YAGeo CorPorATIoN
INDUCTORS / BEADS
SLF Series
APPLICATIONS
Portable telephones, computers, hard disk drives and other electronic equipment.
SMD Power Inductors
OUTLINE
SLF series is designed for low profile type with low Rdc and large current.
Its magnetic shielded type is suitable for high-density mounting and flat bottom surface allows for
reliable mounting onto the board.
Soldering conditions can be easily confirmed when mounting onto the board.
This series also provides customers with embossed carrier type packaging for automatic mounting
machines.
PRODUCT IDENTIFICATION
SLF
☐☐☐☐☐
-
☐☐☐☐
-
☐
Internal No.
Tolerance
Inductance
Packaging Style
Dimensions
Product Symbol
FEATURES
Low resistance and High Currents
■
Packaging: T = Tape and reel
■
Internal No.: N = Lead-Free
138
SHAPES AND DIMENSIONS
Figure 1
A
Unit: mm
Figure 2
Epoxy
A
Figure 3
B
Winding Start Mark
XXX
Marking
(Inductance Code)
B
XXX
XXX
Epoxy
E
C
Epoxy
C
D
F
A
C
Epoxy
D
E
Epoxy
D
B
F
E
F
TYPE
SLF0628
SLF0728
SLF0730
SLF0732
SLF0745
SLF1045
SLF1055
SLF1255
SLF1265
SLF1275
FIGURE
1
1
1
1
1
2
2
3
3
3
A
6 ± 0.2
7 ± 0.2
7 ± 0.2
7 ± 0.2
7 ± 0.2
10.1 ± 0.3
10.1 ± 0.3
12.5 ± 0.3
12.5 ± 0.3
12.5 ± 0.3
B
6 ± 0.2
7 ± 0.2
7 ± 0.2
7 ± 0.2
7 ± 0.2
10.1 ± 0.3
10.1 ± 0.3
12.5 ± 0.3
12.5 ± 0.3
12.5 ± 0.3
C
2.8 ± 0.2
2.8 ± 0.2
3.0 ± 0.2
3.2 ± 0.2
4.5 ± 0.3
4.5 ± 0.3
5.5 ± 0.3
5.5 ± 0.3
6.5 ± 0.35
7.5 ± 0.35
D
3.0 typ
4.9 typ
4.9 typ
4.9 typ
4.9 typ
6.0 typ
6.0 typ
8.6 typ
8.6 typ
8.6 typ
E
2 ± 0.1
2.0 typ
2.0 typ
2.0 typ
2.0 typ
3.0 typ
3.0 typ
3.0 typ
3.0 typ
3.0 typ
F
1.5 typ
0.9 typ
0.9 typ
0.9 typ
0.9 typ
2.0 typ
2.0 typ
2.0 typ
2.0 typ
2.0 typ
139
ELECTRICAL CHARACTERISTICS
SLF0628
PART NO.
INDUCTANCE
(µH)
TOLERANCE
(±%)
TEST
FREQUENCY
(KHz)
SLF0628T-4r7M-N
SLF0628T-6r8M-N
SLF0628T-100M-N
SLF0628T-150M-N
SLF0628T-220M-N
SLF0628T-330M-N
SLF0628T-470M-N
SLF0628T-680M-N
SLF0628T-101M-N
4.7
6.8
10
15
22
33
47
68
100
20
20
20
20
20
20
20
20
20
1
1
1
1
1
1
1
1
1
DC
RESISTANCE
(Ω) ±20%
0.0284
0.0354
0.0532
0.0745
0.104
0.148
0.210
0.290
0.430
RATED
CURRENT
(A) Max.
1.60
1.50
1.30
1.00
0.77
0.69
0.59
0.50
0.42
2.50
2.20
1.80
1.40
1.30
1.10
0.92
0.78
0.64
ITEMP
(A) Max.
Note:
Rated Current: Value obtained when DC current flows and the initial value of inductance has fallen by 30%.
Itemp Current: Value obtained when current flows and the temperature has risen to 25 °C.
Test equipment Inductance: HP4192A LF Impedance analyzer or equivalent (Test frequency: 1KHz/0.5V)
rDC: CH502BC
ELECTRICAL CHARACTERISTICS
SLF0728
PART NO.
INDUCTANCE
(µH)
TOLERANCE
(±%)
TEST
FREQUENCY
(KHz)
SLF0728T-3r3M-N
SLF0728T-4r7M-N
SLF0728T-6r8M-N
SLF0728T-100M-N
SLF0728T-150M-N
SLF0728T-220M-N
SLF0728T-330M-N
SLF0728T-470M-N
3.3
4.7
6.8
10
15
22
33
47
20
20
20
20
20
20
20
20
1
1
1
1
1
1
1
1
DC
RESISTANCE
(Ω) ±20%
0.037
0.045
0.059
0.083
0.130
0.180
0.240
0.340
RATED
CURRENT
(A) Max.
1.60
1.50
1.30
1.10
0.88
0.75
0.65
0.54
Note:
Rated Current: Value obtained when DC current flows and the initial value of inductance has fallen by 10%.
Test equipment Inductance: HP4192A LF Impedance analyzer or equivalent (Test frequency: 1KHz/0.5V)
rDC: CH502BC
140
ELECTRICAL CHARACTERISTICS
SLF0730
PART NO.
INDUCTANCE
(µH)
SLF0730T-3r3M-N
SLF0730T-4r7M-N
SLF0730T-6r8M-N
SLF0730T-100M-N
SLF0730T-150M-N
SLF0730T-220M-N
SLF0730T-330M-N
SLF0730T-470M-N
SLF0730T-680M-N
SLF0730T-101M-N
3.3
4.7
6.8
10
15
22
33
47
68
100
TOLERANCE
(±%)
20
20
20
20
20
20
20
20
20
20
TEST
FREQUENCY
(KHz)
1
1
1
1
1
1
1
1
1
1
DC
RESISTANCE
(Ω) ±20%
0.023
0.036
0.041
0.053
0.084
0.110
0.160
0.240
0.310
0.450
RATED
CURRENT
(A) Max.
1.80
1.60
1.50
1.30
1.00
0.86
0.65
0.57
0.49
0.35
Note:
Rated Current: Value obtained when DC current flows and the initial value of inductance has fallen by 10%.
Test equipment Inductance: HP4192A LF Impedance analyzer or equivalent (Test frequency: 1KHz/0.5V)
rDC: CH502BC
ELECTRICAL CHARACTERISTICS
SLF0732
PART NO.
INDUCTANCE
(µH)
SLF0732T-2r2M-N
SLF0732T-3r3M-N
SLF0732T-4r7M-N
SLF0732T-6r8M-N
SLF0732T-100M-N
SLF0732T-150M-N
SLF0732T-220M-N
SLF0732T-330M-N
SLF0732T-470M-N
SLF0732T-680M-N
SLF0732T-101M-N
SLF0732T-151M-N
SLF0732T-221M-N
SLF0732T-331M-N
SLF0732T-471M-N
SLF0732T-681M-N
SLF0732T-102M-N
2.2
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
470
680
1000
TOLERANCE
(±%)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
TEST
FREQUENCY
(KHz)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
DC
RESISTANCE
(Ω) ±20%
0.018
0.023
0.036
0.041
0.053
0.075
0.11
0.16
0.24
0.31
0.45
0.65
1.05
1.67
2.05
3.15
4.78
RATED
CURRENT
(A) Max.
2.10
1.90
1.70
1.60
1.40
1.10
0.96
0.75
0.67
0.59
0.45
0.37
0.29
0.22
0.20
0.16
0.13
Note:
Rated Current: Value obtained when DC current flows and the initial value of inductance has fallen by 10%.
Test equipment Inductance: HP4192A LF Impedance analyzer or equivalent (Test frequency: 1KHz/0.5V)
rDC: CH502BC
141
ELECTRICAL CHARACTERISTICS
SLF0745
PART NO.
INDUCTANCE
(µH)
SLF0745T-3r3M-N
SLF0745T-4r7M-N
SLF0745T-6r8M-N
SLF0745T-100M-N
SLF0745T-150M-N
SLF0745T-220M-N
SLF0745T-330M-N
SLF0745T-470M-N
SLF0745T-680M-N
SLF0745T-101M-N
SLF0745T-151M-N
SLF0745T-221M-N
SLF0745T-331M-N
SLF0745T-471M-N
SLF0745T-681M-N
SLF0745T-102M-N
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
470
680
1000
TOLERANCE
(±%)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
TEST
FREQUENCY
(KHz)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
DC
RESISTANCE
(Ω) ±20%
0.02
0.03
0.039
0.036
0.052
0.061
0.096
0.125
0.175
0.25
0.34
0.52
0.74
1.05
1.48
2.28
RATED
CURRENT
(A) Max.
2.50
2.00
1.70
1.30
1.10
0.90
0.82
0.75
0.60
0.50
0.40
0.33
0.25
0.22
0.20
0.14
2.30
2.10
1.74
1.78
1.53
1.34
1.09
0.92
0.77
0.65
0.55
0.45
0.37
0.31
0.27
0.25
ITEMP
(A) Max.
Note:
Rated Current: Value obtained when DC current flows and the initial value of inductance has fallen by 10%.
Itemp Current: Value obtained when current flows and the temperature has risen to 20 °C.
Test equipment Inductance: HP4192A LF Impedance analyzer or equivalent (Test frequency: 1KHz/0.5V)
rDC: CH502BC
ELECTRICAL CHARACTERISTICS
SLF1045
PART NO.
INDUCTANCE
(µH)
SLF1045T-100M-N
SLF1045T-150M-N
SLF1045T-220M-N
SLF1045T-330M-N
SLF1045T-470M-N
SLF1045T-680M-N
SLF1045T-101M-N
SLF1045T-151M-N
SLF1045T-221M-N
SLF1045T-331M-N
SLF1045T-471M-N
SLF1045T-681M-N
SLF1045T-102M-N
SLF1045T-152M-N
10
15
22
33
47
68
100
150
220
330
470
680
1000
1500
TOLERANCE
(±%)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
TEST
FREQUENCY
(KHz)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
DC
RESISTANCE
(Ω) ±20%
0.0364
0.0472
0.0591
0.0815
0.10
0.14
0.20
0.35
0.47
0.68
1.03
1.60
2.80
3.40
RATED
CURRENT
(A) Max.
3.00
2.40
2.10
1.60
1.40
1.20
1.00
0.79
0.65
0.54
0.47
0.38
0.32
0.22
2.50
2.20
1.90
1.70
1.50
1.30
1.10
0.81
0.70
0.58
0.47
0.38
0.29
0.26
ITEMP
(A) Max.
Note:
Rated Current: Value obtained when DC current flows and the initial value of inductance has fallen by 10%.
Itemp Current: Value obtained when current flows and the temperature has risen to 30 °C.
Test equipment Inductance: HP4192A LF Impedance analyzer or equivalent (Test frequency: 1KHz/0.5V)
rDC: CH502BC
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