LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Features
* Package in 12mm tape on 7" diameter reels.
* Compatible with automatic placement equipment.
* Compatible with infrared and vapor phase reflow solder process.
* EIA STD package.
* I.C. compatible.
* Meet green product and Pb-free(According to RoHS)
Package
Dimensions
Part No.
LTST-020QRL
Lens Color
Water Clear
Source Color
AlGaInP Red
Notes:
1. All dimensions are in millimeters (inches).
2. Tolerance is ±0.1 mm (.004") unless otherwise noted.
Definition of Distance Between of PAD and Reflector
A: The distance between pad’s bottom and reflector.
B: The tolerance between right and left pad.
C: The distance between pad and reflector.
Part No. : LTST-020QRL
BNS-OD-C131/A4
Symbol
A
B
C
0
0
0
Dimension (mm)
min
0.05
min
0.03
min
0.05
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
℃
Absolute Maximum Ratings at Ta=25℃
Parameter
LTST-020QRL
Unit
120
mW
(1/10 Duty Cycle, 0.1ms Pulse Width)
100
mA
DC Forward Current
30
mA
Reverse Voltage
5
V
Power Dissipation
Peak Forward Current
Operating Temperature Range
-30℃ to + 85℃
Storage Temperature Range
-40℃ to + 100℃
Reflow Soldering Condition
260℃ For 10 Seconds
Suggest IR Reflow Condition :
R-Reflow Soldering Profile for lead free soldering (Acc. to J-STD-020B)
Part No. : LTST-020QRL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Electrical
Optical
Characteristics
At
Ta=25℃
℃
Symbol
Part No.
LTW-
Min.
Typ.
Max.
Unit
Test Condition
IV
020QRL
200
-
400
mcd
IF = 20mA
Note 1, 2, 4
2θ1/2
020QRL
deg
Fig.6
Dominant Wavelength
λd
020QRL
619
-
629
nm
IF = 20mA
Note 2, 5
Fig.1
Forward Voltage
VF
020QRL
-
2.0
2.4
V
IF = 20mA
ESD-Withstand Voltage
ESD
020QRL
2K
V
HBM
Parameter
Luminous Intensity
Viewing Angle
110
Note : 1. Luminous intensity is measured with a light sensor and filter combination that approximates the
CIE eye-response curve.
2. Iv classification code is marked on each packing bag.
3. Caution in ESD:
Static Electricity and surge damages the LED. It is recommend to use a wrist band or
anti-electrostatic glove when handling the LED. All devices, equipment and machinery
must be properly grounded.
4. CAS140B is the test standard for the Dominant Wavelength & IV.
5. The Dominant Wavelength guarantee should be added +/- 2nm tolerance.
Part No. : LTST-020QRL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Bin Code List
VF Spec. Table
VF Bin
Forward Voltage (V) at IF = 20mA
Min.
Max.
VA1
1.8
1.9
VA2
1.9
2.0
VB1
2.0
2.1
VB2
2.1
2.2
VC1
2.2
2.3
VC2
2.3
2.4
Tolerance on each Forward Voltage bin is +/-0.10 volt
IV Spec. Table
Luminous Intensity (mcd) at IF = 20mA
IV Bin
Min.
Max.
P1
200
300
P2
300
400
Q1
400
500
Q2
500
600
R1
700
800
Tolerance on each Luminous Intensity bin is +/- 10%.
Part No. : LTST-020QRL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Typical Electrical / Optical Characteristics Curves
(25°° C Ambient Temperature Unless Otherwise Noted)
Part No. : LTST-020QRL
BNS-OD-C131/A
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
User Guide
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.
Recommend Printed Circuit Board Attachment Pad
Infrared / vapor phase
Reflow Soldering
Package Dimensions of Tape
Part No. : LTST-020QRL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Package Dimensions of Reel
Notes:
1. Empty component pockets sealed with top cover tape.
2. 7 inch reel-2000 pieces per reel.
3. The maximum number of consecutive missing lamps is two.
4. In accordance with ANSI/EIA 481 specifications.
5. Vacate 20 cm (min) on start of packing tape and vacate 50 cm (min) on last of packing tape.
Part No. : LTST-020QRL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
CAUTIONS
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).
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 deg C for
at least 48 hours before solder assembly.
3. Cleaning
Use alcohol-based cleaning solvents such as isopropyl alcohol to clean the LED if necessary.
4. Soldering
Recommended soldering conditions:
Reflow soldering
Pre-heat
Pre-heat time
Peak temperature
Soldering time
150~200°C
Temperature
120 sec. Max.
Soldering time
260°C Max.
10 sec. Max.(Max. two times)
Soldering iron
300°C Max.
3 sec. Max.
(one time only)
Soldering 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.
Part No. : LTST-020QRL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
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
7.1 Reliability Test
Reference Standard
Note
Number of
Damaged
1000 hrs
0/25
0
o
1000 hrs
0/25
0
o
1000 hrs
0/25
0
1000 hrs
0/25
0
100 cycles
0/25
0
100 cycles
0/25
0
1 time
0/25
0
3 time
0/25
0
Test Item
Test Condition
Steady State Operating Life
Condition
Ta= 25 C, IF=20mA
High Temperature Storage
Ta= 105 C
Low Temperature Storage
Ta= -55 C
Temperature Humidity
Storage
o
o
Ta= 65 C,
o
RH= 90%
o
o
o
Thermal Cycle
-55 C ~25 C ~105 C~ 25 C
30min 5min 30min 5min
Thermal Shock
-40 C ~ 85 C
10min
10min
Solder Resistance
Tsld=260+/- 5 C, 10sec
(Lead Free Solder Profile)
IR-REFLOW
Tsld=250+/- 5 C, 20~40sec
(Lead Free Solder Profile)
o
o
o
o
7.2 Criteria for Judging the Damage
Criteria for Judgment
Min.
Max.
Item
Symbol
Test Conditions
Forward Voltage
VF
IF=20mA
-
U.S.L.*) ╳ 1.1
Reverse Current
IR
VR=5V
-
U.S.L.*) ╳ 2.0
Luminous Intensity
IV
IF=20mA
U.S.L.**) ╳ 0.7
-
Part No. : LTST-020QRL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
8. Others
The appearance and specifications of the product may be modified for improvement without prior notice.
9. 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 wear 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 Blue 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 recycle?
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?
Part No. : LTST-020QRL
BNS-OD-C131/A4
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