LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Features
*
*
*
*
*
*
Package in 8mm 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.
Lens Color
Source Color
LTW-670DS-EL
Yellow
InGaN White
Notes:
1. All dimensions are in millimeters (inches).
2. Tolerance is ±0.2 mm (.008") unless otherwise noted.
Part No. : LTW-670DS-EL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
℃
Absolute Maximum Ratings at Ta=25℃
Parameter
LTW-670DS-EL
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℃
Wave Soldering Condition
260℃ For 5 Seconds
Suggest IR Reflow Condition :
IR-Reflow Soldering Profile for lead free soldering (Acc. to J-STD-020B)
Part No. : LTW-670DS-EL
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
Luminous Intensity
IV
670DS-EL
1120
1400
2240
mcd
IF = 20mA
Note 1, 2, 5
Luminous Flux
ΦV
670DS-EL
3700
mlm
IF = 20mA
Note 1, 2, 5
Viewing Angle
2θ1/2
670DS-EL
120
deg
Fig.6
Parameter
x
Chromaticity Coordinates
IF = 20mA
Note 3, 5
Fig.1
0.31
670DS-EL
y
0.30
Forward Voltage
VF
670DS-EL
Reverse Current
IR
670DS-EL
3.0
3.6
V
IF = 20mA
10
µA
VR = 5V
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. The chromaticity coordinates (x, y) is derived from the 1931 CIE chromaticity diagram.
4. Caution in ESD:
Static Electricity and surge damages the LED. It is recommended using a wrist band or anti-electrostatic
glove when handling the LED. All devices, equipment and machinery must be properly grounded.
5. CAS140B is the test standard for the chromaticity coordinates (x, y) & IV.
Part
No. : LTW-670DS-EL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Bin Code List
VF Spec. Table
Forward Voltage (V) at IF = 20mA
VF Bin
Min.
Max.
V1
3.0
3.2
V2
3.2
3.4
V3
3.4
3.6
Tolerance on each Forward Voltage bin is +/-0.10 volt
IV Spec. Table
Luminous Intensity (mcd) at IF = 20mA
IV Bin
Min.
Max.
W
1120
1400
W1
1400
1800
X1
1800
2240
Tolerance on each Luminous Intensity bin is +/- 15%.
Hue Spec. Table
Color bin limits at IF = 20mA
Hue Bin
A0
A1
A2
A3
A4
A5
CIE 1931 Chromaticity coordinates
x
0.314
0.318
0.307
0.302
y
0.282
0.290
0.298
0.291
x
0.318
0.322
0.311
0.307
y
0.290
0.296
0.305
0.298
x
0.322
0.326
0.315
0.311
y
0.296
0.303
0.311
0.305
x
0.326
0.330
0.319
0.315
y
0.303
0.309
0.317
0.311
x
0.330
0.334
0.323
0.319
y
0.309
0.315
0.323
0.317
x
0.334
0.339
0.327
0.323
y
0.315
0.322
0.331
0.323
Tolerance on each Hue (x, y) bin is +/- 0.01
Part
No. : LTW-670DS-EL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Hue Spec. Table
Color bin limits at IF = 20mA
Hue Bin
CIE 1931 Chromaticity coordinates
B0
B1
B2
B3
B4
B5
x
0.302
0.307
0.296
0.291
y
0.291
0.298
0.307
0.300
x
0.307
0.311
0.300
0.296
y
0.298
0.305
0.313
0.307
x
0.311
0.315
0.304
0.300
y
0.305
0.311
0.319
0.313
x
0.315
0.319
0.308
0.304
y
0.311
0.317
0.326
0.319
x
0.319
0.323
0.312
0.308
y
0.317
0.323
0.331
0.326
x
0.323
0.327
0.317
0.312
y
0.323
0.331
0.340
0.331
Tolerance on each Hue (x, y) bin is +/- 0.01
0.4
0.38
0.36
0.34
B5
A5
A4
A3
B1
A3
A2
B0
A1
A2
A1
A0
A0
0.32
Y-coordinate
B4
B3
B2
0.3
0.28
0.26
0.24
0.22
0.2
0.18
0.16
0.2
Part
0.22
No. : LTW-670DS-EL
BNS-OD-C131/A4
0.24
0.26
0.28
0.3
X-coordinate
0.32
0.34
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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. : LTW-670DS-EL
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 than one minute.
Recommend Printed Circuit Board Attachment Pad
Infrared / vapor phase
Reflow Soldering
Package Dimensions of Tape
Note:
1. All dimensions are in millimeters (inches).
Part No. : LTW-670DS-EL
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. 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.
Part No. : LTW-670DS-EL
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
This product is qualified as Moisture sensitive Level 3 per JEDEC J-STD-020 Precaution when handing
this moisture sensitive product is important to ensure the reliability of the product.
The package is sealed:
The LEDs should be stored at 30°C or less and 90%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 LEDs should be stored at 30°C or less and 60%RH or less. Moreover, the LEDs are limited to
solder process within 168hrs. If the Humidity Indicator shows the pink color in 10% even higher or
exceed the storage limiting time since opened, that we recommended to baking LEDs at 60°C at least
48hrs. To seal the remainder LEDs return to package, it’s recommended to be with workable
desiccants in original package.
3. Cleaning
Use alcohol-based cleaning solvents such as isopropyl alcohol to clean the LED if necessary.
4. Soldering
Recommended soldering conditions:
Reflow soldering
Wave Soldering
Pre-heat
120~150°C
Pre-heat time
120 sec. Max.
Soldering Temp. 260°C Max.
Soldering time
30 sec. Max.
Pre-heat
Pre-heat time
Solder wave
Soldering time
Soldering iron
100°C Max.
60 sec. Max.
260°C Max.
10 sec. Max.
Temperature
Soldering time
300°C Max.
3 sec. Max.
(one time only)
5. Drive Method
An 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
LED
Circuit model B
LED
(A) Recommended circuit.
(B) The brightness of each LED might appear different due to the differences in the I-V characteristics of
those LEDs.
Part
No. : LTW-670DS-EL
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
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 “light up” 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.
7. Reliability Test
Classification
Test Item
Test Condition
Reference Standard
Ta= Under Room Temperature As Per Data Sheet
Maximum Rating
*Test Time= 1000HRS (-24HRS,+72HRS)*@20mA.
MIL-STD-750D:1026
MIL-STD-883D:1005
JIS C 7021:B-1
High Temperature
High Humidity
Storage
IR-Reflow In-Board, 2 Times
Ta= 65±5℃,RH= 90~95%
*Test Time= 240HRS±2HRS
MIL-STD-202F:103B
JIS C 7021:B-11
High Temperature
Storage
Ta= 105±5℃
*Test Time= 1000HRS (-24HRS,+72HRS)
MIL-STD-883D:1008
JIS C 7021:B-10
Low Temperature
Storage
Ta= -55±5℃
*Test Time=1000HRS (-24HRS,+72H RS)
JIS C 7021:B-12
105℃ ~ 25℃ ~ -55℃ ~ 25℃
30mins 5mins
30mins 5mins
10 Cycles
MIL-STD-202F:107D
MIL-STD-750D:1051
MIL-STD-883D:1010
JIS C 7021:A-4
IR-Reflow In-Board, 2 Times
85 ± 5℃ ~ -40℃ ± 5℃
10mins
10mins 100 Cycles
MIL-STD-202F:107D
MIL-STD-750D:1051
MIL-STD-883D:1011
Ramp-up rate(217℃ to Peak) +3℃/ second max
Temp. maintain at 175(±25)℃ 180 seconds max
Temp. maintain above 217℃ 60-150 seconds
Peak temperature range 260℃+0/-5℃
Time within 5°C of actual Peak Temperature (tp)
20-40 seconds
Ramp-down rate +6℃/second max
MIL-STD-750D:2031.2
J-STD-020B
Operation Life
Endurance
Test
Temperature
Cycling
Thermal
Shock
Environmental
Test
IR-Reflow
Solderability
Part
No. : LTW-670DS-EL
BNS-OD-C131/A4
MIL-STD-202F:208D
MIL-STD-750D:2026
MIL-STD-883D:2003
IEC 68 Part 2-20
JIS C 7021:A-2
T.sol= 235 ± 5℃
Immersion time 2±0.5 sec
Immersion rate 25±2.5 mm/sec
Coverage ≧95% of the dipped surface
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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. Quality Guarantee
LiteOn guarantee DPPM level of function failure is smaller and equal to 50 DPPM.
(Based on 100k usage)
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 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. : LTW-670DS-EL
BNS-OD-C131/A4
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