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LEM-54221T Fiches technique(PDF) 1 Page - List of Unclassifed Manufacturers

No de pièce LEM-54221T
Description  SURFACE MOUNT CHIP LED LAMPS
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LEM-54221T Fiches technique(HTML) 1 Page - List of Unclassifed Manufacturers

  LEM-54221T Datasheet HTML 1Page - List of Unclassifed Manufacturers  
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Letex Technology Corp.
SURFACE MOUNT CHIP LED LAMPS
Model No. LEM-54221T
FEATURES:
APPLICATION:
※Ultra compact (2.0×1.25×0.8)
※ Indicators on printed circuit boards
※ LCD Back-lights
※Auto insertable.
Using 8 mm wide tape
※ Illuminations
※Ultra low profile
※ Automotive-Telecommunication
Emitted Color
Material
Wavelength (nm)
Lens Color
Ultra Yellow Green
AlGaInp
574
Water Clear
ABSOLUTE MAXIMUM RATINGS (Ta = 25℃)
CHARACTERISTIC
SYMBOL
RATING
UNIT
Power dissipation
Pm
78
mW
Forward direct current
IFm
30
mA
Peak forward current
IFp
100
mA
Reverse voltage
VRm
5
V
Operating temperature
Topr
-25 to +80
Storage temperature
Tstg
-30 to +85
ELECTRO-OPTICAL CHARACTERISTICS (Ta = 25℃)
CHARACTERISTIC
SYMBOL
CONDITION
Min.
Typ.
Max.
UNIT
Luminous intensity
Iv
IF=20mA
20
45
mcd
Forward voltage
VF
IF=20mA
2.2
2.7
V
Reverse current
IR
VR=5V
10
µA
Peak emission wavelength
λP
IF=20mA
575
nm
Dominant wavelength
λD
IF=20mA
574
nm
Viewing angle
2θ1/2
IF=20mA
130
deg.
PACKAGE DIMENSIONS OF DEVICE
Recommended Soldering Pattern
for Reflow Soldering
Note: 1. All dimensions are in millimeters.
2. Tolerance is ±0.25mm unless otherwise specified.


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