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LTST-S271KRWT Datasheet(PDF) 4 Page - Lite-On Technology Corporation

Part No. LTST-S271KRWT
Description  ROHS, Side Looking Chip LED, Ultra Bright A1InGaP Chip LED
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Maker  LITEON [Lite-On Technology Corporation]
Homepage  http://www.liteon.com.tw/databook/default.htm
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LTST-S271KRWT Datasheet(HTML) 4 Page - Lite-On Technology Corporation

 
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LITE-ON
TECHNOLOGY
CORPORATION
P r o p e r t y o f L i t e - O n O n l y
Electrical
Optical
Characteristics
At
Ta=25℃
Parameter
Symbol
Part No.
LTST-
Min.
Typ.
Max.
Unit
Test Condition
Luminous Intensity
IV
S271KRWT
18.0
54.0
mcd
IF = 20mA
Note 1
Viewing Angle
2θ1/2
S271KRWT
130
deg
Note 2 (Fig.6)
Peak Emission Wavelength
λP
S271KRWT
639
nm
Measurement
@Peak (Fig.1)
Dominant Wavelength
λd
S271KRWT
631
nm
Note 3
Spectral Line Half-Width
Δλ
S271KRWT
20
nm
Forward Voltage
VF
S271KRWT
2.0
2.4
V
IF = 20mA
Reverse Current
IR
S271KRWT
10
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.
Part
No. : LTST-S271KRWT
Page :
4
of
12
BNS-OD-C131/A4


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