Intensity vs. Angular Displacement
10
red
1
0.1
0.01
1
19113
10
IF - Forward Current (mA)
100
Fig. 6 - Relative Luminous Intensity vs. Forward Current
Rev. 1.6, 26-Sep-13
3 Document Number: 81329
For technical questions, contact: LED@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
16618
10 20 30 40 50 60 70 80 90 100
Tamb - Ambient Temperature (°C)
Fig. 7 - Relative Luminous Intensity vs. Ambient Temperature
PACKAGE DIMENSIONS in millimeters
3.5±0.2
VLMK31..
Vishay Semiconductors
2.10
2.05
IF = 20 mA
2.00
1.95
1.90
Red
1.85
1.80
1.75
1.70
1.65
1.60
0
16617
10 20 30 40 50 60 70 80 90 100
Tamb - Ambient Temperature (°C)
Fig. 8 - Forward Voltage vs. Ambient Temperature
0.8
Pin identification
CA
Technical drawings
according to DIN
specifications
Dimensions in mm
Ø2.4
3+0.15
Drawing-No.: 6.541-5067.01-4
Issue: 6; 23.09.13
Mounting Pad Layout
1.2
Area covered
with solderresist
1.6 (1.9)
4
Dimensions: Reflow and vapor phase (wave soldering)
Rev. 1.6, 26-Sep-13
4 Document Number: 81329
For technical questions, contact: LED@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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VLMK31..
Vishay Semiconductors
METHOD OF TAPING / POLARITY AND TAPE AND REEL
SMD LED (VLM.3-SERIES)
Vishay’s LEDs in SMD packages are available in an
antistatic 8 mm blister tape (in accordance with
DIN IEC 40 (CO) 564) for automatic component insertion.
The blister tape is a plastic strip with impressed component
cavities, covered by a top tape.
Adhesive tape
Blister tape
Component cavity
TAPING OF VLM.3...
3.5
3.1
94 8670
2.2
2.0
5.75
5.25
3.6 8.3
3.4 7.7
4.0
3.6
1.85
1.65
1.6 4.1
1.4 3.9
4.1
3.9
0.25
2.05
1.95
94 8668
Fig. 9 - Tape Dimensions in mm for PLCC-2
REEL PACKAGE DIMENSION IN MILLIMETERS
FOR SMD LEDS, TAPE OPTION GS08
(= 1500 PCS.)
120°
10.0
9.0
Identification
Label:
Vishay
type
group
tape code
production
code
quantity
4.5
3.5
2.5
1.5
13.00
12.75
63.5
60.5
180 14.4 max.
178
94 8665
Fig. 10 - Reel Dimensions - GS08
REEL PACKAGE DIMENSION IN MILLIMETERS
FOR SMD LEDS, TAPE OPTION GS18
(= 8000 PCS.) PREFERRED
120°
10.4
8.4
Identification
Label:
Vishay
type
group
tape code
production
code
quantity
4.5
3.5
2.5
1.5
13.00
12.75
62.5
60.0
321 14.4 max.
329
18857
Fig. 11 - Reel Dimensions - GS18
SOLDERING PROFILE
IR Reflow Soldering Profile for Lead (Pb)-free Soldering
Preconditioning acc. to JEDEC level 2a
300
250
255 °C
240 °C
217 °C
200
150
100
max. 120 s
max. 260 °C
245 °C
max. 30 s
max. 100 s
50 max. ramp up 3 °C/s
max. ramp down 6 °C/s
0
0
19885
50
100 150 200 250 300
Time (s)
max. 2 cycles allowed
Fig. 12 - Vishay Lead (Pb)-free Reflow Soldering Profile
(acc. to J-STD-020)
TTW Soldering (acc. to CECC00802)
300
5s
lead temperature
250 235 °C
to 260 °C
first wave
200
second
wave full line: typical
dotted line: process limits
ca. 200 K/s
150 100 °C
to 130 °C
100
ca. 2 K/s
50
0
0
948626-1
2 K/s
forced cooling
ca. 5 K/s
50 100 150 200 250
Time (s)
Fig. 13 - Double Wave Soldering of Opto Devices (all Packages)
Rev. 1.6, 26-Sep-13
5 Document Number: 81329
For technical questions, contact: LED@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000