LITE-ON DCC
RELEASE
LITE-ON Technology Corp. / Optoelectronics
No.90,Chien 1 Road, Chung Ho, New Taipei City 23585, Taiwan, R.O.C.
Tel: 886-2-2222-6181 Fax: 886-2-2221-1948 / 886-2-2221-0660
http://www.liteon.com/opto
SMD LED
Product Data Sheet
LTST-G683RGBW
Spec No.: DS22-2011-0302
Effective Date: 10/14/2016
Revision: B
BNS-OD-FC001/A4
BNS-OD-FC001/A4
BNS-OD-FC001/A4
BNS-OD-FC001/A4
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Part No. : LTST-G683RGBW
BNS-OD-FC002/A4
1. Description
SMD LEDs from Lite-On are available in miniature sizes and special configurations for automated PC board assembly and
space-sensitive applications. These SMD LEDs are suitable for use in a wide variety of electronic equipment, including cordless
and cellular phones, notebook computers, network systems, home appliances, and indoor signboard applications.
1.1 Features
Meet ROHS
Package in 8mm tape on 7" diameter reels
EIA STD package
I.C. compatible
Compatible with automatic placement equipment
Compatible with infrared reflow solder process
Preconditioning: accelerate to JEDEC level 3
1.2 Applications
Telecommunication, Office automation, home appliances,
industrial equipment
Status indicator
Signal and Symbol Luminary
Front panel backlighting
2. Package Dimensions
Part No.
Lens Color
Source Color
Pin Assignment
LTST-G683RGBW
White Diffused
InGaN Blue
1, 6
InGaN Green
2, 5
AlInGaP Red
3, 4
Notes: 1. All dimensions are in millimeters.
2. Tolerance is ±0.2 mm (.008") unless otherwise noted.
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3.2 Suggest IR Reflow Condition for Pb Free Process:
IR-Reflow Soldering Profile for lead free soldering (Acc. to J-STD-020B)
3. Rating and Characteristics
3.1 Absolute Maximum Ratings at Ta=25°C
Parameter
LTST-G683RGBW
Unit
Red
Green
Blue
Power Dissipation
72
80
80
mW
Peak Forward Current
(1/10 Duty Cycle, 0.1ms Pulse Width)
80
100
100
mA
DC Forward Current
30
20
20
mA
Operating Temperature Range
-40°C to + 85°C
Storage Temperature Range
-40°C to + 100°C
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Notes:
1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE
eye-response curve
2. θ1/2 is the off-axis angle at which the luminous intensity is half the axial luminous intensity.
3. The dominant wavelength, λd is derived from the CIE chromaticity diagram and represents the single
wavelength which defines the color of the device
4. Forward Voltage Tolerance is +/- 0.1 volt.
5. Reverse voltage (VR) condition is applied to IR test only. The device is not designed for reverse operation.
3.3 Electrical / Optical Characteristics at Ta=25°C
Parameter
Symbol
LTST-G683RGBW
Unit.
Test Condition
Red
Green
Blue
Luminous Intensity
IV
Min.
90
355
180
mcd
IF = 20mA
Note 1
Typ.
-
-
-
Max.
224
710
355
Viewing Angle
21/2
Typ.
120
deg
Note 2 (Fig.5)
Dominant Wavelength
d
Min.
624
520
465
nm
IF = 20mA
Note 3
Max.
636
530
475
Peak Emission Wavelength
P
Typ.
639
518
465
nm
Measurement
@Peak (Fig.1)
Spectral Line Half-Width

Typ.
20
35
25
nm
-
Forward Voltage
VF
Min.
1.8
2.8
2.8
V
IF = 20mA
Note 4
Max.
2.4
3.8
3.8
Reverse Current
IR
Max.
10
μA
VR = 5V
Note 5
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4. Bin Code List
Luminous Intensity
Luminous Intensity Unit : mcd @20mA
Bin Code
Red
Green
Blue
Min
Max
Min
Max
Min
Max
A1
90
112
355
450
140
180
A2
180
224
A3
224
280
A4
280
355
A5
450
560
140
180
A6
180
224
A7
224
280
A8
280
355
A9
560
710
140
180
A10
180
224
A11
224
280
A12
280
355
B1
112
140
355
450
140
180
B2
180
224
B3
224
280
B4
280
355
B5
450
560
140
180
B6
180
224
B7
224
280
B8
280
355
B9
560
710
140
180
B10
180
224
B11
224
280
B12
280
355
Tolerance on each Intensity bin is +/-11%
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Luminous Intensity
Luminous Intensity Unit : mcd @20mA
Bin Code
Red
Green
Blue
Min
Max
Min
Max
Min
Max
C1
140
180
355
450
140
180
C2
180
224
C3
224
280
C4
280
355
C5
450
560
140
180
C6
180
224
C7
224
280
C8
280
355
C9
560
710
140
180
C10
180
224
C11
224
280
C12
280
355
D1
180
224
355
450
140
180
D2
180
224
D3
224
280
D4
280
355
D5
450
560
140
180
D6
180
224
D7
224
280
D8
280
355
D9
560
710
140
180
D10
180
224
D11
224
280
D12
280
355
Tolerance on each Intensity bin is +/-11%
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Dominant Wavelength
Dominant Wavelength Unit : nm @20mA
Bin Code
Red
Green
Blue
Min
Max
Min
Max
Min
Max
E1
624
636
520
525
465
470
E2
470
475
E3
525
530
465
470
E4
470
475
Tolerance for each Dominate Wavelength Bin is +/- 1nm
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5. Typical Electrical / Optical Characteristics Curves.
(25°C Ambient Temperature Unless Otherwise Noted)
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6. User Guide
6.1 Cleaning
Do not use unspecified chemical liquid to clean LED they could harm the package. If cleaning is necessary, immerse the
LED in ethyl alcohol or isopropyl alcohol at normal temperature for less one minute.
6.2 Recommend Printed Circuit Board Attachment Pad
6.3 Package Dimensions of Tape And Reel
Note:
1. All dimensions are in millimeters (inches).
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6.4 Package Dimensions of Reel
Notes:
1. Empty component pockets sealed with top cover tape.
2. 7 inch reel 2000 pieces per reel.
3. Minimum packing quantity is 500 pieces for remainders.
4. The maximum number of consecutive missing lamps is two.
5. In accordance with EIA-481-1-B specifications.
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7. Cautions
7.1 Application
The LEDs described here are intended to be used for ordinary electronic equipment (such as office equipment,
communication equipment and household applications).Consult Liteon’s Sales in advance for information on applications
in which exceptional reliability is required, particularly when the failure or malfunction of the LEDs may directly jeopardize
life or health (such as in aviation, transportation, traffic control equipment, medical and life support systems and safety
devices).
7.2 Storage
The package is sealed:
The LEDs should be stored at 30°C or less and 70%RH or less. And the LEDs are limited to use within one year, while
the LEDs is packed in moisture-proof package with the desiccants inside.
The package is opened:
The storage ambient for the LEDs should not exceed 30°C temperature and 60% relative humidity.
It is recommended that LEDs out of their original packaging are IR-reflowed within 168hrs.
For extended storage out of their original packaging, it is recommended that the LEDs be stored in a sealed container
with appropriate desiccant, or in a desiccators with nitrogen ambient.
LEDs stored out of their original packaging for more than 168hrs should be baked at about 60 °C for at least 48 hours
before solder assembly.
7.3 Cleaning
Use alcohol-based cleaning solvents such as isopropyl alcohol to clean the LED if necessary.
7.4 Soldering
Recommended soldering conditions:
Reflow soldering
Soldering iron
Pre-heat
Pre-heat time
Peak temperature
Soldering time
150~200°C
120 sec. Max.
260°C Max.
10 sec. Max.(Max. two times)
Temperature
Soldering time
300°C Max.
3 sec. Max.
(one time only)
Notes:
Because different board designs use different number and types of devices, solder pastes, reflow ovens, and circuit
boards, no single temperature profile works for all possible combinations.
However, you can successfully mount your packages to the PCB by following the proper guidelines and PCB-specific
characterization.
LITE-ON Runs both component-level verification using in-house KYRAMX98 reflow chambers and board-level assembly.
The results of this testing are verified through post-reflow reliability testing.Profiles used at LITE-ON are based on
JEDEC standards to ensure that all packages can be successfully and reliably surface mounted.
Figure on page3 shows a sample temperature profile compliant to JEDEC standards. You can use this example as a
generic target to set up your reflow process. You should adhere to the JEDEC profile limits as well as specifications and
recommendations from the solder paste manufacturer to avoid damaging the device and create a reliable solder joint.
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7.5 Drive Method
A LED is a current-operated device. In order to ensure intensity uniformity on multiple LEDs connected in parallel in an
application, it is recommended that a current limiting resistor be incorporated in the drive circuit, in series with each LED
as shown in Circuit A below.
Circuit model A Circuit model B
(A) Recommended circuit.
(B) The brightness of each LED might appear different due to the differences in the I-V characteristics
of those LEDs.
7.6 ESD (Electrostatic Discharge)
Static Electricity or power surge will damage the LED.
Suggestions to prevent ESD damage:
Use of a conductive wrist band or anti-electrostatic glove when handling these LEDs.
All devices, equipment, and machinery must be properly grounded.
Work tables, storage racks, etc. should be properly grounded.
Use ion blower to neutralize the static charge which might have built up on surface of the LED’s plastic lens as a
result of friction between LEDs during storage and handling.
ESD-damaged LEDs will exhibit abnormal characteristics such as high reverse leakage current, low forward voltage, or
“ no lightup ” at low currents.
To verify for ESD damage, check for “ lightup ” and Vf of the suspect LEDs at low currents.
The Vf of “ good ” LEDs should be >2.0V@0.1mA for InGaN product and >1.4V@0.1mA for AlInGaP product.
LED
LED
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8. Reliability Test
No.
Test item
Test condition
Reference standard
1
Resistance to soldering heat
Tsld = 260°C , 10sec.
3 times
JEITA ED-4701 300 301
2
Solderability
Tsld=245± 5°C
(Lead Free Solder, Coverage ≧ 95% of the
dipped surface)
JEITA ED-4701 300 303
3
Thermal Shock
85 ± 5°C ~ -30°C ± 5°C
30min 30min
100cycles
JEITA ED-4701 300 307
4
Temperature Cycle
-55°C ~ 25°C ~ 100°C ~ 25°C
30min 5min 30min 5min
100cycles
JEITA ED-4701 100 105
5
High Temperature Storage
100°C 1000hrs
JEITA ED-4701 200 201
6
Low Temperature Storage
-55°C 1000hrs
JEITA ED-4701 200 202
7
Temperature Humidity Storage
60°C/90%RH 300hrs
JEITA ED-4701 100 103
8
Room temp life test
25°C, IF: Max current , 1000hrs
--
9. Others
The appearance and specifications of the product may be modified for improvement without prior notice.
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10. Suggested Checking List
Training and Certification
1. Everyone working in a static-safe area is ESD-certified?
2. Training records kept and re-certification dates monitored?
Static-Safe Workstation & Work Areas
1. Static-safe workstation or work-areas have ESD signs?
2. All surfaces and objects at all static-safe workstation and within 1 ft measure less than 100V?
3. All ionizer activated, positioned towards the units?
4. Each work surface mats grounding is good?
Personnel Grounding
1. Every person (including visitors) handling ESD sensitive (ESDS) items wears wrist strap, heel strap or conductive shoes with
conductive flooring?
2. If conductive footwear used, conductive flooring also present where operator stand or walk?
3. Garments, hairs or anything closer than 1 ft to ESD items measure less than 100V*?
4. Every wrist strap or heel strap/conductive shoes checked daily and result recorded for all DLs?
5. All wrist strap or heel strap checkers calibration up to date?
Note: *50V for InGaN LED.
Device Handling
1. Every ESDS items identified by EIA-471 labels on item or packaging?
2. All ESDS items completely inside properly closed static-shielding containers when not at static-safe workstation?
3. No static charge generators (e.g. plastics) inside shielding containers with ESDS items?
4. All flexible conductive and dissipative package materials inspected before reuse or recycles?
Others
1. Audit result reported to entity ESD control coordinator?
2. Corrective action from previous audits completed?
3. Are audit records complete and on file?