■
PRECAUTIONS
SMD Inductors
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
Precautions
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
Precautions
1. Please refer to a recommended land pattern.
◆Land
pattern design
Technical
Surface Mounting
consider-
・
Mounting and soldering conditions should be checked beforehand.
ations
・
Applicable soldering process to this products is reflow soldering only.
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.
Precautions
2. Mounting and soldering conditions should be checked beforehand.
Technical
◆Adjustment
of mounting machine
consider-
1. When installing products, care should be taken not to apply distortion stress as it may deform the products.
ations
4. Soldering
◆Reflow
soldering
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.
3. Please do not add any stress to a product until it returns in normal temperature after reflow soldering.
◆Lead
free soldering
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
Precautions
sufficiently.
◆Recommended
conditions for using a soldering iron (NR10050 Type)
・
Put the soldering iron on the land-pattern.
・
Soldering iron's temperature - Below 350℃
・
Duration - 3 seconds or less
・
The soldering iron should not directly touch the inductor.
◆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.
・BRC1608,
BRL2012, BRL2518,
BRC2016, BRL3225 Type BRC2518, BRFL2518
Recommended reflow condition (Pb free solder)
Temperature
℃�½
［
・NR30/40/50/60/80,
NRV30, NRG40,
NRH24/30, NRS50/60 Type
Recommended reflow condition (Pb free solder)
Temperature
℃�½
［
300
200
100
0
150∼180
5sec max
Peak
：
250＋5/ー0℃
30±10sec
230℃
min
・NR10050
Type
Recommended reflow condition (Pb free solder)
Temperature
℃�½
［
300
200
100
0
150∼180
5sec max
Peak
：
250＋0/ー5℃
30±10sec
230℃
min
Technical
consider-
ations
300
200
100
0
150∼180
5sec max
Peak
：
260＋0/ー5℃
30±10sec
230℃ min
90±30sec
90±30sec
90±30sec
Ｈeating
Time sec】
【
Ｈeating
Time sec】
【
Ｈeating
Time sec】
【
5. Cleaning
Precautions
Technical
consider-
ations
6. Handling
◆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.
2. Board separation should not be done manually, but by using the appropriate devices.
◆Mechanical
considerations
Precautions
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.
◆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.。
◆Packing
1. Please avoid accumulation of a packing box as much as possible.
◆Breakaway
PC boards (splitting along perforations)
1. Planning pattern configurations and the position of products should be carefully performed to minimize stress.
◆Mechanical
considerations
1. There is a case to be damaged by a mechanical shock.
Technical
2. There is a case to be broken by the handling in transportation.
consider-
ations
◆Pick-up
pressure
1. Damage and a characteristic can vary with an excessive shock or stress.
◆Packing
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.
Precautions
・
Recommended conditions
Ambient temperature : 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.
◆Storage
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.
◆Cleaning
conditions
1. Washing by supersonic waves shall be avoided.
◆Cleaning
conditions
1. If washing by supersonic waves, supersonic waves may cause broken products.
Technical
consider-
ations
＊
This catalog contains the typical specification only due to the limitation of space. When you consider purchase of our products, please check our specification.
For details of each product (characteristics graph, reliability information, precautions for use, and so on), see our Web site (http://www.ty-top.com/) or CD catalogs.
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TAIYO-YUDEN [ TAIYO YUDEN (U.S.A.), INC ]
