Cautions and Warnings
Please be noted that this spec is only for reference if you have projects
designed with the product number listed in. If you are looking for new
project design-in, please find BWVF Series specification/datasheet on
Chilisin website. Or you may find our sales contact for more information on
old part number at your convenience. Appreciated your attention and
understanding.
Note:
Please be sure to request approval specifications that provide further details of the products.
Kindly note that the content of these specifications are subject to change or may be discontinued
without prior notice. This product may not be designed/used in medical or high risk applications
without Chilisin approval. Please contact our sales department before ordering.
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, Halogen Free and REACH Compliance
Shielded with magnetic resin
Various package size and wide inductance range
Optimize electrical characteristics by using different ferrite core
figures
Applications
Smartphones, tablets and wearable devices
DSC, camcorders
AP Routers
STBs
LCD TVs, monitors and panels
Game consoles
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
FIG
3
3
3
A
4.0±0.25
4.0±0.20
4.0±0.20
B
4.0±0.25
4.0±0.20
4.0±0.25
C
1.5±0.2
1.9 Max
2.6±0.2
D
1.3
1.3
1.4
H
3.7
3.7
3.7
I
1.5
1.5
1.6
J
1.2
1.2
1.2
Shapes and Dimensions
Figure 4
Recommended Pattern
Dimensions in mm
TYPE
LVF505020
LVF606020
LVF606028
LVF808040
FIG
4
4
4
4
A
5.0±0.20
6.0±0.20
6.0±0.20
8.0±0.20
B
5.0±0.20
6.0±0.20
6.0±0.20
8.0±0.20
C
2.0±0.2
2.0±0.2
2.8±0.2
4.0
+0.2-0.30
D
1.8±0.3
1.7±0.3
1.9±0.3
2.3±0.3
H
4.2
5.7
5.7
7.5
I
1.6
1.7
1.8
2.5
J
2.0
2.8
2.6
3.4
Sealed Power Inductors – LVF Series
– LVS252012 Series
Electrical Characteristics
Test
Inductance
Part Number
(uH)
LVF201B12-R47□-N
LVF201B12-R68□-N
LVF201B12-1R5□-N
LVF201B12-6R8□-N
0.47
0.68
1.5
6.8
(±%)
(MHz)
20, 30
20, 30
20, 30
20, 30
1
1
1
1
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
Tolerance
Frequency
(Ω) ±30%
Typ. (Max)
Typ. (Max)
RDC
Isat (A)
Irms (A)
Marking
Note: When ordering, please specify tolerance code. Tolerance: M=±20% , T =±30%
Operating temperature range－55℃½125℃(Including self - temperature rise)
Isat for Inductance drop 30% from its value without current
Irms for a 40℃ temperature rise from 25℃ ambient with current
Measure Equipment：
L：Agilent HP4287A+Agilent HP16197A, 1MHz 200mV
RDC：DIGITAL MILLINHM METER CHROMA 16502, or equivalent
Isat & Irms：Agilent HP4284A
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)
Please be sure to request approval specifications that provide further details of the products. Kindly note that the content of these
specifications are subject to change or may be discontinued without prior notice. This product may not be designed/used in
medical or high risk applications without Chilisin approval. Please contact our sales department before ordering.
Sealed Power Inductors – LVF Series
– LVS252012 Series
Electrical Characteristics
Test
Inductance
Part Number
(uH)
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
(±%)
(MHz)
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
1
1
1
1
1
1
1
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
Tolerance
Frequency
(Ω) ±30%
Typ. (Max)
Typ. (Max)
RDC
Isat (A)
Irms (A)
Marking
Note: When ordering, please specify tolerance code. Tolerance: M=±20% , T =±30%
Operating temperature range－55℃½125℃(Including self - temperature rise)
Isat for Inductance drop 30% from its value without current
Irms for a 40℃ temperature rise from 25℃ ambient with current
Measure Equipment：
L：Agilent HP4287A+Agilent HP16197A, 1MHz 200mV
RDC：DIGITAL MILLINHM METER CHROMA 16502, or equivalent
Isat & Irms：Agilent HP4284A
Test Instruments：HP4284A
Material/Impedance Analyzer
Inductance vs. DC Current
22.0
20.0
18.0
16.0
14.0
220
Tem perature Change vs. DC Current
80
70
60
220 150 100
4R7
1R5 1R0
△
T(
℃
)
L(uH)
50
40
30
20
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)
Please be sure to request approval specifications that provide further details of the products. Kindly note that the content of these
specifications are subject to change or may be discontinued without prior notice. This product may not be designed/used in
medical or high risk applications without Chilisin approval. Please contact our sales department before ordering.
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