MITSUMI
Power Inductors
C3-K,C4-K,C5-K,C6-K,C8-K,C10-K,C12-K,C13-K Series
Coils, Filters
OUTLINE
High efficiency (low DCR) choke coil for battery-
driven portable electronic equipment power
supplies (DC-DC converter, switching power
supply) and other electronic equipment.
C3-K
C4-K
C5-K
C6-K
C8-K
C10-K
C12-K
C13-K
FEATURES
1. Less than one-half the conventional number of DC resistors.
2. Low height, able to handle high power.
3. The "closed magnetic circuit" structure reduces electromagnetic interference.
USES
Use in DSC, DVD, MD/MP3/DVD Player, CDMA, HANDY PHONE, PDA, NOTE-PC, LCD, PDP, CAR
NAVIGATION, and other electronic equipments.
MITSUMI
DATA LIST (C3-K1.5L Series)
C3-K1.5L (Height : 1.5mm max.)
Inductance
Item
Stamp
(µH)
DE
DF
DG
DH
DJ
DK
DL
DM
EA
EB
EC
ED
EE
EF
EG
EH
EJ
EK
EL
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
Tolerance
(%)
±30
±30
±30
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Test Freq.
(kHz)
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
SRF
(MHz)
min.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DCR
(mΩ)
typ.
60
70
80
90
95
100
110
120
160
225
250
260
300
430
490
610
740
950
1050
DC Current
(A)
Inductance
-10%
typ.
0.85
0.70
0.66
0.60
0.53
0.50
0.48
0.45
0.40
0.34
0.32
0.30
0.28
0.24
0.21
0.20
0.18
0.16
0.14
Temp.
25K
typ.
1.10
1.02
0.96
0.90
0.84
0.78
0.73
0.68
0.60
0.54
0.51
0.48
0.40
0.38
0.36
0.32
0.30
0.28
0.26
DATA LIST (C3-K1.8L Series)
C3-K1.8L (Height : 1.8mm max.)
Inductance
Item
Stamp
(µH)
DB
DD
DE
DF
DG
DH
DJ
DK
DL
DM
EA
EB
EC
ED
EE
EF
EG
EH
EJ
EK
EL
1R2
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
1.2
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
Tolerance
(%)
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Test Freq.
(kHz)
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
SRF
(MHz)
min.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DCR
(mΩ)
typ.
25
30
43
47
55
65
75
100
110
120
160
175
210
275
300
390
520
560
775
860
980
DC Current
(A)
Inductance
-10%
typ.
1.80
1.55
1.35
1.25
1.15
1.05
0.92
0.86
0.81
0.78
0.70
0.65
0.58
0.52
0.46
0.42
0.38
0.35
0.31
0.29
0.27
Temp.
25K
typ.
2.30
2.10
1.90
1.80
1.70
1.50
1.40
1.20
1.10
1.00
0.90
0.82
0.75
0.65
0.60
0.52
0.46
0.42
0.36
0.33
0.30
MITSUMI
Power Inductors
DATA LIST (C4-K1.8R Series)
C4-K1.8R (Height : 1.9mm max.)
Inductance
Item
Stamp
(µH)
DA
DC
DE
DF
DG
DH
DJ
DK
DL
DM
EA
EB
EC
ED
EE
EF
EG
EH
EJ
EK
EL
EM
FA
FB
FC
1R0
1R5
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
1.0
1.5
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
Tolerance
(%)
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Test Freq.
(kHz)
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
SRF
(MHz)
min.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DCR
(mΩ)
typ.
18
23
29
34
39
53
57
65
82
95
110
117
165
185
212
288
345
487
545
595
693
850
1030
1260
1420
DC Current
(A)
Inductance
-10%
typ.
2.40
2.20
2.00
1.80
1.70
1.50
1.40
1.30
1.20
1.10
0.98
0.88
0.80
0.75
0.70
0.60
0.52
0.45
0.40
0.35
0.33
0.31
0.29
0.25
0.22
Temp.
25K
typ.
3.20
2.70
2.40
2.30
2.20
2.10
1.90
1.80
1.60
1.55
1.25
1.20
1.10
1.05
1.00
0.80
0.70
0.60
0.55
0.53
0.50
0.45
0.38
0.32
0.30
DATA LIST (C4-K1.8RA Series)
C4-K1.8RA (Height : 1.9mm max.)
Inductance
Item
Stamp
(µH)
DA
DC
DD
DF
DG
DH
DJ
DK
DL
DM
EA
EB
EC
ED
EE
EF
EG
EH
EJ
EK
EL
EM
FA
FB
FC
1R0
1R5
1R8
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
1.0
1.5
1.8
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
Tolerance
(%)
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Test Freq.
(kHz)
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
SRF
(MHz)
min.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DCR
(mΩ)
typ.
22
26
32
39
52
70
80
86
97
137
147
181
244
271
305
375
510
550
635
740
1110
1230
1345
1550
2100
DC Current
(A)
Inductance
-10%
typ.
3.50
3.10
2.80
2.20
2.10
2.00
1.90
1.70
1.50
1.40
1.30
1.10
0.96
0.93
0.82
0.73
0.65
0.61
0.57
0.51
0.46
0.43
0.41
0.37
0.31
Temp.
25K
typ.
2.30
2.10
2.00
1.80
1.50
1.30
1.20
1.15
1.05
0.90
0.82
0.71
0.59
0.56
0.50
0.44
0.42
0.38
0.35
0.32
0.28
0.26
0.24
0.22
0.19
MITSUMI
DATA LIST (C4-K3R Series)
C4-K3R (Height : 3mm max.)
Inductance
Item
Stamp
(µH)
DA
DC
DD
DF
DG
DH
DJ
DK
DL
DM
EA
EB
EC
ED
EE
EF
EG
EH
EJ
EK
EL
EM
FA
FB
FC
1R0
1R5
1R8
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
1.0
1.5
1.8
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
Tolerance
(%)
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Test Freq.
(kHz)
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
SRF
(MHz)
min.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DCR
(mΩ)
typ.
12
15
18
20
23
25
29
32
35
45
49
55
76
82
93
125
138
155
205
230
255
350
388
445
655
DC Current
(A)
Inductance
-10%
typ.
1.95
1.80
1.50
1.20
1.05
0.95
0.88
0.81
0.72
0.67
0.65
0.57
0.48
0.45
0.42
0.36
0.34
0.31
0.28
0.25
0.23
0.21
0.20
0.19
0.16
Temp.
25K
typ.
4.00
3.80
3.50
3.20
3.00
2.80
2.60
2.40
2.20
2.00
1.90
1.75
1.50
1.40
1.30
1.25
1.15
1.05
0.85
0.81
0.78
0.63
0.60
0.57
0.42
DATA LIST (C4-K3RA Series)
C4-K3RA (Height : 3mm max.)
Inductance
Item
Stamp
(µH)
DA
DC
DE
DF
DG
DH
DJ
DK
DL
DM
EA
EB
EC
ED
EE
EF
EG
EH
EJ
EK
EL
EM
FA
FB
FC
1R0
1R5
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
1.0
1.5
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
Tolerance
(%)
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Test Freq.
(kHz)
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
1kHz
SRF
(MHz)
min.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DCR
(mΩ)
typ.
15
18
21
24
27
31
40
45
58
65
72
79
105
118
135
184
208
228
258
345
385
530
630
727
845
DC Current
(A)
Inductance
-10%
typ.
2.70
2.50
2.20
2.00
1.85
1.70
1.50
1.30
1.20
1.10
1.05
0.95
0.85
0.83
0.80
0.65
0.59
0.56
0.53
0.44
0.40
0.36
0.33
0.31
0.28
Temp.
25K
typ.
4.00
3.60
3.30
3.00
2.70
2.40
2.20
1.90
1.70
1.60
1.50
1.45
1.25
1.15
1.05
0.90
0.82
0.75
0.65
0.56
0.46
0.44
0.42
0.40
0.38
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