VLRK31R1S2, VLRK31Q1R2
www.vishay.com
Vishay Semiconductors
Reverse Gullwing SMD LED Red
FEATURES
• SMD LED with exceptional brightness
• Luminous intensity categorized
• Compatible
equipment
with
automatic
placement
• EIA and ICE standard package
• Compatible with IR reflow, vapor phase
and wave solder processes according to
CECC 00802 and J-STD-020C
20857
• Available in 12 mm tape
• Low profile package
DESCRIPTION
• Non-diffused lens: excellent for coupling to light pipes and
backlighting
This device has been designed to meet the increasing
demand for AlInGaP technology.
• Low power consumption
It consists of a lead frame which is embedded in a white
thermoplast. The reflector inside this package is filled up
with clear epoxy.
• Preconditioning according to JEDEC® level 2
• Luminous intensity
IVmax./IVmin. > 1.6
ratio
in
one
packaging
unit
LED is mounted top down and emits through the PCB.
• ESD-withstand voltage: up to 2 kV according to
JESD22-A114-B
PRODUCT GROUP AND PACKAGE DATA
• AEC-Q101 qualified
• Product group: LED
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
• Package: SMD reverse gullwing
• Product series: standard
APPLICATIONS
• Angle of half intensity: ± 60°
• Automotive: backlighting in dashboards and switches
• Telecommunication:
telephone and fax
indicator
and
backlighting
in
• 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
COLOR
LUMINOUS INTENSITY
WAVELENGTH
FORWARD VOLTAGE
at IF
at IF
at IF
(mcd)
(nm)
(V)
TECHNOLOGY
(mA)
(mA)
(mA)
MIN.
TYP. MAX.
MIN. TYP. MAX.
MIN. TYP. MAX.
VLRK31R1S2-GS08
Red
112
-
285
20
620
630
635
20
-
2.1
2.3
20
AlInGaP on GaAs
VLRK31Q1R2-GS08
Red
71
-
180
20
620
630
635
20
-
2.1
2.3
20
AlInGaP on GaAs
VLRK31Q1R2-GS18
Red
71
-
180
20
620
630
635
20
-
2.1
2.3
20
AlInGaP on GaAs
Rev. 1.6, 14-Apr-2022
Document Number: 81778
1
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
VLRK31R1S2, VLRK31Q1R2
www.vishay.com
Vishay Semiconductors
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
VLRK31R1S2, VLRK31Q1R2
PARAMETER
TEST CONDITION
SYMBOL
VALUE
VR
5
V
Tamb 85 °C
IF
30
mA
tp 10 μs
IFSM
1
A
PV
75
mW
Reverse voltage (1)
DC forward current
Surge forward current
Power dissipation
Junction temperature
Operating temperature range
Storage temperature range
Thermal resistance junction-to-ambient
Mounted on PC board (pad size > 16
mm2)
UNIT
Tj
+125
°C
Tamb
-40 to +100
°C
Tstg
-40 to +100
°C
RthJA
400
K/W
Note
(1) Driving LED in reverse direction is suitable for short term application
OPTICAL AND ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
VLRK31R1S2, VLRK31Q1R2, YELLOW
PARAMETER
TEST CONDITION
PART
SYMBOL
MIN.
TYP.
MAX.
VLRK31R1S2
lV
112
-
285
UNIT
mcd
VLRK31Q1R2
lV
71
-
180
mcd
Luminous intensity (1)
IF = 20 mA
Dominant wavelength (3)
IF = 20 mA
d
620
630
635
nm
Peak wavelength
IF = 20 mA
p
-
643
-
nm
Angle of half intensity
IF = 20 mA
-
± 60
-
°
Forward voltage
(2)
IF = 20 mA
VF
-
2.1
2.3
V
IR = 10 μA
VR
5
-
-
V
VR = 0 V, f = 1 MHz
Cj
-
15
-
pF
Reverse voltage
Junction capacitance
Notes
(1) In one packing unit I
Vmax./IVmin. > 1.6
(2) Forward voltages are tested at a current pulse duration of 1 ms and a tolerance of ± 0.05 V
(3) Wavelengths are tested at a current pulse duration of 25 ms and an accuracy of ± 1 nm
LUMINOUS INTENSITY CLASSIFICATION
GROUP
STANDARD
LUMINOUS INTENSITY IV (mcd)
VISHAY
OSRAM
MAX.
VLRK31R1S2
LST776-R1S2
71
90
VLRK31Q1R2
LST776-Q1R2
90
112
1
112
140
2
140
180
1
180
224
2
224
285
OPTIONAL
MIN.
1
2
Q
R
S
CROSSING TABLE
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
Rev. 1.6, 14-Apr-2022
Document Number: 81778
2
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
VLRK31R1S2, VLRK31Q1R2
www.vishay.com
Vishay Semiconductors
TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
1.2
40
1.0
Irel - Relative Intensity
IF - Forward Current (mA)
35
30
25
20
15
10
0.8
0.6
0.4
0.2
5
0.0
600
0
0
10
20
30
40
50
60
70
80
90 100
620
Fig. 1 - Forward Current vs. Ambient Temperature
640
660
680
700
λ - Wavelength (nm)
96 12075
Tamb - Ambient Temperature (°C)
16615
Fig. 4 - Relative Intensity vs. Wavelength
1000.00
100
0.02
IF - Forward Current (mA)
I FM - Forward Current (mA)
tp /T = 0.01
0.05
0.1
100.00
0.2
0.5
1
10.00
0.01
1
0.10
1.00
10.00
100.00
tp - Pulse Length (ms)
16622
1
0°
10°
2
2.5
3
Fig. 5 - Forward Current vs. Forward Voltage
20°
10
0.9
50°
0.8
60°
70°
80°
IV rel - Relative Luminous Intensity
40°
1.0
ϕ - Angular Displacement
30°
0.7
1.5
VF - Forward Voltage (V)
95 10878
Fig. 2 - Forward Current vs. Pulse Length
IV rel - Relative Luminous Intensity
10
red
1
0.1
0.01
0.6
0.4
0.2
0
1
95 10319
19113
Fig. 3 - Relative Luminous Intensity vs. Angular Displacement
Rev. 1.6, 14-Apr-2022
10
100
IF - Forward Current (mA)
Fig. 6 - Relative Luminous Intensity vs. Forward Current
Document Number: 81778
3
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
VLRK31R1S2, VLRK31Q1R2
Vishay Semiconductors
2.0
2.10
1.8
2.05
V Frel - Relative Forward Voltage
IVrel - Relative Luminous Intensity
www.vishay.com
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
I F = 20 mA
Red
2.00
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
0
10 20 30 40 50 60 70 80 90 100
16618
Tamb - Ambient Temperature (°C)
0
16617
Fig. 7 - Relative Luminous Intensity vs. Ambient Temperature
10
20
30
40
50
60
70
80
90 100
Tam b - Ambient Temperature (°C)
Fig. 8 - Forward Voltage vs. Ambient Temperature
TAPING DIMENSIONS in millimeters
Taping and orientation
GS08: reels come in quantity of 2000 units, reel diameters are 180 mm
GS18: reels come in quantity of 8000 units, reel diameters are 330 mm
200 mm min. for Ø 180 reel
200 mm min. for Ø 330 reel
Trailer
480 mm min. for Ø 180 reel
960 mm min. for Ø 330 reel
Component
Leader
End
User feed direction
Drawing-No.: 9.700-5322.01-4
Issue: 1; 12.09.07
20858
Rev. 1.6, 14-Apr-2022
Technical drawings
according to DIN
specifications
Document Number: 81778
4
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
VLRK31R1S2, VLRK31Q1R2
www.vishay.com
Vishay Semiconductors
PACKAGE DIMENSIONS in millimeters
20859
Rev. 1.6, 14-Apr-2022
Document Number: 81778
5
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
VLRK31R1S2, VLRK31Q1R2
www.vishay.com
Vishay Semiconductors
REEL DIMENSIONS in millimeters
Reel dimensions and shape
Unreel direction
Tape position
coming out from reel
Technical drawings
according to DIN
specifications
Reel size “Y” = 180 ± 2
GS08 = 2000 pcs
Label posted here
Reel size “Y” = 330 ± 2
GS18 = 8000 pcs
Parts mounted
Empty leader 400 mm min.
Leader and trailer tape
Direction of pulling out
Drawing-No.: 9.800-5099.01-4
Issue: 2; 22.02.08
21067
SOLDERING PROFILE
TTW Soldering (according to CECC00802)
IR Reflow Soldering Profile for Lead (Pb)-Free Soldering
300
Preconditioning according to JEDEC level 2
Lead temperature
2nd line
Temperature (°C)
200
max. 30 s
150
max. 100 s
max. 120 s
100
200
235 °C to
260 °C
First wave
100 °C to
130 °C
100
100
2 K/s
max. ramp up 3 °C/s
50
max. ramp down 6 °C/s
50
0
0
50
19885-2
100
150
Time (s)
200
250
max. 2 cycles allowed
Fig. 9 - Vishay Lead (Pb)-free Reflow Soldering Profile
(according to J-STD-020C)
Rev. 1.6, 14-Apr-2022
ca. 5 K/s
Forced cooling
10
0
300
0
948626-1
1000
ca. 2 K/s
ca. 200 K/s
150
Full line: typical
Dotted lines:
process limits
Second
wave
1st line
2nd line
250
max. 260 °C
245 °C
255 °C
240 °C
217 °C
250
Temperature (°C)
10000
5s
300
50
100
150
200
250
Time (s)
Fig. 10 - Double Wave Soldering of Opto Devices (all Packages)
Document Number: 81778
6
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
VLRK31R1S2, VLRK31Q1R2
www.vishay.com
Vishay Semiconductors
LABEL OF FAN FOLD BOX (example)
RECOMMENDED METHOD OF STORAGE
A
N
B
C
D
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.
E
F
G H
I
K
L
M
A. 2D barcode
B. Part No: Vishay part number
After more than one year 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.
C. QTY: quantity
D. SelCode: selection bin code
E. Country of origin
F. PTC: production plant code
H. Region code
An EIA JEDEC standard JESD22-A112 level 2 label is
included on all dry bags.
I.
BAR CODE
G. Termination finish
Serial#: serial number
K. Batch number: year, week, country code, plant code
L. SL: storage location
M. Environmental symbols: RoHS, lead (Pb)-free, halogen
free
N. Lot numbers
DRY PACKING
The reel is packed in an anti-humidity bag to protect the
devices from absorbing moisture during transportation and
storage.
Aluminum bag
Label
17028
Example of JESD22-A112 Level 2 Label
ESD PRECAUTION
Reel
15973
Proper storage and handling procedures should be followed
to prevent ESD damage to the devices especially when they
are removed from the antistatic shielding bag. Electrostatic
sensitive devices warning labels are on the packaging.
FINAL PACKING
The sealed reel is packed into a cardboard box. A secondary
cardboard box is used for shipping purposes.
VISHAY SEMICONDUCTORS STANDARD
BAR CODE LABELS
The Vishay Semiconductors standard bar code labels are
printed at final packing areas. The labels are on each
packing unit and contain Vishay Semiconductors specific
data.
Rev. 1.6, 14-Apr-2022
Document Number: 81778
7
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product
with the properties described in the product specification is suitable for use in a particular application. Parameters provided in
datasheets and / or specifications may vary in different applications and performance may vary over time. All operating
parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.
Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited
to the warranty expressed therein.
Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and
for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of
any of the products, services or opinions of the corporation, organization or individual associated with the third-party website.
Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website
or for that of subsequent links.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
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© 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2022
1
Document Number: 91000
