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PDF NS3W183T-H1 Data sheet ( Hoja de datos )
| Número de pieza | NS3W183T-H1 | |
| Descripción | White LED | |
| Fabricantes | Nichia | |
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Nichia STS-DA1-0818
<Cat.No.090615>
SPECIFICATIONS FOR NICHIA CHIP TYPE WHITE LED
MODEL : NS3W183T-H1
NICHIA CORPORATION
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1 page  
7.CAUTIONS
Nichia STS-DA1-0818
<Cat.No.090615>
The LEDs are devices which are materialized by combining Blue LEDs and special phosphors.
Consequently, the color of the LEDs is changed a little by an operating current.
Care should be taken after due consideration when using LEDs.
(1) Moisture Proof Package
· When moisture is absorbed into the SMT package it may vaporize and expand during soldering.
There is a possibility that this can cause exfoliation of the contacts and damage the optical
characteristics of the LEDs. For this reason, the moisture proof package is used to keep moisture
to a minimum in the package.
· The moisture proof package is made of an aluminum moisture proof bag. A package of
a moisture absorbent material (silica gel) is inserted into the aluminium moisture proof bag.
The silica gel changes its color from blue to red as it absorbs moisture.
(2) Storage
· Storage Conditions
Before opening the package :
The LEDs should be kept at 30°C or less and 90%RH or less. The LEDs should be used within
a year. When storing the LEDs, moisture proof packaging with absorbent material (silica gel)
is recommended.
After opening the package :
The LEDs should be kept at 30°C or less and 70%RH or less. The LEDs should be soldered
within 168 hours (7days) after opening the package. If unused LEDs remain, they should be
stored in the moisture proof packages, such as sealed containers with packages of moisture
absorbent material (silica gel). It is also recommended to return the LEDs to the original
moisture proof bag and to reseal the moisture proof bag again.
· If the moisture absorbent material (silica gel) has faded away or the LEDs have exceeded the storage
time, baking treatment should be performed using the following condition.
Baking treatment : more than 24 hours at 65 ± 5°C
· This product has silver plated metal parts that are inside and/or outside the package body. The silver
plating becomes tarnished when being exposed to an environment which contains corrosive gases.
Any LED with tarnished leads may lead to poor solderability and deterioration of optical characteristics.
Please do not expose the LEDs to corrosive atmosphere during storage.
· After assembly and during use, silver plating can be affected by the corrosive gases emitted by
components and materials in close proximity of the LEDs within an end product, and the gases entering
into the product from the external atmosphere. The above should be taken into consideration when
designing.
· Please avoid rapid transitions in ambient temperature, especially in high humidity environments where
condensation can occur.
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Nichia STS-DA1-0818
<Cat.No.090615>
(7) Cleaning
· It is recommended that isopropyl alcohol be used as a solvent for cleaning the LEDs. When using
other solvents, it should be confirmed beforehand whether the solvents will dissolve the package and the
resin or not. Freon solvents should not be used to clean the LEDs because of worldwide regulations.
· Do not clean the LEDs by the ultrasonic. When it is absolutely necessary, the influence of ultrasonic
cleaning on the LEDs depends on factors such as ultrasonic power and the assembled condition.
Before cleaning, a pre-test should be done to confirm whether any damage to the LEDs will occur.
(8) Safety Guideline for Human Eyes
· The International Electrical Commission (IEC) published in 2006 IEC 62471:2006 Photobiological
safety of lamps and lamp systems which includes LEDs within its scope. Meanwhile LEDs were
removed from the scope of the IEC 60825-1:2007 laser safety standard, the 2001 edition of which
included LED sources within its scope. However, keep in mind that some countries and regions have
adopted standards based on the IEC laser safety standard IEC 60825-1:2001 which includes LEDs
within its scope.
Following IEC 62471:2006, most of Nichia LEDs can be classified as belonging to either Exempt
Group or Risk Group 1. Optical characteristics of a LED such as radiant flux, spectrum and light
distribution are factors that affect the risk group determination of the LED. Especially a high-power
LED, that emits light containing blue wavelengths, may be in Risk Group 2.
Great care should be taken when viewing directly the LED driven at high current or the LED with
optical instruments, which may greatly increase the hazard to your eyes.
(9) Others
· NS3W183-H1 complies with RoHS Directive.
· Flashing lights have been known to cause discomfort in people; you can prevent this by taking
precautions during use. Also, people should be cautious when using equipment that has had LEDs
incorporated into it.
· The LEDs described in this brochure are intended to be used for ordinary electronic equipment (such
as office equipment, communications equipment, measurement instruments and household appliances).
Consult Nichia’s sales staff in advance for information on the applications in which exceptional quality
and reliability are required, particularly when the failure or malfunction of the LEDs may directly
jeopardize life or health (such as for airplanes, aerospace, submersible repeaters, nuclear reactor
control systems, automobiles, traffic control equipment, life support systems and safety devices).
· The customer shall not reverse engineer by disassembling or analysis of the LEDs without having prior
written consent from Nichia. When defective LEDs are found, the customer shall inform Nichia
directly before disassembling or analysis.
· The formal specifications must be exchanged and signed by both parties before large volume purchase begins.
· The appearance and specifications of the product may be modified for improvement without notice.
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| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet NS3W183T-H1.PDF ] | |
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