Sealed Power Inductors – LVT Series
LVT Series
LVT 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 electrical with ultra low radiation
comparing to conventional shielded power inductors
Halogen free
Applications
Smartphone
DSC
Tablet PC and other portable devices
DC/DC converters
Product Identification
Shape and Dimensions
Figure 1
Figure 2
Recommended Pattern
Dimensions in mm
TYPE
LVT201B10
LVT252A10
LVT252A12
LVT303010
LVT303012
LVT404012
FIG
1
1
1
2
2
2
A
B
C
D
0.6
0.8
0.8
1.0
1.0
1.5
H
1.8
2.2
2.2
3.2
3.2
4.2
I
0.80
0.85
0.85
1.1
1.1
1.5
J
0.8
0.8
0.8
1.0
1.0
1.2
2.0±0.25 1.6±0.25 1.02 Max
2.5±0.25 2.0±0.25 1.02 Max
2.5±0.25 2.0±0.25 1.2±0.05
3.0±0.20 3.0±0.20 1.02 Max
3.0±0.20 3.0±0.20 1.20 Max
4.0±0.20 4.0±0.20
1.2±0.1
Sealed Power Inductors – LVT Series
Shape and Dimensions
Figure 3
Recommended Pattern
Figure 4
Recommended Pattern
Dimensions in mm
TYPE
LVT404015
LVT404026
LVT505020
LVT606020
LVT808040
FIG
3
3
4
4
4
A
4.0±0.25
4.0±0.20
5.0±0.2
6.0±0.2
8.0±0.2
B
4.0±0.25
4.0±0.25
5.0±0.2
6.0±0.2
8.0±0.2
C
1.5±0.2
2.6±0.2
2.0±0.2
2.0±0.2
4.0
+0.2
-0.30
D
1.3
1.4
1.8±0.3
1.7±0.3
2.3±0.3
H
3.7
3.7
4.2
5.7
7.5
I
1.5
1.2
1.6
1.7
2.5
J
1.2
1.6
2.0
2.8
3.4
Sealed Power Inductors –LVT Series
Electrical Characteristics
Test
Inductance
Part Number
(uH)
(MHz)
LVT201B10-R47□-N
0.47
1
20, 30
72
2.4(2.16)
2.4(2.16)
A
Frequency
(±%)
(mΩ) ±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
1.0
70
Tem perature Change vs. DC Current
R47
60
0.8
50
△
T(
℃
)
3
3.5
L(uH)
0.6
R47
0.4
40
30
20
0.2
10
0.0
0
0.5
1
1.5
2
2.5
0
0
0.5
1
1.5
2
2.5
3
DC Current(A)
DC Current(A)
Sealed Power Inductors – LVT Series
Electrical Characteristics
Test
Inductance
Part Number
(uH)
(MHz)
LVT252A10-R68□-N
LVT252A10-2R2□-N
LVT252A10-3R3□-N
LVT252A10-6R8□-N
0.68
2.2
3.3
6.8
1
1
1
1
20, 30
20, 30
20, 30
20, 30
0.050
0.135
0.220
0.435
2.40(2.160)
1.42(1.278)
1.12(1.008)
0.78(0.702)
2.20(1.980)
1.55(1.395)
1.20(1.080)
0.84(0.756)
K
D
E
G
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
8.0
7.0
6.0
5.0
6R8
70
60
50
Tem perature Change vs. DC Current
6R8
3R3
2R2
R68
△
T(
℃
)
3R3
2R2
R68
L(uH)
40
30
20
4.0
3.0
2.0
1.0
0.0
0
0.5
1
1.5
2
2.5
3
10
0
0
0.5
1
1.5
2
2.5
3
DC Current(A)
DC Current(A)
Sealed Power Inductors – LVC/LVT Series
Electrical Characteristics
Test
Inductance
Part Number
(uH)
(MHz)
LVT252A12-R47□-N
0.47
1
20, 30
0.027
3.70(3.330)
3.10(2.790)
A
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
2.0
Tem perature Change vs. DC Current
70
60
R47
1.5
50
△
T(
℃
)
R47
L(uH)
40
30
20
1.0
0.5
10
0
0.0
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0
0.5
1
1.5
2
2.5
3
3.5
4
DC Current(A)
DC Current(A)
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