PRECAUTIONS
SMD Inductors
Stages
Precautions
Technical considerations
1.Circuit Design
Operating environment,
1.The products described in this specification are intended for
use in general electronic equipment,(office supply
equipment, telecommunications systems, measuring
equipment, and household equipment). They are not
intended for use in mission-critical equipment or systems
requiring special quality and high reliability (traffic systems,
safety equipment, aerospace systems, nuclear control
systems and medical equipment including life-support
systems,) where product failure might result in loss of life,
injury or damage. For such uses, contact TAIYO YUDEN
Sales Department in advance.
2.PCB Design
Land pattern design
1.Please refer to a recommended land pattern.
Surface Mounting
・Mounting and soldering conditions should be checked beforehand.
・Applicable soldering process to this products is reflow soldering only.
5
1. When installing products, care should be taken not to apply distortion stress as it
may deform the products.
3.Considerations for
automatic placement
Adjustment of mounting machine
1.Excessive impact load should not be imposed on the
products when mounting onto the PC boards.
2.Mounting and soldering conditions should be checked
beforehand.
4.Soldering
Reflow soldering
1.If products are used beyond the range of the recommended conditions, heat stresses
may deform the products, and consequently degrade the reliability of the products.
1.Please contact any of our offices for a reflow soldering, and
refer to the recommended condition specified.
2.This products is reflow soldering only.
【BRC1608, BRL2012, BRL2518, BRC2016, BＲＬ3225Type】
Recommended reflow condition（Pb free solder）
3.Please do not add any stress to a product until it returns in
normal temperature after reflow soldering.
Lead free soldering
5sec max
300
Peak：260＋5/ー0℃
150～180
200
1.When using products with lead free soldering, we request to
use them after confirming of adhesion, temperature of
resistance to soldering heat, soldering etc sufficiently.
Recommended conditions for using a soldering iron:
( NR10050 type)
30±10sec
100
230℃ min
90±30sec
0
Ｈeating Time【sec】
Put the soldering iron on the land-pattern.
Soldering iron's temperature - Below 350 ℃
Duration - 3 seconds or less
【NRH24, NR30/40/60/80Type】
ꢀ
Recommended reflow condition（Pb free solder）
5sec max
300
200
100
The soldering iron should not directly touch the inductor.
Peak：250＋5/ー0℃
150～180
30±10sec
230℃ min
90±30sec
0
Ｈeating Time【sec】
【NR10050Type】
Recommended reflow condition（Pb free solder）
5sec max
300
200
100
Peak：250＋5/ー0℃
150～180
30±10sec
230℃ min
90±30sec
0
Ｈeating Time【sec】
Cleaning conditions
1.Washing by supersonic waves shall be avoided.
5.Cleaning
6.Handling
1.If washing by supersonic waves, supersonic waves may cause broken products.
Handling
1.Keep the product away from all magnets and magnetic objects.
Breakaway PC boards (splitting along perforations)
1.When splitting the PC board after mounting product, care
should be taken not to give any stresses of deflection or
twisting to the board.
1.Planning pattern configurations and the position of products should be carefully
performed to minimize stress.
2.Board separation should not be done manually, but by using
the appropriate devices.
Mechanical considerations
1.Please do not give the product any excessive mechanical shocks.
2.Please do not add any shock and power to a product in
transportation.
1.There is a case to be damaged by a mechanical shock.
2.There is a case to be broken by the handling in transportation.
Pick-up pressure
1.Please do not push to add any pressure to a winding part.
Please do not give any shock and push into a ferrite core
exposure part.
1.Damage and a characteristic can vary with an excessive shock or stress.
Packing
1.Please avoid accumulation of a packing box as much as possible.
1.There is a case that transformation and a product of tape are damaged by
accumulation of a packing box.
7.Storage conditions
Storage
1.To maintain the solderability of terminal electrodes and to
keep the packing material in good condition, temperature
and humidity in the storage area should be controlled.
・Recommended conditions
1.Under a high temperature and humidity environment, problems such as reduced
solderability caused by oxidation of terminal electrodes and deterioration of
taping/packaging materials may take place.
ꢀAmbient temperatureꢀꢀꢀꢀꢀ 0～40℃
ꢀHumidity
ꢀBelow 70% RH
The ambient temperature must be kept below 30℃. Even under
ideal storage conditions, solderability of products electrodes
may decrease as time passes. For this reason, product should
be used within 6 months from the time of delivery.
In case of storage over 6 months, solderability shall be
checked before actual usage.
！
当社カタログをご使用の際には「当社製品
に関するお断り」を必ずお読みください。
！
Please read the "Notice for TAIYO YUDEN products" before using this catalog.
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