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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.
Package
Dimensions
Part No. LTST-T670KGKT
Lens Color Water Clear
Source Color AllnGaP Green
Notes: 1. All dimensions are in millimeters (inches). 2. Tolerance is 0.2 mm (.008") unless otherwise noted.
Part No. : LTST-T670KGKT BNS-OD-C131/A4
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LITE-ON
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CORPORATION
Property of Lite-On Only Absolute Maximum Ratings at Ta=25
Parameter Power Dissipation Peak Forward Current (1/10 Duty Cycle, 0.1ms Pulse Width) DC Forward Current Derating Linear From 50 Reverse Voltage Operating Temperature Range Storage Temperature Range Suggest IR Reflow Condition : 80 30 0.4 5 -55 to + 100 -55 to + 100 mA LTST-T670KGKT 75 Unit mW
mA mA/ V
Heat-Resistant
Assembly
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LITE-ON
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Property of Lite-On Only Electrical / Optical Characteristics at Ta=25
Part No. LTSTT670KGKT
Parameter
Symbol
Min.
Typ.
Max.
Unit
Test Condition IF = 20mA Note 1 Note 2 (Fig.6) Measurement @Peak (Fig.1) Note 3
Luminous Intensity
IV
60.0
mcd
Viewing Angle
21/2
T670KGKT
120
deg
Peak Emission Wavelength
P
T670KGKT
574 571 15 2.0 2.4 100 40
nm
Dominant Wavelength
d
T670KGKT
nm
Spectral Line Half-Width
T670KGKT
nm
Forward Voltage
VF
T670KGKT
V
IF = 20mA
Reverse Current
IR
T670KGKT
A
VR = 5V VF=0, f =1MHZ
Capacitance
C
T670KGKT
PF
NOTE: 1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE eye-response curve. 2.1/2 is the off-axis angle at which the luminous intensity is half the axial luminous intensity. 3. The dominant wavelength, d is derived from the CIE chromaticity diagram and represents the single wavelength which defines the color of the device.
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LITE-ON
TECHNOLOGY
CORPORATION
Property of Lite-On Only
Bin Code List
Forward Voltage Bin Code 4 5 6 7 Min. 1.90 2.00 2.10 2.20 Unit: V @20mA Max. 2.00 2.10 2.20 2.30
Tolerance on each Forward Voltage bin is +/-0.1 volt Luminous Intensity Bin Code P Q R Min. 45.0 71.0 112.0 Tolerance on each Intensity bin is +/-15% Dominant Wavelength Bin Code C D E Min. 567.5 570.5 573.5 Unit : nm @20Ma Max. 570.5 573.5 576.5 Unit : mcd @20mA Max. 71.0 112.0 180.0
Tolerance for each Dominate Wavelength bin is +/- 1nm
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LITE-ON
TECHNOLOGY
CORPORATION
Property of Lite-On Only
Typical Electrical / Optical Characteristics Curves (25C Ambient Temperature Unless Otherwise Noted)
Part No. : LTST-T670KGKT BNS-OD-C131/A
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LITE-ON
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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 And Reel
Note: 1.All dimensions are in millimeters (inches).
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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 RS-481 specifications.
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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 storage ambient for the LEDs should not exceed 30C temperature or 70% relative humidity. It is recommended that LEDs out of their original packaging are IR-reflowed within one week. 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 a week should be baked at about 60 deg C for at least 24 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 120~150C 120 sec. Max. 260C Max. 10 sec. Max.
Wave Soldering
100C Max. 60 sec. Max. 260C Max. 10 sec. Max.
Soldering iron
Temperature Soldering time 300C Max. 3 sec. Max. (one time only)
Pre-heat Pre-heat time Solder wave Soldering time
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. 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. Part No. : LTST-T670KGKT Page : 8 of 10 BNS-OD-C131/A4
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 and >1.4V@0.1mA for AlInGaP product. 7. Reliability Test Classification Test Item
Operation Life High Temperature High Humidity Storage High Temperature Storage Low Temperature Storage Temperature Cycling
Test Condition
Ta= Under Room Temperature As Per Data Sheet Maximum Rating *Test Time= 1000HRS (-24HRS,+72HRS)*@20mA. IR-Reflow In-Board, 2 Times Ta= 655,RH= 9095% *Test Time= 240HRS2HRS Ta= 1055 *Test Time= 1000HRS (-24HRS,+72HRS) Ta= -555 *Test Time=1000HRS (-24HRS,+72H RS) 105 25 -55 25 30mins 5mins 30mins 5mins 10 Cycles IR-Reflow In-Board, 2 Times 85 5 -40 5 10mins 10mins 10 Cycles Ramp-up rate(183 to Peak) +3/ second max Temp. maintain at 125(25) 120 seconds max Temp. maintain above 183 60-150 seconds Peak temperature range 235+5/-0 Time within 5C of actual Peak Temperature (tp) 10-30 seconds Ramp-down rate +6/second max T.sol= 235 5 Immersion time 20.5 sec Immersion rate 252.5 mm/sec Immersion rate 252.5 mm/sec Coverage 95% of the dipped surface
Reference Standard
MIL-STD-750D:1026 (1995) MIL-STD-883D:1005 (1991) JIS C 7021:B-1 (1982) MIL-STD-202F:103B(1980) JIS C 7021:B-11(1982) MIL-STD-883D:1008 (1991) JIS C 7021:B-10 (1982) JIS C 7021:B-12 (1982) MIL-STD-202F:107D (1980) MIL-STD-750D:1051(1995) MIL-STD-883D:1010 (1991) JIS C 7021:A-4(1982) MIL-STD-202F:107D(1980) MIL-STD-750D:1051(1995) MIL-STD-883D:1011 (1991) MIL-STD-750D:2031.2(1995) J-STD-020(1999)
Endurance Test
Thermal Shock
Environmental Test
IR-Reflow
Solderability
MIL-STD-202F:208D(1980) MIL-STD-750D:2026(1995) MIL-STD-883D:2003(1991) IEC 68 Part 2-20 JIS C 7021:A-2(1982)
8. Others The appearance and specifications of the product may be modified for improvement without prior notice.
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BNS-OD-C131/A4
LITE-ON
TECHNOLOGY
CORPORATION
Property of Lite-On Only 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 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 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 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?
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