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PDF LW540S Data sheet ( Hoja de datos )
| Número de pieza | LW540S | |
| Descripción | LED Lamp | |
| Fabricantes | Seoul Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LW540S (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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WHITE LAMP LED
LW540S
Technical Datasheet
Lamp LEDs are effective in hot thermal
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
• Standoff leads
• 5mm package
• Viewing angle : 40 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
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WHITE LAMP LED
Characteristic Diagrams
Ta= 25ºC
100
10
1
2.4 2.8 3.2 3.6 4.0 4.4
Forward Voltage [V]
Forward Voltage vs. Forward Current
LW540S
Ta= 25ºC
4
3
2
1
0
0 20 40 60 80 100
Forward Current [mA]
Forward Current vs. Relative Intensity
Ta= 25ºC
40
30
20
10
0
-40 -20 0 20 40 60 80 100
Ambient Temperature Ta[oC]
Ambient Temperature vs. Forward Current
0.33 Ta= 25ºC
0.32
100mA
50mA
30mA
0.31 20mA
10mA
1mA 5mA
0.30
0.29
0.29 0.30 0.31 0.32 0.33
x
Forward Current vs. Chromaticity Coordinate
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WHITE LAMP LED
LW540S
Precaution for Use
1) Storage
• Before opening the package
Avoid the absorption of moisture, we recommended to store Lamp LEDs in a dry
box(or desiccators) with a desiccant . Otherwise, store them in the following environment:
Temperature : 5℃~30℃ Humidity : 50% max.
• 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 copper alloy. 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.
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| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LW540S.PDF ] | |
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