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LTST-S221KGKT Datasheet(PDF) 4 Page - Lite-On Technology Corporation

Part No. LTST-S221KGKT
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-S221KGKT 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
S221KGKT
18.0
35.0
mcd
IF = 20mA
Note 1
Viewing Angle
2θ1/2
S221KGKT
130
deg
Note 2 (Fig.5)
Peak Emission Wavelength
λP
S221KGKT
574
nm
Measurement
@Peak (Fig.1)
Dominant Wavelength
λd
S221KGKT
571
nm
Note 3
Spectral Line Half-Width
∆λ
S221KGKT
15
nm
Forward Voltage
VF
S221KGKT
2.0
2.4
V
IF = 20mA
Reverse Current
IR
S221KGKT
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.
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-S221KGKT
Page :
4
of
12
BNS-OD-C131/A4


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