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PDF LW551A Data sheet ( Hoja de datos )
| Número de pieza | LW551A | |
| Descripción | White Lamp LED | |
| Fabricantes | ETC | |
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Hay una vista previa y un enlace de descarga de LW551A (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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WHITE LAMP LED
LW551A
Technical Datasheet
[ Preliminary ]
Lamp LEDs are effective in hot thermal
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and humid condition. This high brightness
and weather-resistant packaging design
makes these Lamp LEDs ideal for outdoor
applications such as traffic signals, variable
message signs and backlighting for
transparent sign panels
Features
• High luminous white emission
• Non-standoff leads
• 5mm package
• Viewing angle : 52 º
• Color Coordinates : x=0.31 y=0.31
Applications
• Electronic signs and signals
• Specialty lighting
• Small area illumination
• Torches and head lamps
• Backlighting
• Outdoor displays
-1- <060915> Rev. 0.3
서식번호 : QP-7-03-05 (Rev.00)
1 page  
WHITE LAMP LED
Characteristic Diagrams
Ta= 25ºC
100
10
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1
2.4 2.8 3.2 3.6 4.0 4.4 4.8 5.2
Forward Voltage [V]
Forward Voltage vs. Forward Current
LW551A
Ta= 25ºC
4
3
2
1
0
0 20 40 60 80 100
Forward Current [mA]
Forward Current vs. Relative Intensity
40 0.33
30 0.32
20 0.31
10 0.30
0
-40 -20 0 20 40 60 80 100
Ambient Temperature Ta[oC]
Ambient Temperature
vs. Maximum Forward Current
0.29
0.29
-5-
Ta= 25ºC, IF= 20mA
100mA
1mA
50mA
30mA
10mA20mA
5mA
0.30 0.31 0.32
x
Directivity
0.33
<060915> Rev. 0.3
서식번호 : QP-7-03-05 (Rev.00)
5 Page 
WHITE LAMP LED
LW551A
Precaution for Use
1) Storage
• Before opening the package
a. Avoid the absorption of moisture, we recommended to store the LEDs in a dry
box(or desiccator) with a desiccant . Otherwise, store them in the following environment:
Temperature : 5℃~30℃ Humidity : 50% max.
b. The products should be used in 3 months. It is recommended that the LEDs be used as
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• After opening the package
a. Soldering should be done right after opening the package(within 24Hrs).
b. Keeping of a fraction
- Sealing
- Temperature : 5 ~ 40℃, Humidity : less than 30%
c. If the package has been opened more than 1week or the color of desiccant changes,
Components should be dried for 10-12hr at 60±5℃
• Any mechanical force or any excess vibration shall not be accepted to apply during cooling
process to normal temp. after soldering.
• Avoid quick cooling
• Leadframes are silver plated SPCC. The silver plate surface may be affected by
environments which contains corrosive substances. Please avoid conditions which may cause
the LEDs to corrode, tarnish or discolor.
2) Lead Forming
• When the lead forming is required before soldering , care must be taken to avoid any bending
and mechanical stress. The stress to the base may damage the LEDs.
• When mounting the LEDs onto a PCB, the holes on the circuit board should be exactly
aligned with the leads of the LEDs.
• It is recommended that tooling made to precisely form and cut the leads to length rather than
rely on hand operating.
-11- <060915> Rev. 0.3
서식번호 : QP-7-03-05 (Rev.00)
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LW551A.PDF ] | |
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