SMD Shielded Power Inductors - SLFA Series
SLFA Series
Features
RoHS, Halogen Free and REACH Compliance
Magnetically shielded type
Cost effective
Low DCR
Applications
TV
Laptop
Mainboard
Automotive devices
Commercial devices
Product Identification
SLFA 5D28
Shape and Dimensions
Recommended Pattern
Dimensions in mm
TYPE
SLFA5D28
A
6.3
+0
Dimension in mm
B
6.3
+0
C
3.0
+0
D
2.0
E
4.0
F
0.9
TYPE
SLFA5D28
A
2.2
B
1.5
C
4.0
SLFA 0745~1255
Shape and Dimensions
Recommended Pattern
Dimension in mm
TYPE
SLFA0745
SLFA0755
SLFA1255
A
B
C
4.8
5.8
5.8
+0
+0
+0
Dimension in mm
D
5.5
5.5
8.0
E
0.9
0.9
2.0
F
2.0
2.0
2.7
TYPE
SLFA0745
SLFA0755
SLFA1255
A
2.2
2.2
3.2
B
1.5
1.5
2.6
C
4.8
4.8
7.5
7.3±0.2 7.3±0.2
7.3±0.2 7.3±0.2
12.5
+0
+0
12.5
SMD Shielded Power Inductors – SLFA Series
Standard Specifications
Part Number
SLFA5D28T-6R8T-N
SLFA5D28T-100M-N
SLFA5D28T-150M-N
SLFA5D28T-220M-N
SLFA5D28T-330M-N
SLFA5D28T-470M-N
SLFA5D28T-680M-N
SLFA5D28T-101M-N
SLFA5D28T-151M-N
SLFA5D28T-221M-N
Inductance
(uH)
6.8
10
15
22
33
47
68
100
150
220
Tolerance
(±%)
30
20
20
20
20
20
20
20
30
20
Test
Frequency
(kHz)
100
100
100
100
100
100
100
100
100
100
SRF
(MHz) Min
35
20
15
10
7
5
4
4
4
3.2
RDC
(mΩ) Max
42
63.8
89.4
124
177
252
348
516
780
1170
Isat
(A)
1.50
1.30
1.00
0.77
0.69
0.59
0.50
0.42
0.34
0.26
Irms
(A)
2.20
1.80
1.40
1.30
1.10
0.92
0.78
0.64
0.50
0.38
Marking
6R8
100
150
220
330
470
680
101
151
221
Note: When ordering, please specify tolerance code. Tolerance: M=±20% , T=±30%
Operating temperature range－40℃½125℃(Including self - temperature rise)
Isat for Inductance drop 30% from its value with current
Irms for a 25℃ temprature rise from 25℃ ambient
Measure Equipment：
L：L: WK6500B+WK6565, 100kHz/ 1V
RDC：CHROMA MILLIOHM METER MODE 16502
Isat：WK3260B+WK3265B
Inductance vs. Frequency Charateristics
500
450
400
350
300
Inductance vs. DC Current
240
220
200
180
160
221
221
L(uH)
L(uH)
101
250
200
150
100
50
0
0.001
140
120
100
80
101
680
220
680
60
40
220
6R8
100
20
0
6R8
1.4
1.6
1.8
2
2.2
0.01
0.1
1
10
0
0.2
0.4
0.6
0.8
1
1.2
Frequecny(MHz)
DC Current(A)
SMD Shielded Power Inductors – SLFA Series
Standard Specifications
Part Number
SLFA0745T-3R3M-N
SLFA0745T-4R7M-N
SLFA0745T-6R8M-N
SLFA0745T-100M-N
SLFA0745T-150M-N
SLFA0745T-220M-N
SLFA0745T-330M-N
SLFA0745T-470M-N
SLFA0745T-680M-N
SLFA0745T-101M-N
SLFA0745T-151M-N
SLFA0745T-221M-N
SLFA0745T-331M-N
SLFA0745T-471M-N
SLFA0745T-681M-N
SLFA0745T-102M-N
Inductance
(uH)
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)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
SRF
(MHz) Min
90
65
24
17
14
10.5
10.0
8.0
7.0
6.0
4.0
3.5
3.0
2.5
2.1
1.1
RDC
(mΩ) Max
24
36
40
43.2
62.4
73.2
115
150
210
300
408
624
880
1260
1770
2730
Isat
(A)
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
Irms
(A)
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
Marking
3R3
4R7
6R8
100
150
220
330
470
680
101
151
221
331
471
681
102
Note: When ordering, please specify tolerance code. Tolerance: M=±20%
Operating temperature range－40℃½125℃(Including self - temperature rise)
Isat for Inductance drop 10% from its value with current
Irms for a 20℃ temprature rise from 25℃ ambient
Measure Equipment：
L：L: WK6500B+WK6565, 100kHz/ 1V
RDC：CHROMA MILLIOHM METER MODE 16502
Isat：WK3260B+WK3265B
Inductance vs. Frequency Charateristics
1200
Inductance vs. DC Current
500
1000
471
800
400
471
300
L(uH)
600
L(uH)
200
221
400
221
101
100
200
101
470
100
1.5
2
2.5
3
470
100
0
0
0
0
1
10
100
0
0
0.5
1
Frequecny(MHz)
DC Current(A)
SMD Shielded Power Inductors – SLFA Series
Standard Specifications
Part Number
SLFA0755T-1R5T-N
SLFA0755T-2R2T-N
SLFA0755T-3R3T-N
SLFA0755T-4R7T-N
SLFA0755T-6R8T-N
SLFA0755T-100M-N
SLFA0755T-150M-N
SLFA0755T-220M-N
Inductance
(uH)
3.3
4.7
6.8
10
15
22
33
47
Tolerance
(±%)
30
30
30
30
30
20
20
20
Test
Frequency
(kHz)
100
100
100
100
100
100
100
100
SRF
(MHz) Min
75
55
48
38
35
22
14
8
RDC
(mΩ) Max
20
23
31
36
44
46
60.9
77
Isat
(A)
6.2
5.3
4.3
3.6
3.0
2.6
2.1
1.7
Irms
(A)
4.0
3.5
3.3
3.1
2.8
2.5
2.2
2.0
Marking
1R5
2R2
3R3
4R7
6R8
100
150
220
Note: When ordering, please specify tolerance code. Tolerance: M=±20% , T=±30%
Operating temperature range－40℃½125℃(Including self - temperature rise)
Isat for Inductance drop 10% from its value with current
Irms for a 30℃ temprature rise from 25℃ ambient.
Measure Equipment：
L：L: WK6500B+WK6565, 100kHz/ 1V
RDC：CHROMA MILLIOHM METER MODE 16502
Isat：WK3260B+WK3265B
Inductance vs. Frequency Charateristics
50
45
Inductance vs. DC Current
30
220
40
35
30
25
20
220
L(uH)
L(uH)
25
20
100
15
10
15
10
5
0
0
0
0
1
10
100
6R8
4R7
2R2
0
0
1
2
3
4
5
100
6R8
4R7
2R2
5
6
7
8
9
10
Frequecny(MHz)
DC Current(A)
SMD Shielded Power Inductors – SLFA Series
Standard Specifications
Part Number
SLFA1255T-6R0T-N
SLFA1255T-100M-N
SLFA1255T-150M-N
SLFA1255T-220M-N
SLFA1255T-330M-N
SLFA1255T-470M-N
SLFA1255T-680M-N
SLFA1255T-101M-N
SLFA1255T-151M-N
SLFA1255T-221M-N
SLFA1255T-331M-N
SLFA1255T-471M-N
SLFA1255T-681M-N
SLFA1255T-102M-N
SLFA1255T-152M-N
Inductance
(uH)
6
10
15
22
33
47
68
100
150
220
330
470
680
1000
1500
Tolerance
(±%)
30
20
20
20
20
20
20
20
30
20
20
20
20
20
20
Test
Frequency
(kHz)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
SRF
(MHz) Min
26
17
15
11
10
8
7
5.5
4.5
3.0
3.0
2.5
2.0
1.7
1.4
RDC
(mΩ) Max
19.7
25.8
31.0
40.6
49.8
74.2
99.8
140
228
324
492
624
912
1344
2076
Isat
(A)
3.6
3.4
2.8
2.3
1.9
1.6
1.3
1.1
0.88
0.72
0.59
0.49
0.43
0.34
0.29
Irms
(A)
4.9
4.3
3.9
3.4
3.1
2.5
2.2
1.8
1.4
1.2
1.0
0.88
0.73
0.60
0.48
Marking
6R0
100
150
220
330
470
680
101
151
221
331
471
681
102
152
Note: When ordering, please specify tolerance code. Tolerance: M=±20% , T=±30%
Operating temperature range－40℃½125℃(Including self - temperature rise)
Isat for Inductance drop 10% from its value with current
Irms for a 30℃ temprature rise from 25℃ ambient.
Measure Equipment：
L：L: WK6500B+WK6565, 1kHz/ 1V
RDC：CHROMA MILLIOHM METER MODE 16502
Isat：WK3260B+WK3265B
Inductance vs. Frequency Charateristics
2000
1800
1600
Inductance vs. DC Current
1200
1100
1000
900
102
1400
1200
471
800
700
102
L(uH)
L(uH)
1000
800
600
600
500
400
300
471
400
200
0
0.001
221
470
100
200
100
0
221
470
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
100
6.5
7
7.5
8
0.01
0.1
1
10
100
Frequecny(MHz)
DC Current(A)
FPGA/CPLD
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