LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Features
* Meet ROHS, Green Product.
* Side Looking Chip LED With Tin Plating.
* Ultra Bright GaAsP on GaP 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
Part No.
LTST-S270AKT
Notes:
1. All dimensions are in millimeters (inches).
Lens
Water Clear
Source Color
GaAsP on GaP Orange
2. Tolerance is ± 0.10 mm (.004") unless otherwise noted.
Part
No. : LTST-S270AKT
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BNS-OD-C131/A4
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Absolute
Maximum
Ratings
At
Ta=25
℃
LTST-S270AKT
75
Parameter
Power Dissipation
Peak Forward Current
(1/10 Duty Cycle, 0.1ms Pulse Width)
DC Forward Current
Operating Temperature Range
Storage Temperature Range
Infrared Soldering Condition
Unit
mW
80
mA
30
-30°C to + 85°C
-40°C to + 85°C
260°C For 10 Seconds
mA
Part
No. : LTST-S270AKT
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BNS-OD-C131/A4
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Suggestion Profile:
Suggestion IR Reflow Profile For Pb Free Process
Soldering Profiles Below 245 Degrees Will Not Be Sufficient Without Tin Plating
Part
No. : LTST-S270AKT
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BNS-OD-C131/A4
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Electrical
Optical
Characteristics
Symbol
At
Ta=25
℃
Min.
Typ.
Max.
Unit
Test Condition
IF = 20mA
Note 1
Parameter
Part No.
LTST-
Luminous Intensity
IV
S270AKT
1.8
6.0
18.0
mcd
Viewing Angle
2θ1/2
S270AKT
130
deg
Note 2 (Fig.6)
Peak Emission Wavelength
λP
S270AKT
610
nm
Measurement
@Peak (Fig.1)
Dominant Wavelength
λd
S270AKT
602
nm
Note 3
Spectral Line Half-Width
Δλ
S270AKT
35
nm
Forward Voltage
VF
S270AKT
2.1
2.6
V
IF = 20mA
Reverse Current
IR
S270AKT
100
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.
Part
No. : LTST-S270AKT
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BNS-OD-C131/A4
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Bin Code List
Luminous Intensity
Bin Code
G
H
J
K
L
Min.
1.80
2.80
4.50
7.10
11.2
Tolerance on each Intensity bin is +/-15%
Unit : mcd @20mA
Max.
2.80
4.50
7.10
11.2
18.0
Part
No. : LTST-S270AKT
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BNS-OD-C131/A4
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