Sealed Power Inductors – LVF Series
LVF Series
LVF series, an automatic assembly constructed power inductor, is
shielded with magnetic resin and suitable for portable DC-DC
converter applications.
Features
RoHS compliant
Low DC resistance and high current
Highly accurate dimensions
Superior EMI characteristics with ultra low radiation comparing to
conventional shielded power inductors
Halogen free
Applications
Smart phone
DSC
Tablet PC and other portable devices
DC/DC converters
Product Identification
Shape and Dimensions
Figure 1
Figure 2
Dimensions in mm
TYPE
LVF201B12
LVF252A10
LVF252A12
LVF303010
LVF303012
LVF303015
LVF404012
FIG
1
1
1
2
2
2
2
A
2.0±0.25
2.5±0.25
2.5±0.25
3.0±0.20
3.0±0.20
3.0±0.20
4.0±0.20
B
1.6±0.25
C
1.2±0.05
D
0.6
0.8
0.8
1.0
1.0
1.0
1.5
H
1.8
2.2
2.2
3.2
3.2
3.2
4.2
I
0.8
0.85
0.85
1.1
1.1
1.1
1.5
J
0.8
0.8
0.8
1.0
1.0
1.0
1.2
Recommended Pattern
2.0±0.25 1.02 Max
2.0±0.25
1.2±0.05
3.0±0.20 1.02 Max
3.0±0.20
3.0±0.20
4.0±0.20
1.2 Max
1.5 Max
1.2±0.1
Sealed Power Inductors – LVF Series
Shape and Dimensions
Figure 3
Recommended Pattern
Dimensions in mm
TYPE
LVF404015
LVF404018
LVF404026
LVF606028
FIG
3
3
3
3
A
4.0±0.25
4.0±0.20
4.0±0.20
6.0±0.20
B
4.0±0.25
4.0±0.20
4.0±0.25
6.0±0.20
C
1.5±0.2
1.8±0.2
2.6±0.2
2.8±0.2
D
1.3
1.3
1.4
1.9±0.3
H
3.7
3.7
3.7
5.7
I
1.5
1.5
1.6
1.8
J
1.2
1.2
1.2
2.6
Shapes and Dimensions
Figure 4
Recommended Pattern
Dimensions in mm
TYPE
LVF505020
LVF606020
LVF808040
FIG
4
4
4
A
5.0±0.20
6.0±0.20
8.0±0.20
B
5.0±0.20
6.0±0.20
8.0±0.20
C
2.0±0.2
2.0±0.2
4.0
+0.2
-0.30
D
1.8
1.7±0.3
2.3±0.3
H
4.2
5.7
7.5
I
1.6
1.7
2.5
J
2.0
2.8
3.4
Sealed Power Inductors – LVF Series
Electrical Characteristics
Test
Inductance
Part Number
(uH)
(MHz)
LVF201B12-R47□-N
LVF201B12-R68□-N
LVF201B12-1R5□-N
LVF201B12-6R8□-N
0.47
0.68
1.5
6.8
1
1
1
1
20, 30
20, 30
20, 30
20, 30
0.051
0.074
0.130
0.465
2.70(2.43)
2.20(1.98)
1.60(1.44)
0.82(0.73)
2.30(2.07)
2.00(1.80)
1.45(1.30)
0.78(0.70)
A
L
D
H
Frequency
(±%)
(Ω) ±30%
Typ. (Max)
Typ. (Max)
Tolerance
RDC
Isat (A)
Irms (A)
Marking
When ordering, please specify tolerance and packaging codes
Tolerance： T = ±30% , M = ±20%
L : Agilent/HP4287A+ Agilent/HP16197A, 1MHz 200mV
RDC : Digital Milliohm Meter Chroma 16502, or equivalent
Isat & Irms : Agilent/HP4284A, 1MHz 200mV
Isat for Inductance drop 30% from its value without current
Irms for a 40℃ rise above 25℃ ambient
Operating temperature range from -55℃ to 125℃. (Including self - temperature rise)
Test Instruments：HP4284A
Material/Impedance Analyzer
Inductance vs. DC Current
10
80
70
8
60
6R8
Tem perature Change vs. DC Current
1R5
6R8
R68 R47
△
T(
℃
)
1R5
R68
R47
3
3.5
4
L(uH)
6
50
40
30
20
10
0
4
2
0
0
0.5
1
1.5
2
2.5
0
0.5
1
1.5
2
2.5
3
DC Current(A)
DC Current(A)
Sealed Power Inductors – LVF Series
Electrical Characteristics
Test
Inductance
Part Number
(uH)
(MHz)
LVF252A10-R47□-N
LVF252A10-1R0□-N
LVF252A10-1R5□-N
LVF252A10-4R7□-N
LVF252A10-100□-N
LVF252A10-150□-N
LVF252A10-220□-N
0.47
1.0
1.5
4.7
10
15
22
1
1
1
1
1
1
1
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
0.045
0.066
0.095
0.285
0.535
0.810
1.200
2.80(2.52)
1.98(1.78)
1.70(1.53)
0.92(0.82)
0.60(0.54)
0.50(0.45)
0.40(0.36)
2.30(2.07)
2.05(1.84)
1.85(1.66)
0.95(0.85)
0.70(0.63)
0.55(0.49)
0.44(0.39)
A
B
C
F
H
I
J
Frequency
(±%)
(Ω) ±30%
Typ. (Max)
Typ. (Max)
Tolerance
RDC
Isat (A)
Irms (A)
Marking
When ordering, please specify tolerance and packaging codes
Tolerance： T = ±30% , M = ±20%
L : Agilent/HP4287A+ Agilent/HP16197A, 1MHz 200mV
RDC : Digital Milliohm Meter Chroma 16502, or equivalent
Isat & Irms : Agilent/HP4284A, 1MHz 200mV
Isat for Inductance drop 30% from its value without current
Irms for a 40℃ rise above 25℃ ambient
Operating temperature range from -55℃ to 125℃. (Including self - temperature rise)
Test Instruments：HP4284A
Material/Impedance Analyzer
Inductance vs. DC Current
22.0
20.0
18.0
16.0
14.0
220
60
80
70
Tem perature Change vs. DC Current
4R7
1R5 1R0
220 150 100
△
T(
℃
)
50
40
30
20
L(uH)
12.0
10.0
8.0
6.0
4.0
2.0
0.0
0
R47
150
100
4R7
1R5
1R0
2
2.5
3
R47
10
0
0.5
1
1.5
3.5
4
0
0.5
1
1.5
2
2.5
3
DC Current(A)
DC Current(A)
Sealed Power Inductors – LVF Series
Electrical Characteristics
Test
Inductance
Part Number
(uH)
(MHz)
LVF252A12-R50□-N
LVF252A12-1R0□-N
LVF252A12-1R2□-N
LVF252A12-1R5□-N
LVF252A12-2R2□-N
LVF252A12-3R3□-N
LVF252A12-4R7□-N
LVF252A12-5R6□-N
LVF252A12-6R8□-N
LVF252A12-100□-N
LVF252A12-150□-N
LVF252A12-220□-N
0.50
1.0
1.2
1.5
2.2
3.3
4.7
5.6
6.8
10
15
22
1
1
1
1
1
1
1
1
1
1
1
1
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
0.028
0.050
0.053
0.068
0.080
0.130
0.190
0.210
0.300
0.385
0.570
0.810
3.50(3.15)
2.50(2.25)
2.10(1.89)
1.95(1.75)
1.80(1.62)
1.45(1.30)
1.10(0.99)
1.05(0.94)
0.95(0.85)
0.88(0.79)
0.68(0.61)
0.55(0.49)
3.00(2.70)
2.40(2.16)
2.35(2.11)
2.30(2.07)
1.80(1.62)
1.50(1.35)
1.10(0.99)
1.00(0.90)
0.80(0.72)
0.70(0.63)
0.62(0.55)
0.53(0.47)
B
C
D
E
F
G
H
I
J
K
L
M
Frequency
(±%)
(Ω) ±30%
Typ. (Max)
Typ. (Max)
Tolerance
RDC
Isat (A)
Irms (A)
Marking
When ordering, please specify tolerance and packaging codes
Tolerance： T = ±30% , M = ±20%
L : Agilent/HP4287A+ Agilent/HP16197A, 1MHz 200mV
RDC : Digital Milliohm Meter Chroma 16502, or equivalent
Isat & Irms : Agilent/HP4284A, 1MHz 200mV
Isat for Inductance drop 30% from its value without current
Irms for a 40℃ rise above 25℃ ambient
Operating temperature range from -55℃ to 125℃. (Including self - temperature rise)
Test Instruments：HP4284A
Material/Impedance Analyzer
Inductance vs. DC Current
70
20
60
220
15
50
Tem perature Change vs. DC Current
150
100
6R8
5R6
3R3
1R5 1R0
4R7
2R2
R50
220
△
T(
℃
)
6R8
5R6
4R7
3R3 2R2
1R5
2.5
1R0
3
R50
L(uH)
150
10
100
40
30
20
10
0
5
0
0
0.5
1
1.5
2
3.5
4
0
0.5
1
1.5
2
2.5
3
3.5
4
DC Current(A)
DC Current(A)
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