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PDF LVF404026 Data sheet ( Hoja de datos )
| Número de pieza | LVF404026 | |
| Descripción | Sealed Power Inductors | |
| Fabricantes | Chilisin Electronics | |
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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 FIG A B C
LVF201B12 1 2.0±0.25 1.6±0.25 1.2±0.05
LVF252A10 1 2.5±0.25 2.0±0.25 1.02 Max
LVF252A12 1 2.5±0.25 2.0±0.25 1.2±0.05
LVF303010 2 3.0±0.20 3.0±0.20 1.02 Max
LVF303012 2 3.0±0.20 3.0±0.20 1.2 Max
LVF303015 2 3.0±0.20 3.0±0.20 1.5 Max
LVF404012 2 4.0±0.20 4.0±0.20 1.2±0.1
D
0.6
0.8
0.8
1.0
1.0
1.0
1.5
HI J
1.8 0.8 0.8
2.2 0.85 0.8
2.2 0.85 0.8
3.2 1.1 1.0
3.2 1.1 1.0
3.2 1.1 1.0
4.2 1.5 1.2
Recommended Pattern
1 page  
Sealed Power Inductors – LVF Series
Electrical Characteristics
Part Number
Inductance
(uH)
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
Test
Frequency
(MHz)
1
1
1
1
1
1
1
1
1
1
1
1
Tolerance
(±%)
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
20, 30
RDC
(Ω) ±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
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 -40℃ to 125℃. (Including self - temperature rise)
Isat (A)
Typ. (Max)
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)
Irms (A)
Typ. (Max)
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)
Marking
B
C
D
E
F
G
H
I
J
K
L
M
Test Instruments：HP4284A Material/Impedance Analyzer
Inductance vs. DC Current
20
220
15
150
10
100
6R8
5 5R6
4R7 3R3 2R2 1R5
1R0 R50
0
0 0.5 1 1.5 2 2.5 3 3.5 4
DC Current(A)
Tem perature Change vs. DC Current
70
150 5R6
3R3
60
50
100
220
4R7
6R8
1R5 1R0
2R2
R50
40
30
20
10
0
0 0.5 1 1.5 2 2.5 3 3.5 4
DC Current(A)
5 Page 
Sealed Power Inductors – LVF Series
Electrical Characteristics
Part Number
Inductance
(uH)
LVF404018-1R0□-N
LVF404018-1R5□-N
LVF404018-2R2□-N
LVF404018-3R3□-N
1.0
1.5
2.2
3.3
Test
Frequency
(KHz)
100
100
100
100
Tolerance
(±%)
20, 30
20, 30
20, 30
20, 30
RDC
(Ω) ±30%
0.0265
0.0370
0.0470
0.0625
When ordering, please specify tolerance and packaging codes
Tolerance： T = ±30% , M = ±20%
L : Agilent/HP4284A+ Agilent/HP16334A, 100KHz, 1V
RDC : Digital Milliohm Meter Chroma 16502, or equivalent
Isat & Irms : Agilent/HP4284A, 100KHz 1V
Isat for Inductance drop 30% from its value without current
Irms for a 40℃ rise above 25℃ ambient
Operating temperature range from -40℃ to 125℃. (Including self - temperature rise)
Isat (A)
Typ. (Max)
4.2(3.78)
3.5(3.15)
3.0(2.70)
2.3(2.07)
Irms (A)
Typ. (Max)
3.8(3.42)
3.2(2.88)
2.7(2.43)
2.1(1.89)
Marking
1R0
1R5
2R2
3R3
Test Instruments：HP4284A Material/Impedance Analyzer
Inductance vs. DC Current
5
4.5
4
3.5
3
3R3
2.5
2
1.5 2R2
1R5
1 1R0
0.5
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
DC Current(A)
Tem perature Change vs. DC Current
70
60
1R5
3R3 2R2
1R0
50
40
30
20
10
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
DC Current(A)
11 Page | ||
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