WL Series

MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
FEATURES






Very strong solderability by flow soldering, soldering iron or wave soldering
Highly accurate dimensions, can be mounted automatically
Terminals are highly resistant to pull forces
Highly resistant to mechanical shocks and pressure
Highly reliable in environments of sudden temperature change and humidity.
Super Q characteristics
APPLICATIONS
Micro Televisions, Liquid Crystal Televisions, Video Cameras, Portable VCRs, Car Radios,
Car Stereos, Thin Tape Radios, Television Tuners, Mobile Telephones, Radio and Other Electronic Devices
CONSTRUCTION
Molding Type
①
②
Molded resin
Electrode
(Tinned Copper Wire)
Open Type
③
④
①
②
Ferrite core
Magnet wire
③
④
Ferrite core
Magnet wire
Electrode (Ag/Pd+Ni+Sn)
UV Glue
PART NUMBERING SYSTEM
WL 0805
K
Meritek Series
Dimensions (L x W)
Size 0603 0805 1008 1210 1812 2220
Inductance Tolerance:
J
K
±5%
±10%
M
±20%
Packing Code
T: Tape & Reel
Current
Blank
Standard
Inductance
Code
Value
C
Large Current
R12
120nH
R27
270nH
L
Low Profile
2R7
2700nH
100
10µH
T
C 1R0
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
MCB08 Series
DIMENSIONS
Unit: mm
Type
Size
(Inch)
Figure
A
B
C
WL0603
WL0805
WL1008
WL1210
WL1812
WL2220
WL0805(L)
WL0603(C)
WL0805(C)
WL1008(C)
WL1210(C)
WL1812(C)
WL2220(C)
0603
0805
1008
1210
1812
2220
0805
0603
0805
1008
1210
1812
2220
1
1
1
2
2
3
1
1
1
1
2
2
3
1.80 max
2.40 max
2.92 max
3.2±0.4
4.5±0.3
5.6±0.3
2.29 max
1.80 max
2.40 max
2.92 max
3.2±0.4
4.5±0.3
5.6±0.3
1.20 max
1.71 max
2.79 max
2.5±0.2
3.2±0.2
5.0±0.2
1.73 max
1.20 max
1.71 max
2.79 max
2.5±0.2
3.2±0.2
5.0±0.2
1.00 max
1.45 max
2.10 max
2.2±0.2
3.2±0.2
4.0±0.3
1.00 max
1.10 max
1.45 max
2.10 max
2.2±0.2
3.2±0.2
4.0±0.3
D
E
0.45
0.65
1.20
1.0±0.2 0.6-0/+0.3
1.20
1.0-0/+0.3
4±0.2
0.7±0.2
0.51
0.45
0.65
1.30
1.0±0.2 0.6-0/+0.3
1.20
1.0-0/+0.3
4±0.2
0.7±0.2
F
G
H
I
J
K
0.33
0.44
0.45
0.44
0.33
0.44
0.45
-
0.95
1.02
1.52
1.02
0.95
1.02
1.52
-
1.02
1.78
2.54
1.40
1.60
4.50
1.78
1.02
1.78
2.54
1.40
1.60
4.50
0.64
1.02
1.02
1.00
1.50
2.00
1.02
0.64
1.02
1.02
1.00
1.50
2.00
0.64
0.76
1.27
1.80
2.20
4.00
0.76
0.64
0.76
1.27
1.80
2.20
4.00
1.05
1.27
2.03
1.27
1.05
1.27
2.03
-
COLOR CODING
0603 / 0805 / 1008 Type (except WL0805(L))
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.
Weight
(g)
(1000pcs)
9.6
14
30
40
160
300
14
9.6
14
30
40
160
300
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
ELECTRICAL SPECIFICATIONS (STANDARD TYPE)
WL0603 Wire Wound Chip Inductors (Ferrite / Open Type) / Standard Type
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, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
Q
typ.
16
16
16
16
16
16
16
16
16
16
16
14
14
14
14
14
14
14
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
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
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
WL0805 Wire Wound Chip Inductors (Ferrite / Open Type) / Standard Type
Codes
Inductance
(μH)
Tolerance
Q
min.
Test Freq.
(MHz)
SRF
(MHz) min.
DCR
(Ω) max.
IDC
(mA) max.
Color
Code
R11
0.11
±10%
25
25.2
1200
0.05
2000
White
R12
0.12
±5, ±10%
20
25.2
700
0.18
1100
Violet
R15
0.15
±5, ±10%
20
25.2
900
0.18
1100
Gray
R18
0.18
±5, ±10%
20
25.2
600
0.20
800
Black
R22
0.22
±5, ±10%
20
25.2
550
0.25
700
Brown
R27
0.27
±5, ±10%
20
25.2
550
0.38
700
Red
R33
0.33
±5, ±10%
20
25.2
550
0.35
650
Orange
R39
0.39
±5, ±10%
20
25.2
420
0.35
600
Yellow
R47
0.47
±5, ±10%
20
25.2
350
0.45
600
Green
R56
0.56
±5, ±10%
20
25.2
300
0.45
550
Blue
R62
0.62
±5, ±10%
30
25.2
640
0.45
980
Brown
R68
0.68
±5, ±10%
20
25.2
300
0.60
500
Violet
R82
0.82
±5, ±10%
20
25.2
300
0.55
500
Gray
R91
0.91
±5, ±10%
30
25.2
500
0.55
900
Yellow
1R0
1.0
±5, ±10%
15
7.96
280
0.80
450
White
1R2
1.2
±5, ±10%
15
7.96
280
0.90
400
Black
1R5
1.5
±5, ±10%
15
7.96
250
1.05
350
Brown
1R8
1.8
±5, ±10%
15
7.96
120
1.00
350
Red
2R2
2.2
±5, ±10%
15
7.96
110
1.10
320
Orange
2R7
2.7
±5, ±10%
15
7.96
70
1.20
320
Yellow
3R3
3.3
±5, ±10%
15
7.96
60
1.50
300
Green
3R9
3.9
±5, ±10%
15
7.96
55
1.75
300
Blue
4R7
4.7
±5, ±10%
15
7.96
45
2.10
200
Violet
5R6
5.6
±5, ±10%
15
7.96
40
2.30
250
Gray
6R8
6.8
±5, ±10%
15
7.96
36
2.70
200
White
8R2
8.2
±5, ±10%
15
7.96
33
3.30
180
Black
100
10
±5, ±10%
10
2.52
30
4.50
180
Brown
120
12
±5, ±10%
16
2.52
37
2.80
220
Red
150
15
±5, ±10%
16
2.52
30
3.80
200
Orange
180
18
±5, ±10%
16
2.52
23
4.48
180
Yellow
220
22
±5, ±10%
16
2.52
20
6.30
160
Green
270
27
±5, ±10%
16
2.52
19
6.85
140
Blue
330
33
±5, ±10%
16
2.52
18
7.60
120
Violet
390
39
±5, ±10%
15
2.52
16
8.20
100
Gray
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
WL1008 Wire Wound Chip Inductors (Ferrite / Open Type) / Standard Type
Codes
Inductance
Tolerance
(μH)
Q
min.
Test Freq.
SRF
DCR
IDC
(MHz)
(MHz) min. (Ω) max. (mA) max.
Color
Code
R12
0.12
±5, ±10%
26
25.2
800
0.30
1000
Brown
Red
Brown
R18
0.18
±5, ±10%
30
25.2
600
0.30
960
Brown
Gray
Brown
R20
0.20
±5, ±10%
30
25.2
735
0.30
960
Red
Black
Brown
R22
0.22
±5, ±10%
27
25.2
600
0.40
880
Red
Red
Brown
R27
0.27
±5, ±10%
29
25.2
425
0.42
900
Red
Violet
Brown
R33
0.33
±5, ±10%
30
25.2
400
0.42
900
Orange
Orange
Brown
R39
0.39
±5, ±10%
30
25.2
375
0.45
700
Orange
White
Brown
R47
0.47
±5, ±10%
30
25.2
350
0.50
900
Yellow
Violet
Brown
R56
0.56
±5, ±10%
30
25.2
325
0.55
850
Green
Blue
Brown
R62
0.62
±5, ±10%
30
25.2
460
0.55
900
Blue
Red
Brown
R68
0.68
±5, ±10%
30
25.2
300
0.55
800
Blue
Gray
Brown
R75
0.75
±5, ±10%
30
25.2
420
0.65
880
Violet
Green
Brown
R82
0.82
±5, ±10%
30
25.2
260
0.65
700
Gray
Red
Brown
R91
0.91
±5, ±10%
30
25.2
400
0.65
840
White
Brown
Brown
1R0
1.0
±5, ±10%
25
7.96
245
0.60
600
Brown
Black
Red
1R2
1.2
±5, ±10%
25
7.96
230
0.74
600
Brown
Red
Red
1R5
1.5
±5, ±10%
25
7.96
182
0.85
550
Brown
Green
Red
1R8
1.8
±5, ±10%
25
7.96
135
0.92
500
Brown
Gray
Red
2R2
2.2
±5, ±10%
25
7.96
105
1.10
500
Red
Red
Red
2R7
2.7
±5, ±10%
25
7.96
70
1.22
350
Red
Violet
Red
3R3
3.3
±5, ±10%
25
7.96
55
1.37
350
Orange
Orange
Red
3R9
3.9
±5, ±10%
25
7.96
48
1.66
310
Orange
White
Red
4R7
4.7
±5, ±10%
25
7.96
43
1.68
300
Yellow
Violet
Red
5R6
5.6
±5, ±10%
25
7.96
42
1.75
300
Green
Blue
Red
6R8
6.8
±5, ±10%
25
7.96
39
1.85
300
Blue
Gray
Red
8R2
8.2
±5, ±10%
25
7.96
36
2.00
250
Gray
Red
Red
10
±5, ±10%
20
2.52
33
2.32
250
Brown
Black
Orange
120
12
±5, ±10%
15
2.52
28
2.99
200
Brown
Red
Orange
150
15
±5, ±10%
15
2.52
24
3.42
200
Brown
Green
Orange
100
180
18
±5, ±10%
15
2.52
20
4.65
180
Brown
Gray
Orange
220
22
±5, ±10%
15
2.52
18
5.12
180
Red
Red
Orange
270
27
±5, ±10%
15
2.52
17
5.76
160
Red
Violet
Orange
330
33
±5, ±10%
15
2.52
16
6.44
120
Orange
Orange
Orange
390
39
±5, ±10%
15
2.52
15
6.85
120
Orange
White
Orange
470
47
±5, ±10%
14
2.52
13
9.94
110
Yellow
Violet
Orange
560
56
±5, ±10%
14
2.52
10
10.7
90
Green
Blue
Orange
680
68
±5, ±10%
14
2.52
8
12.8
90
Blue
Gray
Orange
820
82
±5, ±10%
14
2.52
8
18.3
80
Gray
Red
Orange
101
100
±5, ±10%
8
1
7
19.6
120
Brown
Black
Yellow
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
WL1210 Wire Wound Chip Inductors (Ferrite / Open Type) / Standard Type
Codes
Inductance
(µH)
Tolerance
Q
min.
Test Freq.
(MHz)
SRF
(MHz) min.
DCR
(Ω) max.
IDC
(mA) max.
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
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
±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%
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
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
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
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
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
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
WL1812 Wire Wound Chip Inductors (Ferrite / Open Type) / Standard Type
Codes
Inductance
(μH)
Tolerance
Q
min.
Test Freq.
(MHz)
SRF
(MHz) min.
DCR
(Ω) max.
IDC
(mA) max.
R18
R22
R27
R33
R39
R47
R56
R68
R82
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
30
30
30
30
30
30
30
30
30
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
220
200
180
165
150
145
140
135
130
0.24
0.25
0.26
0.28
0.30
0.32
0.36
0.40
0.45
700
665
635
605
575
545
520
500
475
1R0
1R2
1.0
1.2
±10%
±10%
50
50
7.96
7.96
100
80
0.50
0.55
450
430
1R5
1R8
2R2
2R7
3R3
1.5
1.8
2.2
2.7
3.3
±10%
±10%
±10%
±10%
±10%
50
50
50
50
50
7.96
7.96
7.96
7.96
7.96
70
60
55
50
45
0.60
0.65
0.70
0.75
0.80
410
390
380
370
355
3R9
4R7
5R6
3.9
4.7
5.6
±10%
±10%
±10%
50
50
50
7.96
7.96
7.96
40
35
33
0.90
1.00
1.10
330
315
300
6R8
8R2
100
120
150
180
220
6.8
8.2
10
12
15
18
22
±10%
±10%
±10%
±10%
±10%
±10%
±10%
50
50
50
50
50
50
50
7.96
7.96
2.52
2.52
2.52
2.52
2.52
27
25
20
18
17
15
13
1.20
1.40
1.60
2.00
2.50
2.80
3.20
285
270
250
225
200
190
180
270
330
27
33
±10%
±10%
50
50
2.52
2.52
12
11
3.60
4.00
170
160
390
470
560
39
47
56
±10%
±10%
±10%
50
50
50
2.52
2.52
2.52
10
10
9
4.50
5.00
5.50
150
140
135
680
820
101
68
82
100
±10%
±10%
±10%
50
50
40
2.52
2.52
0.796
9
8
8
6.00
7.00
8.00
130
120
110
121
151
181
221
271
331
391
471
561
681
821
120
150
180
220
270
330
390
470
560
680
820
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
40
40
40
40
30
30
30
30
30
30
30
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
6
5
5
4
4
3.5
3
3
3
3
2.5
8.00
9.00
9.50
10.0
15.0
15.0
18.0
26.0
30.0
30.0
43.0
110
105
102
100
92
85
80
62
50
50
30
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
WL2220 Wire Wound Chip Inductors (Ferrite / Open Type) / Standard Type
Codes
122
152
182
222
272
332
392
472
562
682
822
103
Inductance
(µH)
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
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%
Test Freq.
(MHz)
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.0796
Q
min.
20
20
20
20
20
20
20
20
20
20
20
15
SRF
(MHz) min.
1.5
1.4
1.3
1.2
1.1
1.0
1.0
0.9
0.8
0.7
0.6
0.5
DCR
(Ω) max.
17
20
30
35
55
60
70
78
85
110
125
150
IDC
(mA) max.
75
70
60
55
45
40
38
36
33
30
28
25
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
ELECTRICAL SPECIFICATIONS (LOW PROFILE TYPE)
WL0805 Wound Chip Inductors (Ferrite / Open Type) / Low Profile Type
Codes
1R0
3R3
4R7
6R8
100
150
220
Inductance
(μH)
1.0
3.3
4.7
6.8
10
15
22
Q
min.
15
13
15
15
14
12
10
Tolerance
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
±5, ±10%
Test Freq.
(MHz)
L: 7.96 / Q: 25.2
7.96
7.96
7.96
7.96
7.96
7.96
SRF
(MHz) min.
115
70
65
41
31
28
25
DCR
(Ω) max.
0.90
1.40
1.90
2.40
2.70
5.00
6.00
IDC
(mA) max.
450
450
400
400
400
300
250
ELECTRICAL SPECIFICATIONS (LARGE CURRENT TYPE)
WL0603 Wound Chip Inductors (Ferrite / Open Type) / Large Current Type
Codes
Inductance
(μH)
Tolerance
Q
min.
Test Freq.
(MHz)
47N
51N
68N
72N
R10
R12
R15
R18
R22
R24
R27
R33
R39
R47
R56
R68
R78
R82
1R0
1R2
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
7R8
8R2
100
0.047
0.051
0.068
0.072
0.10
0.12
0.15
0.18
0.22
0.24
0.27
0.33
0.39
0.47
0.56
0.68
0.78
0.82
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
7.8
8.2
10
±10%
±10%
±10%
±10%
±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%
12
12
12
12
12
12
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
SRF
(MHz) min.
2000
1500
1500
1500
1150
1100
1050
950
900
850
835
725
680
640
630
510
465
460
320
270
230
210
115
100
84
75
67
55
48
40
38
32
DCR
(Ω) max.
0.075
0.075
0.12
0.12
0.13
0.15
0.15
0.15
0.30
0.16
0.30
0.40
0.41
0.43
0.44
0.52
0.63
0.69
0.81
0.87
0.96
1.10
1.20
1.38
1.50
1.50
2.10
2.37
3.10
3.35
3.50
4.46
IDC
(mA) max.
1800
1800
1800
1800
1700
1700
1600
1500
1200
1460
1460
1420
1400
1400
1400
1340
1300
1200
1100
1000
920
900
740
700
680
600
580
540
500
460
440
400
Color
Code
White
Violet
Gray
Brown
Black
Orange
Brown
Green
Red
Green
Yellow
Orange
Blue
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
WL0805 Wire Wound Chip Inductors (Ferrite / Open Type) / Large Current Type
Codes
Inductance
(μH)
Tolerance
Q
typ.
Test Freq.
(MHz)
SRF
(MHz) typ.
DCR
(Ω) max.
IDC
(mA) max.
Color
Code
R47
R68
1R0
1R2
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
470
560
680
820
101
0.47
0.68
1.00
1.20
1.50
1.80
2.20
2.70
3.30
3.90
4.70
5.60
6.80
8.20
10
12
15
18
22
27
33
47
56
68
82
100
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
±5, ±10,±20%
14
14
14
14
14
14
13
13
12
14
14
12
14
13
14
14
15
15
15
15
15
14
14
14
14
10
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
1
850
765
208
159
159
112
87
72
70
61
51
47
46
33
31
30
28
27
20
17
17
15
10
10
10
9
0.156
0.195
0.169
0.208
0.221
0.260
0.286
0.325
0.364
0.494
0.559
0.650
0.884
0.949
1.105
1.17
1.82
2.01
2.28
2.60
3.05
4.42
5.74
5.78
9.75
9.75
1400
1200
1100
960
920
860
740
680
620
580
520
480
420
400
360
340
300
280
240
220
200
160
150
140
100
100
Blue
Gray
Black
Red
Brown
Orange
Red
Yellow
Orange
Green
Yellow
Blue
Green
Violet
Blue
Gray
Violet
White
Gray
Black
White
Black
Yellow
Brown
Orange
Red
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
WL1008 Wire Wound Chip Inductors (Ferrite / Open Type) / Large Current Type
Codes
R22
R47
R68
R82
1R0
1R2
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
330
470
101
221
331
Inductance
(μH)
0.22
0.47
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
33
47
100
220
330
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%
Q
typ.
35
35
35
35
22
25
25
25
22
25
22
25
22
22
22
22
20
20
20
20
20
20
23
13
13
13
Test Freq.
(MHz)
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
1
1
1
SRF
(MHz)min.
800
460
400
360
245
230
182
135
105
70
55
50
45
42
40
36
35
30
24
20
18
16
17
4
3
2
DCR
(Ω)max.
0.15
0.20
0.30
0.35
0.35
0.40
0.45
0.55
0.60
0.70
0.75
0.80
0.90
1.05
1.05
1.30
1.55
2.10
2.38
2.60
2.92
4.10
7.80
13.2
26.5
32.5
IDC
(mA)max.
2600
2400
2200
1800
800
550
550
550
500
500
450
450
400
400
400
350
300
280
250
200
200
180
350
200
140
110
1st
Red
Yellow
Blue
Gray
Brown
Brown
Brown
Brown
Red
Red
Orange
Orange
Yellow
Green
Blue
Gray
Brown
Brown
Brown
Brown
Red
Orange
Yellow
Brown
Red
Orange
Color Code
2nd
Red
Violet
Gray
Red
Black
Red
Green
Gray
Red
Violet
Orange
White
Violet
Blue
Gray
Red
Black
Red
Green
Gray
Red
Orange
Violet
Black
Red
Orange
3rd
Brown
Brown
Brown
Brown
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Orange
Orange
Orange
Orange
Orange
Orange
Orange
Yellow
Yellow
Yellow
WL1210 Wire Wound Chip Inductors (Ferrite / Molding Type) / Large Current Type
Codes
Inductance
(μH)
Tolerance
Q
min.
Test Freq.
(MHz)
SRF
(MHz) min.
DCR
(Ω) max.
IDC
(mA) max.
1R0
1R5
2R2
3R3
4R7
6R8
100
150
220
270
330
470
680
820
101
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
27
33
47
68
82
100
±20%
±20%
±20%
±20%
±20%
±20%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
10
10
10
10
10
10
15
15
15
15
15
20
20
20
20
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
0.796
100
80
65
55
45
35
28
25
20
17
15
13
10
9
8
0.156
0.195
0.260
0.325
0.520
0.650
1.105
1.690
2.600
3.000
3.640
5.460
8.450
8.710
10.140
770
580
480
400
320
280
220
180
145
125
115
105
85
80
75
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
WL1812 Wire Wound Chip Inductors (Ferrite / Molding Type) / Large Current Type
Codes
Inductance
(μH)
Tolerance
Q
min.
Test Freq.
(MHz)
SRF
(MHz) min.
DCR
(Ω) max.
IDC
(mA) max.
1R0
1.0
±10%
10
7.96
200
0.11
1050
1R2
1.2
±10%
10
7.96
160
0.12
1000
1R5
1.5
±10%
10
7.96
130
0.15
950
1R8
1.8
±10%
10
7.96
100
0.16
900
2R2
2.2
±10%
10
7.96
80
0.18
850
2R7
2.7
±10%
10
7.96
60
0.20
800
3R3
3.3
±10%
10
7.96
45
0.22
750
3R9
3.9
±10%
10
7.96
40
0.24
700
4R7
4.7
±10%
10
7.96
35
0.27
650
5R6
5.6
±10%
10
7.96
30
0.30
650
6R8
6.8
±10%
10
7.96
28
0.35
600
8R2
8.2
±10%
10
7.96
25
0.40
600
100
10
±10%
10
2.52
22
0.50
550
120
12
±10%
10
2.52
21
0.60
500
150
15
±10%
10
2.52
20
0.70
450
180
18
±10%
10
2.52
19
0.80
400
220
22
±10%
10
2.52
18
0.90
370
270
27
±10%
10
2.52
16
1.20
330
330
33
±10%
10
2.52
14
1.40
300
390
39
±10%
10
2.52
12
1.60
280
470
47
±10%
10
2.52
11.5
1.90
260
560
56
±10%
10
2.52
11
2.20
240
680
68
±10%
10
2.52
10
2.60
220
820
82
±10%
10
2.52
9
3.50
200
101
100
±10%
20
0.796
8
4.00
180
121
120
±10%
20
0.796
7.5
4.50
160
151
150
±10%
20
0.796
7
6.50
140
181
180
±10%
20
0.796
6.5
7.50
120
221
220
±10%
20
0.796
5.5
9.00
120
271
270
±10%
20
0.796
5
11.0
100
331
330
±10%
20
0.796
4
13.0
90
391
390
±10%
20
0.796
3.8
23.0
80
471
470
±10%
20
0.796
3.5
26
75
561
560
±10%
20
0.796
2.8
30
70
681
680
±10%
20
0.796
2.6
40
65
820
±10%
20
0.796
2.5
45
60
821
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
WL2220 Wire Wound Chip Inductors (Ferrite / Molding Type) / Large Current Type
Codes
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
271
331
391
471
561
681
821
102
Inductance
(μH)
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
270
330
390
470
560
680
820
1000
Tolerance
Q
min.
±10,±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±10, ±20%
±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%
10
10
10
10
10
10
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
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
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
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
SRF
(MHz) min.
95
70
55
47
42
37
34
32
29
26
24
22
19
17
16
14
13
11.5
10.5
9.5
8.5
7.8
7.0
6.4
6.0
5.4
4.8
4.4
3.9
3.6
3.2
2.9
2.6
2.4
2.2
2.0
1.8
DCR
(Ω) max.
0.03
0.035
0.04
0.05
0.06
0.07
0.08
0.09
0.11
0.13
0.15
0.18
0.21
0.25
0.30
0.36
0.43
0.52
0.62
0.72
0.85
1.00
1.2
1.4
1.6
1.9
2.2
2.8
3.4
4.2
4.9
5.8
7.0
8.5
10
13
15
IDC
(mA) max.
1800
1700
1600
1400
1300
1200
1120
1050
950
880
810
750
690
630
580
530
480
440
400
370
340
310
290
270
250
230
210
190
170
155
140
130
120
110
100
90
85
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
ENVIRONMENTAL CHARACTERISTICS
Electrical Performance Test
Item
Inductance
Q
SRF
DC Resistance DCR
Rated Current IDC
Requirement
Refer to standard electrical
characteristic spec.
Test Method
HP4291 or HP4284
HP4291 or HP4284
HP4291
Agilent 34401A
Applied the current to coils, The inductance change should be
less than 10% to initial value
Mechanical Performance Test
Item
Solderability
Requirement
Test Method
The electrodes shall be at least Lead-free inductor: after fluxing(alpha 100 or equity), inductor
90% covered with new solder shall be dipped in a melted solder bath at 245±5°C, 5±0.5
coating
seconds
Resistance to Soldering Appearance: No damage
Pre-heating: 150°C, 1min.
Heat
Solder Temperature: 260±5°C
Immersion Time: 10±1 seconds
Vibration
Appearance: No damage
Test device shall be soldered on the substrate Oscillation
L change: within±10% Q
Frequency: 10 to 55 to 10Hz for 1 min.
change: within±30% DCR:
Amplitude: 1.5 mm
within specification
Time: 2 hrs for each axis (X, Y&Z), total 6 hrs
Climatic Test
Item
Temperature Cycle
Damp Heat with Load
Requirement
Test Method
One cycle:
Appearance: No damage
L change: within±10%
Q change: within±30%
DCR: within specification
Step
Temperature (°C) Time (min.)
1
-25±3
30
2
25±2
3
3
85±3
30
4
25±2
3
Total: 100 cycles
Measured after exposure in the room condition for 24 hrs
Temperature: 40±2°C
Relative Humidity: 90 ~ 95%
Time: 1000 hrs
Measured after exposure in the room condition for 24 hrs
High Temperature
Storage
Temperature: 85±3°C
Applied Current: Rated Current
Time: 1000 hrs
Measured after exposure in the room condition for 24 hrs
Low Temperature
Storage
Temperature: -25±3°C Time: 1000 hrs
Measured after exposure in the room condition for 24 hrs


Storage Temperature: 25±3°C; Humidity < 80%RH
Operating Temperature Range: -40~+85°C
MCB08 Series
WL Series
Wire Wound Chip Inductor
MERITEK
RoHS
MCB08 Series
PACKAGING
Packaging Quantity & Reel Specifications
Type
WL0603
WL0805
WL1008
WL1210
WL1812
WL2220
ΦA
178±2.0
178±2.0
178±2.0
178±2.0
178±2.0
330±2.0
ΦB
60±0.5
60±0.5
60±0.5
60±0.5
80±0.5
100±0.5
ΦC
13±0.3
13±0.3
13±0.3
13±0.3
13±0.3
13±0.3
W
T
9±0.3
9±0.3
9±0.3
9±0.3
13.2±0.3
17.4±0.3
12±1.0
12±1.0
12±1.0
12±1.0
16±1.0
22±1.0
Quantity
(EA)
4000
2000
2000
2000
500
1000
Embossed Plastic Tape Specifications
Unit: mm
J
Type
WL0603
A
B
C
D
E
F
G
H
8
1.25
4
1.90
3.5
1.75
2
1.00
0.23
WL0805
8
1.85
4
2.55
3.5
1.75
2
1.45
0.23
WL1008
8
2.80
4
2.95
3.5
1.75
2
2.22
0.23
WL1210
8
2.96
4
3.60
3.5
1.75
2
2.40
0.23
WL1812
12
3.30
8
5.00
5.5
1.75
2
3.50
0.30
WL2220
16
5.35
12
6.10
7.5
1.75
2
5.50
0.35
Leader / Trailer Tape
Cover Tape Peel Strength
The force for tearing off cover tape is 0.1~0.6(N)in the arrow direction at the following conditions:
Temperature: 5~35℃
Humidity: 45~85%
Atmospheric Pressure: 860~1060 hpa