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參數(shù)資料
| 型號(hào)： | NSTM515AS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SPECIFICATIONS FOR NICHIA FULL COLOR LED |
| 中文描述： | 的日亞的LED全彩規(guī)格 |
| 文件頁(yè)數(shù)： | 5/15頁(yè) |
| 文件大?。?/td> | 558K |
| 代理商： | NSTM515AS |
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-4-
Nichia STSE-CM2199A
<Cat.No.020911>
7.CAUTIONS
(1) Lead Forming
· When forming leads, the leads should be bent at a point at least 3mm from the base of the epoxy bulb.
Do not use the base of the leadframe as a fulcrum during lead forming.
· Lead forming should be done before soldering.
· Do not apply any bending stress to the base of the lead. The stress to the base may damage the
characteristics or it may break the LEDs.
· When mounting the LEDs onto a printed circuit board, the holes on the circuit board should be
exactly aligned with the leads of the LEDs. If the LEDs are mounted with stress at the leads,
it causes deterioration of the epoxy resin and this will degrade the LEDs.
(2) Storage
· The LEDs should be stored at 30°C or less and 70%RH or less after being shipped from Nichia and
the storage life limits are 3 months. If the LEDs are stored for 3 months or more, it can be stored for
a year by a sealed container with a nitrogen atmosphere and moisture absorbent material.
· The leads are plated with silver. The surface ingredients of leads will be changed by contact with
corroded gas etc. And it will cause the problem when soldering LEDs.
Precautions must be taken to maintain a clean storing atmosphere. And it is recommended to use
LEDs as soon as possible.
· Rapid temperature changes makes the moisture into the drop of water. Use storage areas where there
is minimal temperature fluctuation.
(3) Static Electricity
· Static electricity or surge voltage damages the Blue/Green LEDs.
It is recommended that a wrist band or an anti-electrostatic glove be used when handling the LEDs.
· All devices, equipments and machinery must be properly grounded.
It is recommended that measures 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 leak current remarkably
increases, the forward voltage becomes lower, or the LEDs do not light at the low current.
Criteria : (V
F
> 2.0V at I
F
=0.5mA)
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