NS2W123BT NICHIA CORPORATION, NS2W123BT Datasheet - Page 5

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NS2W123BT

Manufacturer Part Number
NS2W123BT
Description
Specifications For Nichia Chip Type White Led
Manufacturer
NICHIA CORPORATION
Datasheet

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7.CAUTIONS
(1) Moisture Proof Package
(2) Storage
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.
· When moisture is absorbed into the SMT package it may vaporize and expand during soldering.
· The moisture proof package is made of an aluminum moisture proof bag.
· Storage Conditions
· If the moisture absorbent material (silica gel) has faded away or the LEDs have exceeded the storage
· This product has silver plated metal parts that are inside and/or outside the package body.
· After assembly and during use, silver plating can be affected by the corrosive gases emitted by
· Please avoid rapid transitions in ambient temperature, especially in high humidity environments where
There is a possibility that this can cause exfoliation of the contacts and damage the optical
characteristics of the LEDs.
to a minimum in the package.
a moisture absorbent material (silica gel) is inserted into the aluminum moisture proof bag.
The silica gel changes its color from blue to red as it absorbs moisture.
time, baking treatment should be performed using the following condition.
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.
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.
condensation can occur.
Before opening the package :
After 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.
is recommended.
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.
stored in the moisture proof packages, such as sealed containers with packages of moisture
absorbent material (silica gel).
moisture proof bag and to reseal the moisture proof bag again.
Baking treatment : more than 24 hours at 65 ± 5°C
When storing the LEDs, moisture proof packaging with absorbent material (silica gel)
For this reason, the moisture proof package is used to keep moisture
It is also recommended to return the LEDs to the original
-4-
If unused LEDs remain, they should be
A package of
Nichia STS-DA1-0500C
<Cat.No.090602>
The silver

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