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NFSW036B: DescriptionSPECIFICATIONS FOR NICHIA CHIP TYPE WHITE LED; File Size706KB，14 Pages; ManufacturerETC1

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SPECIFICATIONS FOR NICHIA CHIP TYPE WHITE LED

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No. STSE-CC5129A

<Cat.No.051007>

SPECIFICATIONS FOR NICHIA CHIP TYPE

WHITE

LED

MODEL :

NFSW036BT

NICHIA CORPORATION

-0-

Nichia STSE-CC5129A

<Cat.No.051007>

7.CAUTIONS

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 with a zipper. 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 pink 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

· Nichia LED electrodes are silver plated. The silver surface may be affected by environments which

contain corrosive substances. Please avoid conditions which may cause the LED to corrode,

tarnish or discolor. This corrosion or discoloration may cause difficulty during soldering operations.

It is recommended that the User use the LEDs as soon as possible.

· Please avoid rapid transitions in ambient temperature, especially in high humidity environments where

condensation can occur.

(3) Static Electricity

· Static electricity or surge voltage damages the LEDs.

It is recommended that a wrist band or an anti-electrostatic glove be used when handling the LEDs.

· All devices, equipment and machinery must be properly grounded. It is recommended that precautions

be taken against surge voltage to the equipment that mounts the LEDs.

· When inspecting the final products in which LEDs were assembled, it is recommended to check

whether the assembled LEDs are damaged by static electricity or not.

It is easy to find

static-damaged LEDs by a light-on test or a VF test at a lower current (below 1mA is recommended).

· Damaged LEDs will show some unusual characteristics such as the forward voltage becomes lower,

or the LEDs do not light at the low current.

Criteria : (V

> 2.0V at I

=0.5mA)

-4-

NFSW036B Related Products

	NFSW036B	NFSW036BT
Description	SPECIFICATIONS FOR NICHIA CHIP TYPE WHITE LED	SPECIFICATIONS FOR NICHIA CHIP TYPE WHITE LED

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