Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
Overview
Applications
KEMET L-DWI ferrite-based Wire Wound Chip Power
Inductors are ideal for use in DC to DC switching power
supplies. The small size of this chip inductor and its
dimension without directional influence on mountability
and characteristics makes it suitable for mobile
equipement that requires tight space both in dimension
and in height.
• Switching DC-DC power supplies
• Wearables
• Smartphone
• Tablet device
• Digital still camera
• HDD
Benefits
• High current
• Low DCR
• Wide inductance value from 1 – 680 µH
• Rated current Isat range from 0.065 – 2 A
• Rated current Irms range from 0.06 – 1.44 A
• Operating temperature range from –40°C to +105°C
• Low profile 1.45 – 2.7 mm maximum
Part Number System
L
0805
C
1R0
M
DWI
T
Inductor
EIA Case Size
(L" x W")
Specification
Inductance Value (µH)
Inductance
Tolerance
Series
Packaging
0805 (2012 in mm)
0806 (2016 in mm)
1007 (2518 in mm)
1210 (3225 in mm)
C = Commercial
R = Low DCR
R = decimal point
Examples:
1R0 = 1.0 µH
K = ±10%
M = ±20%
DWI = High current T = Tape & Reel
wire wound chip type
The first two digits represent the
inductance value. The third digit inidcates
the number of zeros to be added.
Examples:
100 = 10 µH
101 = 100 µH
One world. One KEMET
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
L9015_L-DWI • 7/1/2020
1
Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
Dimensions – Millimeters (Inches)
Dimensions - Millimeters (Inches)
Land Pattern - Millimeters
W
L
C
T
B
EIA
Size
Code
Metric
Size
Code
0805
2012
0806
2016
1007
2518
1210
3225
A
L
Length
W
Width
T
Thickness
B
Bandwidth
2.00 (0.079)
±0.20 (0.008)
2.00 (0.079)
±0.20 (0.008)
2.50 (0.098)
±0.20 (0.008)
3.20 (0.126)
±0.20 (0.008)
1.25 (0.049)
±0.20 (0.008)
1.60 (0.063)
±0.20 (0.008)
1.80 (0.071)
±0.20 (0.008)
2.50 (0.098)
±0.20 (0.008)
1.25 (0.049)
±0.20 (0.008)
1.60 (0.063)
±0.20 (0.008)
1.80 (0.071)
±0.20 (0.008)
2.50 (0.098)
±0.20 (0.008)
0.50 (0.020)
±0.2 (0.008)
0.50 (0.020)
±0.2 (0.008)
0.50 (0.020)
±0.20 (0.008)
0.60 (0.024)
±0.30 (0.012)
A
B
A
B
C
0.6
1.0
1.45
0.6
1.0
1.8
0.6
1.5
2.0
0.85
1.7
2.7
Performance Characteristics
Item
Operating Temperature Range
Rated Inductance Range
Inductance Tolerance
Rated Current Isat Range
Rated Current Irms Range
Rated DC Resistance Range Typical
Rated DC Resistance Range Maximum
Performance Characteristics
–40°C to +105°C
1 – 680 µH
±10% and ±20%
0.065 – 2 A
0.06 – 1.44 A
0.055 – 28 Ω
0.0715 – 36.4 Ω
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
L9015_L-DWI • 7/1/2020
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Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
Environmental Compliance
All KEMET Chip Inductors are RoHS and REACH Compliant.
Table 1 – Ratings & Part Number Reference
Part Number
1
2
Inductance
(µH)
Inductance
Tolerance
DC
Resistance
(Ω) Typical
DC
Resistance
(Ω) Maximum
Rated
Current
Irms (A)1
Rated
Current
Isat (A)2
Self-Resonance
Frequency
(MHz) Minimum
Inductance
Measuring
Frequency (MHz)
L0805C1R0MDWIT
1.0
±20%
0.19
0.247
0.84
0.7
100
7.96
L0805C2R2MDWIT
2.2
±20%
0.33
0.429
0.64
0.53
70
7.96
L0805C4R7MDWIT
4.7
±20%
0.5
0.65
0.52
0.36
45
7.96
L0805C100MDWIT
10
±20%
1.2
1.56
0.34
0.24
40
2.52
2.52
L0805C220KDWIT
22
±10%
3.7
4.81
0.19
0.17
16
L0805C220MDWIT
22
±20%
3.7
4.81
0.19
0.17
16
2.52
L0805C470MDWIT
47
±20%
5.8
7.54
0.15
0.12
11
2.52
L0806C1R0MDWIT
1.0
±20%
0.1
0.13
1.1
1.1
100
7.96
L0806C1R5MDWIT
1.5
±20%
0.15
0.195
1
1
80
7.96
L0806C2R2MDWIT
2.2
±20%
0.2
0.26
0.72
0.75
70
7.96
L0806C3R3MDWIT
3.3
±20%
0.27
0.351
0.61
0.6
55
7.96
L0806C4R7MDWIT
4.7
±20%
0.37
0.481
0.53
0.55
45
7.96
L0806C6R8MDWIT
6.8
±20%
0.59
0.767
0.45
0.45
38
7.96
L0806C100KDWIT
10
±10%
0.82
1.066
0.35
0.38
32
2.52
L0806C100MDWIT
10
±20%
0.82
1.066
0.35
0.38
32
2.52
L0806C150MDWIT
15
±20%
1.2
1.56
0.3
0.3
28
2.52
L0806C220KDWIT
22
±10%
1.8
2.34
0.24
0.25
16
2.52
L0806C220MDWIT
22
±20%
1.8
2.34
0.24
0.25
16
2.52
L0806C330MDWIT
33
±20%
2.8
3.64
0.22
0.22
14
2.52
L0806C470KDWIT
47
±10%
4.3
5.59
0.15
0.15
11
2.52
L0806C470MDWIT
47
±20%
4.3
5.59
0.15
0.15
11
2.52
L0806C680MDWIT
68
±20%
7
9.1
0.13
0.13
10
2.52
L0806C101KDWIT
100
±10%
8
10.4
0.11
0.11
8
0.796
L0806C101MDWIT
100
±20%
8
10.4
0.11
0.11
8
0.796
L1007C1R0MDWIT
1.0
±20%
0.08
0.104
1.2
1
100
7.96
L1007C1R5MDWIT
1.5
±20%
0.11
0.143
1.19
0.95
80
7.96
L1007C2R2MDWIT
2.2
±20%
0.13
0.169
1.1
0.89
68
7.96
L1007C3R3MDWIT
3.3
±20%
0.16
0.208
1.02
0.73
54
7.96
L1007C4R7MDWIT
4.7
±20%
0.2
0.26
0.92
0.68
41
7.96
L1007C6R8MDWIT
6.8
±20%
0.3
0.39
0.74
0.55
38
7.96
L1007C100KDWIT
10
±10%
0.36
0.468
0.68
0.48
30
2.52
L1007C100MDWIT
10
±20%
0.36
0.468
0.68
0.48
30
2.52
L1007C150KDWIT
15
±10%
0.65
0.845
0.5
0.35
23
2.52
Part Number
Inductance
(µH)
Inductance
Tolerance
DC Resistance
(Ω) Typical
DC Resistance
(Ω) Maximum
Rated
Current
Irms (A)1
Rated
Current
Isat (A)2
Self-Resonance
Frequency
(MHz) Minimum
Inductance
Measuring
Frequency (MHz)
T = 40 K rise at rated current at 20°C
Inductance drop 30% at rated current at 20°C
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
L9015_L-DWI • 7/1/2020
3
Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
Table 1 – Ratings & Part Number Reference
Rated
Current
Isat (A)2
Self-Resonance
Frequency
(MHz) Minimum
Inductance
Measuring
Frequency (MHz)
0.5
0.35
23
2.52
0.46
0.32
19
2.52
0.46
0.32
19
2.52
0.32
0.27
15
2.52
1.95
0.32
0.27
15
2.52
2.47
0.29
0.24
12
2.52
2.47
0.29
0.24
12
2.52
2.8
3.64
0.2
0.2
9.5
2.52
±20%
2.8
3.64
0.2
0.2
9.5
2.52
±10%
3.7
4.81
0.17
0.16
9
0.796
100
±20%
3.7
4.81
0.17
0.16
9
0.796
150
±10%
6.1
7.93
0.13
0.14
7
0.796
L1007C151MDWIT
150
±20%
6.1
7.93
0.13
0.14
7
0.796
L1007C221KDWIT
220
±10%
8.4
10.92
0.11
0.12
5.5
0.796
L1007C221MDWIT
220
±20%
8.4
10.92
0.11
0.12
5.5
0.796
L1007C331KDWIT
330
±10%
12.3
15.99
0.09
0.1
4.5
0.796
L1007C331MDWIT
330
±20%
12.3
15.99
0.09
0.1
4.5
0.796
L1007C471KDWIT
470
±10%
22
28.6
0.07
0.08
3.5
0.796
L1007C471MDWIT
470
±20%
22
28.6
0.07
0.08
3.5
0.796
L1007C681KDWIT
680
±10%
28
36.4
0.06
0.07
3
0.796
L1007C681MDWIT
680
±20%
28
36.4
0.06
0.07
3
0.796
L1210R1R0MDWIT
1.0
±20%
0.06
0.072
1.44
2
250
0.1
L1210R1R5MDWIT
1.5
±20%
0.06
0.078
1.31
2
250
0.1
L1210R2R2MDWIT
2.2
±20%
0.08
0.104
1.13
2
190
0.1
L1210R3R3MDWIT
3.3
±20%
0.1
0.124
1.04
2
160
0.1
L1210R4R7MDWIT
4.7
±20%
0.1
0.13
1.01
1.25
70
0.1
L1210R6R8MDWIT
6.8
±20%
0.12
0.156
0.94
0.95
50
0.1
L1210R100KDWIT
10
±10%
0.13
0.173
0.9
0.9
23
0.1
L1210R100MDWIT
10
±20%
0.13
0.173
0.9
0.9
23
0.1
DC
Resistance
(Ω) Typical
DC
Resistance
(Ω) Maximum
±20%
0.65
0.845
±10%
0.77
1.001
22
±20%
0.77
1.001
L1007C330KDWIT
33
±10%
1.5
1.95
L1007C330MDWIT
33
±20%
1.5
L1007C470KDWIT
47
±10%
1.9
L1007C470MDWIT
47
±20%
1.9
L1007C680KDWIT
68
±10%
L1007C680MDWIT
68
L1007C101KDWIT
100
L1007C101MDWIT
L1007C151KDWIT
Inductance
(µH)
Inductance
Tolerance
L1007C150MDWIT
15
L1007C220KDWIT
22
L1007C220MDWIT
Part Number
1
2
Rated
Current
Irms (A)1
L1210R150KDWIT
15
±10%
0.2
0.254
0.85
0.73
20
0.1
L1210R150MDWIT
15
±20%
0.2
0.254
0.85
0.73
20
0.1
L1210R220KDWIT
22
±10%
0.27
0.351
0.78
0.62
17
0.1
L1210R220MDWIT
22
±20%
0.27
0.351
0.78
0.62
17
0.1
L1210R330KDWIT
33
±10%
0.41
0.533
0.57
0.5
13
0.1
L1210R330MDWIT
33
±20%
0.41
0.533
0.57
0.5
13
0.1
L1210R470KDWIT
47
±10%
0.67
0.871
0.48
0.39
10
0.1
L1210R470MDWIT
47
±20%
0.67
0.871
0.48
0.39
10
0.1
L1210R680KDWIT
68
±10%
1
1.3
0.41
0.32
8
0.1
L1210R680MDWIT
68
±20%
1
1.3
0.41
0.32
8
0.1
L1210R101KDWIT
100
±10%
1.4
1.82
0.34
0.27
6
0.1
L1210R101MDWIT
100
±20%
1.4
1.82
0.34
0.27
6
0.1
Part Number
Inductance
(µH)
Inductance
Tolerance
DC Resistance
(Ω) Typical
DC Resistance
(Ω) Maximum
Rated
Current
Irms (A)1
Rated
Current
Isat (A)2
Self-Resonance
Frequency
(MHz) Minimum
Inductance
Measuring
Frequency (MHz)
T = 40 K rise at rated current at 20°C
Inductance drop 30% at rated current at 20°C
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
L9015_L-DWI • 7/1/2020
4
Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
DC-Superposed Characteristics
L0806
L0805C1R0MDWIT
L0805C2R2MDWIT
L0805C4R7MDWIT
L0805C100MDWIT
L0805C220_ DWIT
L0805C470MDWIT
Inductance (µH)
Inductance (µH)
L0805
Idc (A)
L0806C100_DWIT
L0806C150MDWIT
L0806C220_DWIT
L0806C330MDWIT
L0806C470_DWIT
L0806C680MDWIT
L0806C101_DWIT
Inductance (µH)
Inductance (µH)
L1007
Idc (A)
L1007C1R0MDWIT
L1007C1R5MDWIT
L1007C2R2MDWIT
L1007C3R3MDWIT
L1007C4R7MDWIT
L1007C6R8MDWIT
Idc (A)
L1007
L1007C100_DWIT
L1007C150_DWIT
L1007C220_DWIT
L1007C330_DWIT
L1007C470_DWIT
L1007C680_DWIT
Inductance (µH)
L1007
Inductance (µH)
L0806C3R3MDWIT
L0806C4R7MDWIT
L0806C6R8MDWIT
Idc (A)
L0806
Idc (A)
L1007C101_DWIT
L1007C151_DWIT
L1007C221_DWIT
L1007C331_DWIT
L1007C471_DWIT
L1007C681_DWIT
Idc (A)
L1210
L1210R1R0MDWIT
L1210R1R5MDWIT
L1210R2R2MDWIT
L1210R3R3MDWIT
L1210R4R7MDWIT
L1210R6R8MDWIT
Idc (A)
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Inductance (µH)
L1210
Inductance (µH)
L0806C1R0MDWIT
L0806C1R5MDWIT
L0806C2R2MDWIT
L1210R100_DWIT
L1210R150_DWIT
L1210R220_DWIT
L1210R330_DWIT
L1210R470_DWIT
L1210R680_DWIT
L1210R101_DWIT
Idc (A)
L9015_L-DWI • 7/1/2020
5
Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
Inductance versus Frequency Characteristics
L0806
L0805C1R0MDWIT
L0805C2R2MDWIT
L0805C4R7MDWIT
L0805C100MDWIT
L0805C220_ DWIT
L0805C470MDWIT
Inductance (µH)
Inductance (µH)
L0805
L0806C1R0MDWIT
L0806C1R5MDWIT
L0806C2R2MDWIT
Frequency (MHz)
Frequency (MHz)
L1007
L0806C100_DWIT
L0806C150MDWIT
L0806C220_DWIT
L0806C330MDWIT
L0806C470_DWIT
L0806C680MDWIT
L0806C101_DWIT
Inductance (µH)
Inductance (µH)
L0806
L1007C1R0MDWIT
L1007C1R5MDWIT
L1007C2R2MDWIT
Frequency (MHz)
L1007C3R3MDWIT
L1007C4R7MDWIT
L1007C6R8MDWIT
Frequency (MHz)
L1007
L1007C100_DWIT
L1007C150_DWIT
L1007C220_DWIT
L1007C330_DWIT
L1007C470_DWIT
L1007C680_DWIT
Inductance (µH)
Inductance (µH)
L1007
L1007C101_DWIT
L1007C151_DWIT
L1007C221_DWIT
Frequency (MHz)
L1007C331_DWIT
L1007C471_DWIT
L1007C681_DWIT
Frequency (MHz)
L1210
L1210R1R0MDWIT
L1210R1R5MDWIT
L1210R2R2MDWIT
L1210R3R3MDWIT
L1210R4R7MDWIT
L1210R6R8MDWIT
Frequency (MHz)
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Inductance (µH)
L1210
Inductance (µH)
L0806C3R3MDWIT
L0806C4R7MDWIT
L0806C6R8MDWIT
L1210R100_DWIT
L1210R150_DWIT
L1210R220_DWIT
L1210R330_DWIT
L1210R470_DWIT
L1210R680_DWIT
L1210R101_DWIT
Frequency (MHz)
L9015_L-DWI • 7/1/2020
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Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
Taping Specifications - Millimeters (Inches)
0805, 0806, 1007 and 1210 Embossed (Plastic) Tape 8mm Width
1.75±0.1
(0.069±0.004)
A
B
T
8.0±0.3
(0.315±0.012)
3.5±0.05
(0.138±0.002)
Ø1.5±0.1/−0
(Ø0.059±0.004/−0)
Sprocket
Hole
K
P
2.0±0.05
(0.079±0.002)
4.0±0.1
(0.157±0.004)
EIA Case
Size
Metric
Case Size
Height
Reel
Quantity
0805
2012
1.25
3,000
0806
2016
1.6
2,000
1007
2518
1.8
2,000
1210
3225
2.5
1,000
Cavity
Pitch
Thickness
A
B
P
T
K
Nominal
1.45
2.25
4.00
0.25
1.45
Tolerance
±0.1
±0.1
±0.1
±0.05
Maximum
Nominal
1.75
2.10
4.00
0.30
1.90
Tolerance
±0.1
±0.1
±0.1
±0.05
Maximum
Nominal
2.15
2.70
4.00
0.30
2.20
Tolerance
±0.1
±0.1
±0.1
±0.05
Maximum
Nominal
2.80
3.50
4.00
0.30
4.00
Tolerance
±0.1
±0.1
±0.1
±0.05
Maximum
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
L9015_L-DWI • 7/1/2020
7
Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
Reel Specifications - Millimeters
t
E
C
B
D
A
W
Dimensions - Millimeters
Series
L-DMI
A
B
C
D
E
t
W
Nominal
ø180.0
ø60.0
ø13.0
ø21.0
2.0
2.5
10.0
Tolerance
Maximum
Minimum
±0.5
±0.8
±0.5
Maximum
±1.5
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
L9015_L-DWI • 7/1/2020
8
Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
Recommended Reflow Soldering Profile
300°C -
Peak 260°C +0/−5°C
5 seconds maximum
Temperature
250°C 200°C 150°C
-
180°C
150°C
Above 230°C
30 ± 10 seconds
100°C 50°C
-
90 ± 30 seconds
0°C
Time
Handling Precautions
Inductors should be stored in normal working environments. While the inductors themselves are quite robust in other
environments, exposure to high temperatures, high humidity, corrosive atmospheres, and long-term storage degrades
solderability.
KEMET recommends that maximum storage temperature not exceed 40°C and maximum storage humidity not exceed 70%
relative humidity. Atmospheres should be free of chlorine-bearing and sulfur-bearing compounds. Temperature fluctuations
should be minimized to avoid condensation on the parts.
For optimized solderability, inductor stock should be used promptly, preferably within six months of receipt.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
L9015_L-DWI • 7/1/2020
9
Chip Inductors
High Current Wire Wound Chip Power Inductor L-DWI
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© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
L9015_L-DWI • 7/1/2020
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