Multilayer Chip Ferrite Inductors
——SFI-2012
Features
1. Ideal for high density surface mount applications as magnetic shield eliminates crosstalk.
2. Highly reliable in wide temperature and humidity range. Superior Q characteristics in wide frequency.
3. Terminal electrode has excellent solder heat resistance.
4. Lead Free (RoHS compliance).
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Applications
1. Prevention of electromagnetic interference to signals on the secondary side of electronic equipment.
2. Noise Suppression in HDTV, Portable device , computers and peripheral devices.
Ordering Information
SFI - D
(1)
(2)
2012 - 153 -
(3)
(4)
K
(5)
J
(6)
T
(7)
(5) Tolerance
K :
±10%
M:
±20%
(6) Termination
J : Nickel barrier
⑺
Packing
B : Bulk Packing
T : Tape & Reel (Φ 178㎜ [ 7inches])
L : Tape & Reel (Φ 254㎜ [10inches])
(1) Series
(2) Material & Design
(3) Dimensions
The first two digits : length(㎜)
The last two digits : width(㎜)
(4) Inductance
First two digits are values.
Last digit is the number of zeros following.
Shape and Dimensions
Unit : mm [inches]
Type
SFI-□2012
T
W
L
2.0±0.2
[.079±.008]
W
1.25±0.2
[.049±.008]
T
1.25±0.2
[.049±.008]
C
0.50±0.30
[.020±.012]
C
L
*All specifications are subject to change without notice.
Multilayer Chip Ferrite Inductors
——SFI-2012
Electrical Parameters
Inductance
μH
0.048
0.056
0.068
0.082
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
Tolerance
min.
20
20
20
20
25
25
25
25
25
25
25
30
30
30
30
30
45
45
45
45
45
45
45
45
45
50
50
50
50
50
30
30
30
30
30
Q
typ.
60
60
60
60
50
50
50
50
50
50
50
50
50
50
50
50
75
75
75
75
80
80
80
80
80
60
60
60
60
60
40
40
40
40
40
L, Q test
frequency
(㎒)
50
50
50
50
25
25
25
25
25
25
25
25
25
25
25
25
10
10
10
10
10
10
10
10
10
4
4
4
2
2
1
1
1
1
0.4
SRF(㎒)
min.
320
300
280
255
235
220
200
185
170
150
145
135
125
115
105
100
75
65
60
55
50
45
40
38
35
32
29
26
24
22
19
18
16
14
13
typ.
400
380
350
320
300
280
250
230
220
200
180
170
160
150
135
125
105
95
85
75
70
65
55
50
48
45
40
36
33
30
27
25
22
20
18
DCR(mΩ)
max.
100
150
200
200
200
200
200
200
250
300
300
400
400
400
500
600
300
400
400
400
400
500
500
1000
1400
500
600
700
800
800
1500
1500
700
800
1000
typ.
50
80
80
80
90
65
60
100
100
150
150
190
190
280
300
350
120
140
140
160
200
250
270
500
700
250
330
380
450
470
750
810
350
450
600
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Part No.
SFI-A2012-470□□□
SFI-A2012-560□□□
SFI-A2012-680□□□
SFI-A2012-820□□□
SFI-A2012-101□□□
SFI-A2012-121□□□
SFI-A2012-151□□□
SFI-A2012-181□□□
SFI-A2012-221□□□
SFI-A2012-271□□□
SFI-A2012-331□□□
SFI-A2012-391□□□
SFI-A2012-471□□□
SFI-A2012-561□□□
SFI-A2012-681□□□
SFI-A2012-821□□□
SFI-B2012-102□□□
SFI-B2012-122□□□
SFI-B2012-152□□□
SFI-B2012-182□□□
SFI-B2012-222□□□
SFI-B2012-272□□□
SFI-B2012-332□□□
SFI-B2012-392□□□
SFI-B2012-472□□□
SFI-C2012-562□□□
SFI-C2012-682□□□
SFI-C2012-822□□□
SFI-C2012-103□□□
SFI-C2012-123□□□
SFI-D2012-153□□□
SFI-D2012-183□□□
SFI-D2012-223□□□
SFI-D2012-273□□□
SFI-D2012-333□□□
±10%
±20%
Rated
current
(mA) max.
300
300
300
300
250
250
250
250
250
250
250
200
200
150
150
150
100
100
100
100
50
50
50
50
50
50
25
25
25
25
15
15
5
5
5
* SRF : Self-Resonant Frequency.
* DCR : DC Resistance
※
Parts with other Inductance Tolerance(‘J’
±
5%) can be provided upon Customer`s request.
*All specifications are subject to change without notice.
Multilayer Chip Ferrite Inductors
——SFI-2012
Electrical Characteristic Curves
PAGE
3/2
*All specifications are subject to change without notice.
Embedded System
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