LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Features
* Low power consumption.
* High efficiency.
* Versatile mounting on P.C. board or panel.
* I.C. compatible/low current requirement.
* 3.1 mm diameter package.
Package Dimensions
Part No.
LTL-1CHEE
Lens
Red Transparent
Source Color
Hi-Eff.Red
NOTES:
1. All dimensions are in millimeters (inches).
2. Tolerance is
±
0.25mm(.010") unless otherwise noted.
3. Protruded resin under flange is 1.0mm(.04") max.
4. Lead spacing is measured where the leads emerge from the package.
5. Specifications are subject to change without notice.
Part No. : LTL-1CHEE
BNS-OD-C131/A4
Page :
1
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7
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Absolute Maximum Ratings at T
A
=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
Lead Soldering Temperature
[1.6mm(.063") From Body]
90
30
0.4
5
-55
℃
to + 100
℃
-55
℃
to + 100
℃
260
℃
for 5 Seconds
mA
mA
mA/
℃
V
Maximum Rating
100
Unit
mW
Part No. : LTL-1CHEE
BNS-OD-C131/A4
Page :
2
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Electrical Optical Characteristics at T
A
=25
℃
Parameter
Symbol
Min.
Typ.
Max.
Unit
Test Condition
I
F
= 10mA
Note 1,4
Note 2 (Fig.6)
Measurement
@Peak (Fig.1)
Note 3
Luminous Intensity
I
V
2
θ
1/2
λ
P
λ
d
Δλ
5.6
19
mcd
Viewing Angle
45
deg
Peak Emission Wavelength
635
nm
Dominant Wavelength
615
625
632
nm
Spectral Line Half-Width
40
nm
Forward Voltage
V
F
2.0
2.6
V
μ
A
I
F
= 20mA
Reverse Current
I
R
100
V
R
= 5V
Capacitance
C
20
pF
V
F
= 0 , f = 1MHz
Note: 1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE
(Commission International De L'Eclairage) eye-response curve.
2.
θ
1/2
is the off-axis angle at which the luminous intensity is half the axial luminous intensity.
3. The dominant wavelength,
λ
d
is derived from the CIE chromaticity diagram and represents the single
wavelength which defines the color of the device.
4. The Iv guarantee should be added
±
15% .
Part No. : LTL-1CHEE
BNS-OD-C131/A4
Page :
3
of
7
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 leadframe 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.
10 sec. Max.
Note: Excessive soldering temperature and/or time might result in deformation of the LED lens or
catastrophic failure of the LED. IR reflow is not suitable process for through hole type LED lamp
product.
Part No. : LTL-1CHEE
BNS-OD-C131/A4
Page : 5
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