LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Features
* High luminous intensity output.
* Low power consumption.
* High efficiency.
* Versatile mounting on PCB or panel.
* I.C. Compatible / low current requirements.
* Popular T-1
3/4
diameter.
Package Dimensions
Part No.
LTL2H3SEK / LTL2H3SYK
Lens
Water Clear
Source Color
AlInGaP Red / Amber
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. : LTL2H3SEK / LTL2H3SYK
BNS-OD-C131/A4
Page :
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Absolute Maximum Ratings at TA=25
°C
Parameter
Power Dissipation
Peak Forward Current
(1/10 Duty Cycle, 0.1ms Pulse Width)
DC Forward Current
Derating Linear From 25
°C
Reverse Voltage
Operating Temperature Range
Storage Temperature Range
Lead Soldering Temperature
[1.6mm(.063") From Body]
Maximum Rating
130
100
50
0.6
5
-40°C to + 80°C
-55°C to + 100°C
260
°C
for 5 Seconds
Unit
mW
mA
mA
mA/℃
V
Part No. : LTL2H3SEK / LTL2H3SYK
BNS-OD-C131/A4
Page :
2
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Electrical / Optical Characteristics at TA=25
°C
Parameter
Luminous Intensity
Viewing Angle
Peak Emission
Wavelength
Dominant Wavelength
Spectral Line
Half-Width
Forward Voltage
Reverse Current
Capacitance
Symbol
I
V
2θ
1/2
λ
P
λ
d
∆λ
V
F
I
R
C
40
2H3SEK
2H3SYK
2H3SEK
2H3SYK
2H3SEK
2H3SYK
2H3SEK
2H3SYK
Part NO.
(LTL)
2H3SEK
2H3SYK
Min.
2500
2500
Typ.
6350
5500
Max.
Unit
mcd
deg
nm
nm
nm
Test Condition
I
F
= 20mA
Note 1
Note 2 (Fig.5)
Measurement
@Peak (Fig.1)
Note 4
15
639
591
630
590
17
17
2.25
2.35
2.7
2.7
100
V
µA
pF
I
F
= 20mA
V
R
= 5V
V
F
= 0 , f = 1MHz
NOTE:
1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE
eye-response curve.
2.
θ
1/2
is the off-axis angle at which the luminous intensity is half the axial luminous intensity.
3. Iv classification code is marked on each packing bag.
4. 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. : LTL2H3SEK / LTL2H3SYK
BNS-OD-C131/A4
Page :
3
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Typical Electrical / Optical Characteristics Curves
(25
°C
Ambient Temperature Unless Otherwise Noted)
Part No. : LTL2H3SEK / LTL2H3SYK
BNS-OD-C131/A4
Page :
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
Packing Spec
1000, 500 or 250 pcs per packing bag
8 packing bags per inner carton
total 8000 pcs per inner carton
8 Inner cartons per outer carton
total 64000 pcs per outer carton
In every shipping lot, only the last pack will be non-full packing
Part No. : LTL2H3SEK / LTL2H3SYK
BNS-OD-C131/A4
Page :
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