(1/2)
001-01 / 20030806 / e531_slf12555.fm
Inductors
For Power Line
SMD
FEATURES
• The SLF series are characterized by low profile, low DC
resistance, and high current handling capacities.
• Because they are magnetically shielded, these parts can be
used in high-density mounting configurations.
• Flat bottom surface ensures secure, reliable mounting.
• Provided in embossed carrier tape packaging for use with
automatic mounting machines.
APPLICATIONS
Portable telephones, personal computers, hard disk drives, and
other electronic equipment.
SPECIFICATIONS
Operating temperature range
Storage temperature range
–20 to +90°C
[Including self-temperature rise]
–40 to +90°C[Unit of products]
SLF Series SLF12555 Type
PRODUCT IDENTIFICATION
SLF 12555 T- 220 M 2R3 -2
(1)
(2) (3) (4) (5) (6) (7)
(1) Series name
(2) Dimensions L×W×T
12555
12.5×12.5×5.5mm
(3) Packaging style
T
Taping(reel)
(4) Inductance value
6R0
100
6µH
10µH
(5) Inductance tolerance
M
±20%
RECOMMENDED REFLOW SOLDERING CONDITIONS
5s
240±5˚C
220±5˚C
40s
Natural
cooling
(6) Rated current
1R9
R88
1.9A
0.88A
150˚C
130˚C
60 to 120s
Preheating
Time (s)
(7) TDK internal code
(Some products may not have this number. See the main body
for details.)
PACKAGING STYLE AND QUANTITIES
Packaging style
Taping
Quantity
500 pieces/reel
• All specifications are subject to change without notice.
(2/2)
001-01 / 20030806 / e531_slf12555.fm
Inductors
For Power Line
SMD
SLF Series SLF12555 Type
SHAPES AND DIMENSIONS/RECOMMENDED PC BOARD PATTERN
Marking
(Inductance code)
12.5±0.3
12.5±0.3
5.5±0.3
8.6±0.3
3±0.1
3.2
2.5 8.6 2.5
Weight: 2.4g
Dimensions in mm
330
ELECTRICAL CHARACTERISTICS
Rated current (A)
∗
max.
Part No.
Based on
Based on
inductance change
temperature rise
6
±30
1
0.0164
3.6
4.9
SLF12555T-6R0N3R6
10
±20
1
0.0215
3.4
4.3
SLF12555T-100M3R4
15
±20
1
0.0259
2.8
3.9
SLF12555T-150M2R8
22
±20
1
0.0338
2.3
3.4
SLF12555T-220M2R3
33
±20
1
0.0415
1.9
3.1
SLF12555T-330M1R9
47
±20
1
0.0618
1.6
2.5
SLF12555T-470M1R6
68
±20
1
0.0832
1.3
2.2
SLF12555T-680M1R3
100
±20
1
0.117
1.1
1.8
SLF12555T-101M1R1
150
±20
1
0.19
0.88
1.4
SLF12555T-151MR88
220
±20
1
0.27
0.72
1.2
SLF12555T-221MR72
330
±20
1
0.41
0.59
1
SLF12555T-331MR59
470
±20
1
0.52
0.49
0.88
SLF12555T-471MR49
680
±20
1
0.76
0.43
0.73
SLF12555T-681MR43
1000
±20
1
1.12
0.34
0.6
SLF12555T-102MR34
1500
±20
1
1.73
0.29
0.48
SLF12555T-152MR29
∗
Rated current: Value obtained when current flows and the temperature has risen to 30°C or when DC current flows and the initial value of inductance has
fallen by 10%, whichever is smaller.
• Test equipment L:YHP 4194A IMPEDANCE GAIN/PHASE ANALYZER, or equivalent (Measured at 1kHz/0.5V)
Rdc:MATSUSHITA VP-2941A DIGITAL MILLIOHM METER, or equivalent
Inductance
(µH)
Inductance
tolerance (%)
Test frequency
L (kHz)
DC resistance
(Ω)±20%
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE CHANGE vs. DC SUPERPOSITION
CHARACTERISTICS
10000
Universal
bridge
10
Test circuit L=0.1H C=20000µF
A
DC
Specimen
3000
1000
Inductance (
µH
)
YHP model-4275A or equivalent
1000µH
330µH
300
100
100µH
33µH
30
10
3
1
0.01 0.03
0.1
0.3
1
DC current (A)
3
• All specifications are subject to change without notice.
2±0.15
Winding start mark
0.1typ.
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