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May 2013
Inductors for Power Circuits
Wound Ferrite
SLF
series
SLF6025
SLF6028
SLF6045
SLF7032
SLF7045
SLF7055
SLF10145
SLF10165
SLF12555
SLF12565
SLF12575
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REMINDERS FOR USING THESE PRODUCTS
Before using these products, be sure to request the delivery specifications.
SAFETY REMINDERS
Please pay sufficient attention to the warnings for safe designing when using these products.
REMINDERS
The storage period is less than 6 months. Be sure to follow the storage conditions (Temperature: 5 to 30°C, Humidity: 10 to 75% RH or
less).
If the storage period elapses, the soldering of the terminal electrodes may deteriorate.
Do not use or store in locations where there are conditions such as gas corrosion (salt, acid, alkali, etc.).
Before soldering, be sure to preheat components.
The preheating temperature should be set so that the temperature difference between the solder temperature and chip temperature
does not exceed 150°C.
Soldering corrections after mounting should be within the range of the conditions determined in the specifications.
If overheated, a short circuit, performance deterioration, or lifespan shortening may occur.
When embedding a printed circuit board where a chip is mounted to a set, be sure that residual stress is not given to the chip due to
the overall distortion of the printed circuit board and partial distortion such as at screw tightening portions.
Self heating (temperature increase) occurs when the power is turned ON, so the tolerance should be sufficient for the set thermal
design.
Carefully lay out the coil for the circuit board design of the non-magnetic shield type.
A malfunction may occur due to magnetic interference.
Use a wrist band to discharge static electricity in your body through the grounding wire.
Do not expose the products to magnets or magnetic fields.
Do not use for a purpose outside of the contents regulated in the delivery specifications.
The products listed on this catalog are intended for use in general electronic equipment (AV equipment, telecommunications
equipment, home appliances, amusement equipment, computer equipment, personal equipment, office equipment, measurement
equipment, industrial robots) under a normal operation and use condition.
The products are not designed or warranted to meet the requirements of the applications listed below, whose performance and/or
quality require a more stringent level of safety or reliability, or whose failure, malfunction or trouble could cause serious damage to
society, person or property.
If you intend to use the products in the applications listed below or if you have special requirements exceeding the range or conditions
set forth in the each catalog, please contact us.
(1) Aerospace/Aviation equipment
(2) Transportation equipment (cars, electric trains, ships, etc.)
(3) Medical equipment
(4) Power-generation control equipment
(5) Atomic energy-related equipment
(6) Seabed equipment
(7) Transportation control equipment
(8) Public information-processing equipment
(9) Military equipment
(10) Electric heating apparatus, burning equipment
(11) Disaster prevention/crime prevention equipment
(12) Safety equipment
(13) Other applications that are not considered general-purpose
applications
When designing your equipment even for general-purpose applications, you are kindly requested to take into consideration securing
protection circuit/device or providing backup circuits in your equipment.
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Product compatible with RoHS directive
Compatible with lead-free solders
Inductors for Power Circuits
Wound Ferrite
Overview of the SLF Series
FEATURES
Magnetic shield type wound inductor for power circuits.
Product lineup allows for various usages.
APPLICATION
Thin-screen TV, LCDs, AV equipment, gaming equipment, other electrical devices
PART NUMBER CONSTRUCTION
SLF
Series name
6025
L×W×H Dimensions
(mm)
6025
6.0×6.0×2.5
6028
6.0×6.0×2.8
6045
6.0×6.0×4.5
7032
7.0×7.0×3.2
7045
7.0×7.0×4.5
7055
7.0×7.0×5.5
10145 10.1×10.1×4.5
10165 10.1×10.1×6.8
12555 12.5×12.5×5.5
12565 12.5×12.5×6.5
12575 12.5×12.5×7.5
T
T
Packaging style
Taping
-
4R7
Inductance
(µH)
1R0
1.0
100
10
101
100
M
Inductance
tolerance
M
±20%
N
±30%
1R5
Rated current
(A)
R47
0.47
2R2
2.2
150
15
-
PF
Internal code
OPERATING TEMPERATURE RANGE, PACKAGE QUANTITY, PRODUCT WEIGHT
Temperature range
Package quantity
Operating
Storage
Type
temperature
temperature
(pieces/reel)
（°C）
（°C）
SLF6025
–40 to +105
–40 to +105
1000
SLF6028
–40 to +105
–40 to +105
1000
SLF6045
–40 to +105
–40 to +105
1000
SLF7032
–40 to +105
–40 to +105
1000
SLF7045
–40 to +105
–40 to +105
1000
SLF7055
–40 to +105
–40 to +105
1000
SLF10145
–40 to +105
–40 to +105
500
SLF10165
–40 to +105
–40 to +105
500
SLF12555
–40 to +105
–40 to +105
500
SLF12565
–40 to +105
–40 to +105
500
SLF12575
–40 to +105
–40 to +105
500
Operating temperature range includes self-temperature rise.
The Storage temperature range is for after the circuit board is mounted.
Individual weight
（g）
0.3
0.3
0.4
0.4
0.6
0.8
1.3
1.9
2.6
3.2
3.6
RoHS Directive Compliant Product: See the following for more details related to RoHS Directive compliant products. http://www.tdk.co.jp/rohs/
• All specifications are subject to change without notice.
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Overview of the SLF Series
RECOMMENDED REFLOW PROFILE
Preheating
Soldering
Peak
Natural
cooling
T4
T:
Temperature
T3
T3
T2
T1
t1
t3
t2
t:
Time
Preheating
Temp.
T1
T2
150°C
180°C
Time
t1
60 to 120s
Soldering
Temp.
Time
T3
t2
230°C
30s
Peak
Temp.
T4
250°C
Time
t3
5s
• All specifications are subject to change without notice.
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SLF
series
SLF6025 Type
SHAPE & DIMENSIONS
6±0.2
4R7
6±0.2
2±0.1
0.9
4
0.9
2.5±0.2
Dimensions in mm
RECOMMENDED LAND PATTERN
2.2
1.5
4
1.5
Dimensions in mm
• All specifications are subject to change without notice.
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微控制器 MCU
