LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Piranha LEDs
Pb Free
LTL912CGKS7
Selection Guide
Part No.
LTL912CGKS7
Color
Φv (lm)
Va(deg.)
λd(nm)
Green
2.4
45
525
Benefits
Fewer LEDs Required
z Lower lighting System Cost
z
Applications
z
z
z
Automotive Lighting
Signs and Signals
Room Lighting
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Page 1 of 12
LITE-ON TECHNOLOGY CORPORATION
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Features
High Current Operation
High Flux Output
Low Thermal Resistance
Low Profile
Wide Viewing Angle
Meet SAE/ ECE/ JIS Automotive Color
Requirement
z Tube Package for Automatic Loading and
Insertion Process
z
z
z
z
z
z
Description
These parts are designed for high current operation and high flux output applications. In
order to solve the high temperature produced by the higher current operation, the package’s
design features better thermal management characteristics than other LED solutions coupled
with an efficient optical design.
This package design allows the lighting designer to reduce the number of LEDs required as
well as the overall lighting system cost. The low profile package can be easily coupled to
reflectors or lenses to efficiently distribute light and provide the desired illuminated appearance.
This product family employs the world’s brightest red, red-orange, amber, blue, cyan, green,
and white LED materials etc., which allow designers to match the color of popular lighting
applications, such as automotive lighting and electronic signs.
Devices
Part No (LTL*)
LTL912CGKS7
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Source
Lens
Color
Diffusion
Water Clear
Non-Diffused
Dice
Source
InGaN
Page 2 of 12
Color
Green
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Package Dimensions
NOTES:
1. All dimensions are in millimeters (inches).
2. Protruded resin is 1.0mm(.04") max.
3. Lead spacing is measured where the leads emerge from the package.
4. Specifications are subject change to without notice.
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Page 3 of 12
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Absolute Maximum Ratings at TA=25℃
Parameter
InGaN
Unit
Power Dissipation
225
mW
Peak Forward Current
(1/10 Duty Cycle, 0.1ms Pulse
Width)
100
mA
Continuous Forward Current
50
mA
Reverse Voltage (IR =100 μA)
5
V
Operating Temperature Range
-40℃ to + 100℃
Storage Temperature Range
-55℃ to + 100℃
LED Junction Temperature
125℃
Soldering Preheat Temperature
Lead Soldering Temperature
100℃ for 30 Seconds
260℃ for 5 Seconds [1.5mm (.06”) From Seating Plane]
Notes:
1. Operation at currents below 10mA is not recommended.
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Page 4 of 12
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Electrical / Optical Characteristics at TA=25℃
Parameter
Min.
Typ.
1
2.4
lm
IF=50mA
Iv / Øv LTL912CGKS7
0.9
cd /lm
IF=50mA
2θ1/2 LTL912CGKS7
45
deg
λp
LTL912CGKS7
518
IF=50mA
λd
LTL912CGKS7
525
IF=50mA
Forward Voltage
VF
LTL912CGKS7
4.3
Reverse Voltage
VR
LTL912CGKS7
Total Flux
Luminous Intensity
/ Total Flux
Viewing Angle
Peak Emission
Wavelength
Symbol
Øv
Part No.
LTL912CGKS7
Max.
Unit
Test Condition
Dominant
Wavelength
Thermal resistance
Note:
RθJ-A LTL912CGKS7
5
5.2
V
IF=50mA
10
V
IR = 100μA
300
℃/W
1. Øv is the total luminous flux output as measured with an integrating sphere.
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.
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Page 5 of 12
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Typical Electrical / Optical Characteristics Curves
(25℃ Ambient Temperature Unless Otherwise Noted)
1.2
Relative Intensity
1.0
0.8
0.6
0.4
0.2
0.0
430
450
470
490
510
530
550
570
590
610
630
650
Wavelength (nm)
60
Forward Current IF (mA)
Forward Current If (mA)
Fig. 1 Relative Intensity VS Wavelength
40
20
0
60
50
40
30
20
10
0
2
2.5
3
3.5
4
4.5
5
0
10
20
30
40
Forword Voltage Vf (V)
60
70
80
90
100
TAmbient(℃)
Fig. 2 Forward Current VS Forward Voltage
Fig. 3 Forward Current VS Ambient Temperature
1.2
Relative Luminous Intensity
1.2
Relative Luminous Intensity
50
1
0.8
0.6
0.4
0.2
0
1
0.8
0.6
0.4
0.2
0
0
10
20
30
40
50
Forwrad Current If (mA)
Fig. 4 Relative Intensity VS Forward Current
Part No. : LTL912CGKS7
BNS-OD-C131/A4
60
-80
-60
-40
-20
0
20
40
60
Viewing Angule (deg.)
Fig. 5 Relative Intensity VS Off Axis Angle
Page 6 of 12
80
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Bin Code List For Reference
Category Code
D
8
G3
Luminous Flux
(Light-output; lm)
@IF=50mA, TA=25℃
Bin Code
B
C
D
E
F
G
Minimum Maximum
1.0
1.8
1.5
2.4
2.0
3.0
2.5
3.6
3.0
4.2
3.5
4.8
Forward Voltage
(Volt)
@IF=50mA, TA=25℃
Bin Code
3
4
5
6
7
8
9
Minimum Maximum
3.60
4.00
3.80
4.20
4.00
4.40
4.20
4.60
4.40
4.80
4.60
5.00
4.80
5.20
Hue
(nm)
@IF=50mA, TA=25℃
Bin Code
G2
G3
G4
G5
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Minimum Maximum
514
521
519
526
524
531
529
536
Page 7 of 12
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Packing Spec
1. Tube: 65pcs
Dim: 520mm x 9.6mm x 11.8mm
2. Inner carton: 187 tubes x 65 pcs = 12,155 pcs
Dim: 530mm x 175mm x 128mm
3. Outer carton: 4 inner cartons x 12,155 pcs = 48,620 pcs
Dim: 545mm x 370mm x 280mm
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Page 8 of 12
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 30°C temperature or 70% relative humidity.
It is recommended that LEDs out of their original packaging are used within three months.
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 desiccators with nitrogen ambient.
3. Cleaning
Use alcohol-based cleaning solvents such as isopropyl alcohol to clean the LEDs if necessary.
4. Lead Forming & Assembly
During lead forming, the leads should be bent at a point at least 3mm from the base of LED lens.
Do not use the base of the lead frame as a fulcrum during forming.
Lead forming must be done before soldering, at normal temperature.
During assembly on PCB, use minimum clinch force possible to avoid excessive mechanical stress.
5. Soldering
When soldering, leave a minimum of 2mm clearance from the base of the lens to the soldering point.
Dipping the lens into the solder must be avoided.
Do not apply any external stress to the lead frame during soldering while the LED is at high temperature.
Recommended soldering conditions :
Soldering iron
Temperature
Soldering time
300°C Max.
3 sec. Max.
(one time only)
Wave soldering
Pre-heat
Pre-heat time
Solder wave
Soldering time
100°C Max.
60 sec. Max.
260°C Max.
5 sec. Max.
Note: Excessive soldering temperature and/or time might result in deformation of the LED lens or catastrophic
failure of the LED. IR re-flow is not suitable process for through whole type Piranha LED production.
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Page 9 of 12
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
The suggesting soldering conditions are listed in table which is on page 9. The wave solder temperature profile
which is showed as below figure is taken on the bottom side of the PCB board. Both of the suggesting and maximum
conditions are all shown in the figure as below.
Wave Solder Temperature Profile
280
Peak
2.5sec (Timemax=5sec)
240
200
o
Temperature ( C)
235℃(Tempmax=260℃)
160
Preheat
30±5sec (Timemax=60sec)
120
85±15℃(Tempmax=100℃)
80
40
0
0
8
16
24
32
40
48
Time (Sec)
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Page : 10 of 12
56
64
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
6. 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
7. ESD (Electrostatic Discharge)
Static Electricity or power surge will damage the LED.
Suggestions to prevent ESD damage:
Use 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 LEDs
plastic lens as a result of friction between LEDs during storage and handing
ESD-damaged Leeds will exhibit abnormal characteristics such as high reverse leakage current, low
forward voltage, or “no light up” 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.
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Page 11 of 12
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
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 DSL?
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?
8. Others
The appearance and specifications of the product may be modified for improvement, without prior notice.
Liteon may make process or materials changes affecting the performance or other characteristics of our products.
These products supplied after such changes will continue to meet published specifications, but may not be
identical to products supplied as samples or under prior orders.
Part No. : LTL912CGKS7
BNS-OD-C131/A4
Page 12 of 12
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