Wire Wound Chip Inductor (Ferrite)
LCWF Series
FEATURES
• Very strong solderability by reflow
soldering, soldering iron or wave
soldering
• Highly accurate dimensions
• Automated mounting capable
• Terminals are highly resistant to
pull forces
• Highly resistant to mechanical
shocks and pressure
• Highly reliable in sudden
temperature and humidity changes
• Superb Q characteristics
APPLICATIONS
• DC/DC Converters
• LCD Televisions
• Personal Computers
• Tablets
• Cell Phones
• Automotive Sound Systems
• Mobile Communications Devices
CONSTRUCTION
Molded Resin
UV Glue
Electrode
(Ag)
Ferrite
Core
Magnet Wire
Magnet Wire
Ferrite Core
Electrode
(Ag/Pd+Ni+Sn)
These revolutionary, high reliability wound chip inductors have been
developed in response to the trend toward higher densities in electronic
equipment.
With metal terminals and a body of heat resistant resin, these inductors
offer many superior features.
DIMENSIONS
F
B
C
B
A
A
B
A
G
K
D
Terminal
Wraparound
C
D
E
Terminal
Wraparound
I
J
I
H
Figure 1
H
Figure 2
C
Max.
1.00
(0.039)
1.45
(0.057)
2.10
(0.083)
2.50
(0.098)
3.50
(0.138)
4.30
(0.169)
1.00
(0.039)
1.10
(0.043)
1.45
(0.057)
2.10
(0.083)
3.50
(0.138)
4.30
(0.169)
D
E
Ref.
0.45
–
(0.018)
0.65
–
(0.026)
1.20
–
(0.047)
1.60
0.80
(0.063)
(0.031)
1.80
1.10
(0.071)
( 0.043)
4.00±0.2
0.70±0.20
(0.157±0.008) (0.028±0.008)
0.51
–
(0.020)
0.45
–
(0.018)
0.65
–
(0.026)
1.30
–
(0.051)
1.40
1.10
(0.055)
(0.043)
4.00±0.20
0.70±0.20
(0.157±0.008) (0.028±0.008)
F
0.33
(0.013)
0.44
(0.017)
0.45
(0.018)
–
–
–
0.44
(0.017)
0.33
(0.013)
0.44
(0.017)
0.45
(0.018)
–
–
G
0.95
(0.037)
1.02
(0.040)
1.52
(0.060)
–
–
–
1.02
(0.040)
0.95
(0.037)
1.02
(0.040)
1.52
(0.060)
–
–
C
E
E
I
J
I
D
F
PAD
LAYOUT
H
Figure 3
mm (inches)
H
1.02
(0.040)
1.78
(0.070)
2.54
(0.100)
2.00
(0.079)
2.80
(0.110)
4.50
(0.177)
1.78
(0.070)
1.02
(0.040)
1.78
(0.070)
2.54
(0.100)
2.80
(0.110)
4.50
(0.177)
I
1.64
(0.065)
1.02
(0.040)
1.02
(0.040)
1.20
(0.047)
1.50
(0.059)
2.00
(0.079)
1.02
(0.040)
1.64
(0.065)
1.02
(0.040)
1.02
(0.040)
1.50
(0.059)
2.00
(0.079)
J
0.64
(0.025)
0.76
(0.030)
1.27
(0.050)
1.60
(0.063)
3.00
(0.118)
4.00
(0.157)
0.76
(0.030)
0.64
(0.025)
0.76
(0.030)
1.27
(0.050)
3.00
(0.118)
4.00
(0.157)
K
1.05
(0.042)
1.27
(0.050)
2.03
(0.080)
–
–
–
1.27
(0.050)
1.05
(0.041)
1.27
(0.050)
2.03
(0.080)
–
–
Weight (g)
(1000pcs)
9.6
14
30
40
160
300
14
9.6
14
30
160
300
Style
G
G
G
G
G
G
R
H
H
H
H
H
Size
Figure
(inch)
0603
0805
1008
1210
1812
2220
0805
0603
0805
1008
1812
2220
1
1
1
2
2
3
1
1
1
1
2
3
A
Max.
1.80
(0.071)
2.40
(0.094)
2.92
(0.115)
3.50
(0.138)
4.80
(0.189)
5.90
(0.232)
2.29
(0.090)
1.80
(0.071)
2.40
(0.094)
2.92
(0.115)
4.80
(0.189)
5.90
(0.232)
B
Max.
1.20
(0.047)
1.71
(0.067)
2.79
(0.110)
2.80
(0.110)
3.50
(0.138)
5.20
(0.205)
1.73
(0.068)
1.20
(0.047)
1.71
(0.067)
2.79
(0.110)
3.50
(0.138)
5.20
(0.205)
31
Wire Wound Chip Inductor (Ferrite)
LCWF Series
COLOR CODING
0603 / 0805 / 1008 Type
Because of small sizes, these parts are marked with a single color dot.
The inductance value represented by the dot is shown on the data page for each type.
0603/0805
1st Code
1st Code
1008
3rd Code
2nd Code
HOW TO ORDER
LC
Family
LC = Chip Inductor
WF
Series
WF = Wire
Wound Ferite
0603
Size
0603
0805
1008
1210
1812
2220
M
Tolerance
J = 5%
K = 10%
M = 20%
101
Inductance
39N = 0.039μH
R39 = 0.390μH
3R9 = 3.90μH
390 = 39μH
391 = 390μH
392 = 3900μH
103 = 10,000μH
G
Style
G = Standard
H = High Current/
High Q
R = Low Profile
T
Termination
T = Sn Plating
A
Special
A = Standard
R
Packaging
R = 7" Reel
STANDARD ELECTRICAL SPECIFICATIONS
0603
Codes
1R0
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
Inductance
(μH)
1.0
1.5
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
Tolerance
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±10,
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
Test Freq.
(MHz)
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
Q
Typ.
16
16
16
16
16
16
16
16
16
16
16
14
14
14
14
14
14
14
SRF
(MHz) Typ.
390
160
121
103
72
66
61
51
47
43
40
36
32
29
28
24
20
15
DCR
(Ω) Max.
0.416
0.520
0.559
0.728
0.806
0.910
1.079
1.261
1.430
1.950
2.184
2.405
2.964
3.380
3.770
4.693
6.760
8.580
IDC
(mA) Max.
860
720
640
600
540
500
460
400
380
340
300
280
260
240
220
200
140
120
Color
Code
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Test Equipment: L, Q: HP4291
SRF: HP4291
RDC: Agilent 34401A
32
Wire Wound Chip Inductor (Ferrite)
LCWF Series
0805
Codes
R11
R12
R15
R18
R22
R27
R33
R39
R47
R56
R62
R68
R82
R91
1R0
1R2
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
Inductance
(μH)
0.11
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.62
0.68
0.82
0.91
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
12
15
18
22
27
33
39
Tolerance
±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
Test Freq.
(MHz)
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
Q
Typ.
25
20
20
20
20
20
20
20
20
20
30
20
20
30
15
15
15
15
15
15
15
15
15
15
15
15
10
16
16
16
16
16
16
15
SRF
(MHz) Typ.
1200
700
900
600
550
550
550
420
350
300
640
300
300
500
280
280
250
120
110
70
60
55
45
40
36
33
30
37
30
23
20
19
18
16
DCR
(Ω) Max.
0.05
0.18
0.18
0.20
0.25
0.38
0.35
0.35
0.45
0.45
0.45
0.60
0.55
0.55
0.80
0.90
1.05
1.00
1.10
1.20
1.50
1.75
2.10
2.30
2.70
3.30
4.50
2.80
3.80
4.48
6.30
6.85
7.60
8.20
IDC
(mA) Max.
2000
1100
1100
800
700
700
650
600
600
550
980
500
500
900
450
400
350
350
320
320
300
300
200
250
200
180
180
220
200
180
160
140
120
100
Color
Code
White
Violet
Gray
Black
Brown
Red
Orange
Yellow
Green
Blue
Brown
Violet
Gray
Yellow
White
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
Test Equipment: L, Q: HP4291
SRF: HP4291
RDC: Agilent 34401A
33
Wire Wound Chip Inductor (Ferrite)
LCWF Series
1008
Codes
R12
R18
R20
R22
R27
R33
R39
R47
R56
R62
R68
R75
R82
R91
1R0
1R2
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
Inductance
(μH)
0.12
0.18
0.20
0.22
0.27
0.33
0.39
0.47
0.56
0.62
0.68
0.75
0.82
0.91
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
12
15
18
22
27
33
39
47
56
68
82
100
Tolerance
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
SRF: HP4291
Test Freq.
(MHz)
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
1
RDC: Agilent 34401A
Q
Typ.
26
30
30
27
29
30
30
30
30
30
30
30
30
30
25
25
25
25
25
25
25
25
25
25
25
25
20
15
15
15
15
15
15
15
14
14
14
14
8
SRF
(MHz) Typ.
800
600
735
600
425
400
375
350
325
460
300
420
260
400
245
230
182
135
105
70
55
48
43
42
39
36
33
28
24
20
18
17
16
15
13
10
8
8
7
DCR
(Ω) Max.
0.30
0.30
0.30
0.40
0.42
0.42
0.45
0.50
0.55
0.55
0.55
0.65
0.65
0.65
0.60
0.74
0.85
0.92
1.10
1.22
1.37
1.66
1.68
1.75
1.85
2.00
2.32
2.99
3.42
4.65
5.12
5.76
6.44
6.85
9.94
10.7
12.8
18.3
19.6
IDC
(mA) Max.
1000
960
960
880
900
900
700
900
850
900
800
880
700
840
600
600
550
500
500
350
350
310
300
300
300
250
250
200
200
180
180
160
120
120
110
90
90
80
120
Color Code
Brown
Red
Red
Red
Red
Orange
Orange
Yellow
Green
Blue
Blue
Violet
Gray
White
Brown
Brown
Brown
Brown
Red
Red
Orange
Orange
Yellow
Green
Blue
Gray
Brown
Brown
Brown
Brown
Red
Red
Orange
Orange
Yellow
Green
Blue
Gray
Brown
Red
Gray
Black
Red
Violet
Orange
White
Violet
Blue
Red
Gray
Green
Red
Brown
Black
Red
Green
Gray
Red
Violet
Orange
White
Violet
Blue
Gray
Red
Black
Red
Green
Gray
Red
Violet
Orange
White
Violet
Blue
Gray
Red
Black
Brown
Brown
Brown
Brown
Brown
Brown
Brown
Brown
Brown
Brown
Brown
Brown
Brown
Brown
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Orange
Orange
Orange
Orange
Orange
Orange
Orange
Orange
Orange
Orange
Orange
Orange
Orange
Test Equipment: L, Q: HP4291
34
Wire Wound Chip Inductor (Ferrite)
LCWF Series
1210
Codes
R18
R22
R27
R33
R39
R47
R56
R68
R82
1R0
1R2
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
Inductance
(μH)
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
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Test Freq.
(MHz)
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
Q.
Min.
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
20
20
20
20
20
SRF: HP4291
SRF
(MHz) min.
400
350
320
300
250
220
180
160
140
120
100
85
80
75
70
60
55
50
45
40
35
30
20
20
20
20
20
17
16
15
13
12
11
10
10
8
7
7
DCR
(Ω) max.
0.28
0.32
0.36
0.40
0.45
0.50
0.55
0.60
0.65
0.70
0.75
0.85
0.90
1.00
1.10
1.20
1.30
1.50
1.60
1.80
2.00
2.10
2.50
2.80
3.30
3.70
5.00
5.60
6.40
7.00
8.00
9.00
10.00
10.00
11.00
15.00
17.00
21.00
IDC
(mA) max.
450
450
450
450
450
450
450
450
450
400
390
370
350
320
290
260
250
220
200
180
170
150
140
130
120
110
80
70
65
60
55
50
45
40
70
65
60
50
Test Equipment: L, Q: HP4291 for 0.18μH~82μH; HP4284 for 100μH~220μH
RDC: Agilent
35
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