LITEON LTST-C295KGKFKT Property of lite-on only Datasheet

LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Features
* Meet ROHS, Green Product.
* Extra Thin (0.55H mm) Dual Color Chip LED
* Ultra Bright AlInGaP Chip LED.
* 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.
Package Dimensions
Devices
Part No.
Lens
LTST-C295KGKFKT
Water Clear
Source Color
Pin Assignment
AlInGaP Green
1,3
AllnGaP Orange
2,4
Notes:
1. All dimensions are in millimeters (inches).
2. Tolerance is ± 0.10 mm (.004") unless otherwise noted.
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Absolute Maximum Ratings At Ta=25°°C
LTST-C295KGKFKT
Parameter
Unit
Green
Orange
Power Dissipation
75
75
mW
Peak Forward Current
(1/10 Duty Cycle, 0.1ms Pulse Width)
80
80
mA
DC Forward Current
30
30
mA
Reverse Voltage
5
5
V
Operating Temperature Range
-30°C to + 85°C
Storage Temperature Range
-40°C to + 85°C
Infrared Soldering Condition
260°C For 10 Seconds
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Suggestion Profile:
Suggestion IR Reflow Profile For Pb Free Process
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LITE-ON TECHNOLOGY CORPORATION
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Electrical / Optical Characteristics At Ta=25°°C
Parameter
LTST-C295KGKFKT
Symbol
Luminous Intensity
IV
Unit
Test Condition
90.0
mcd
IF =20mA
Note 1
Green
Orange
MIN.
18.0
28.0
TYP.
35.0
MAX.
2θ1/2
TYP.
130
130
deg
Note 2 (Fig.6)
Peak Emission Wavelength
λP
TYP.
574
611
nm
Measurement
@Peak (Fig.1)
Dominant Wavelength
λd
TYP.
571
605
nm
IF =20mA
Note 3
Spectral Line Half-Width
∆λ
TYP.
15
17
nm
Forward Voltage
VF
TYP.
2.0
2.0
MAX.
2.4
2.4
MAX.
10
10
Viewing Angle
Reverse Current
IR
V
IF =20mA
µA
VR = 5V
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. 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.
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LITE-ON TECHNOLOGY CORPORATION
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Bin Code List
Luminous Intensity
Color : Green , Unit : mcd @20mA
Bin Code
Min.
Max.
M
18.0
28.0
N
28.0
45.0
P
45.0
71.0
Q
71.0
112.0
Tolerance on each Intensity bin is +/-15%
Luminous Intensity
Color : Orange , Unit : mcd @20mA
Bin Code
Min.
Max.
N
28.0
45.0
P
45.0
71.0
Q
71.0
112.0
R
112.0
180.0
Tolerance on each Intensity bin is +/-15%
Dominant Wavelength
Color : Green , Unit : nm @20mA
Bin Code
Min.
Max.
C
567.5
570.5
D
570.5
573.5
E
573.5
576.5
Tolerance for each Dominate Wavelength bin is +/- 1nm
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Typical Electrical / Optical Characteristics Curves
(25°C Ambient Temperature Unless Otherwise Noted)
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Cleaning
Do not use unspecified chemical liquid to clean LED they could harm the package.
If clean is necessary, immerse the LED in ethyl alcohol or in isopropyl alcohol at normal temperature
for less one minute.
Suggest Soldering Pad Dimensions
Package Dimensions Of Tape And Reel
Notes:
1. All dimensions are in millimeters (inches).
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Notes:
1. Empty component pockets sealed with top cover tape.
2. 7 inch reel-4000 pieces per reel.
3. Minimum packing quantity is 500 pcs for remainders.
4. The maximum number of consecutive missing lamps is two.
5. In accordance with ANSI/EIA 481 specifications.
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LITE-ON TECHNOLOGY CORPORATION
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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 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 storage ambient for the LEDs should not exceed 30°C temperature or 60% 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 20 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
Soldering iron
150~200°C
Temperature
Soldering time
120 sec. Max.
260°C Max.
10 sec. Max.(Max. two times)
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.
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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.
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 >[email protected] for InGaN product and >[email protected] for AlInGaP
product.
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7. Reliability Test
Classification
Test Item
Reference Standard
Ta= Under Room Temperature As Per Data Sheet
Maximum Rating
*Test Time= 1000HRS (-24HRS,+72HRS)
MIL-STD-750D:1026 (1995)
MIL-STD-883D:1005 (1991)
JIS C 7021:B-1 (1982)
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(1980)
JIS C 7021:B-11(1982)
High Temperature
Storage
Ta= 105±5℃
*Test Time= 1000HRS (-24HRS,+72HRS)
MIL-STD-883D:1008 (1991)
JIS C 7021:B-10 (1982)
Low Temperature
Storage
Ta= -55±5℃
*Test Time=1000HRS (-24HRS,+72H RS)
JIS C 7021:B-12 (1982)
105℃ ~ 25℃ ~ -55℃ ~ 25℃
30mins 5mins
30mins 5mins
10 Cycles
MIL-STD-202F:107D (1980)
MIL-STD-750D:1051(1995)
MIL-STD-883D:1010 (1991)
JIS C 7021:A-4(1982)
IR-Reflow In-Board, 2 Times
85 ± 5℃ ~ -40℃ ± 5℃
10mins
10mins 10 Cycles
MIL-STD-202F:107D(1980)
MIL-STD-750D:1051(1995)
MIL-STD-883D:1011 (1991)
T.sol= 260 ± 5℃
Dwell Time= 10 ± 1secs
MIL-STD-202F:210A(1980)
MIL-STD-750D:2031(1995)
JIS C 7021:A-1(1982)
Operation Life
Endurance
Test
Test Condition
Temperature
Cycling
Thermal
Shock
Solder
Resistance
Environmental
Test
IR-Reflow
Pb Free Process
Solderability
Ramp-up rate(217℃ to Peak) +3℃/ second max
Temp. maintain above 217℃ 60-150 seconds
Peak temperature range 260℃+0/-5℃
Time within 5°C of actual Peak Temperature (tp)
10~30 seconds
Ramp-down rate +6℃/second max
MIL-STD-750D:2031.2
J-STD-020D
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)
T.sol= 235 ± 5℃
Immersion time 2±0.5 sec
Immersion rate 25±2.5 mm/sec
Coverage ≧95% of the dipped surface
8. Others
The appearance and specifications of the product may be modified for improvement without prior notice.
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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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