VLCF4020 TDK, VLCF4020 Datasheet
VLCF4020
Manufacturer Part Number
VLCF4020
Description
SMD Inductors
Manufacturer
TDK
Datasheet
1.VLCF4020.pdf
(1 pages)
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www.DataSheet4U.com
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLCF Series VLCF4020
FEATURES
• Miniature size
• Generic use for portable DC to DC converter line
• High magnetic shield construction should actualize high resolu-
• Available for automatic mounting in tape and real package.
• The products do not contain lead and support lead-free solder-
APPLICATIONS
DC to DC converters for DVC, DSC, PDA, MD, LCD displays,
HDDs, etc.
ELECTRICAL CHARACTERISTICS
Part No.
VLCF4020T-1R8N1R9
VLCF4020T-2R2N1R7
VLCF4020T-3R3N1R5
VLCF4020T-4R7N1R2
VLCF4020T-6R8N1R0
VLCF4020T-100MR85
VLCF4020T-150MR68
VLCF4020T-220MR56
VLCF4020T-270MR48
VLCF4020T-330MR47
VLCF4020T-470MR39
VLCF4020T-101MR26
∗
• Operating temperature range: –40 to +105°C (Including self-temperature rise)
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific
• All specifications are subject to change without notice.
Rated current: Value obtained when current flows and the temperature has risen to 40°C or when DC current flows and the nominal value of inductance
has fallen by 30%, whichever is smaller.
bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
Mount area: 4× 4mm
Height: 2.0mm max.
tion for EMC protection.
ing.
Inductance
(µH)
1.8
2.2
3.3
4.7
6.8
10
15
22
27
33
47
100
Inductance
tolerance(%)
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
Test frequency
(kHz)
100
100
100
100
100
100
100
100
100
100
100
100
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERN
DC resistance(Ω)
max.
0.051
0.059
0.078
0.098
0.131
0.185
0.303
0.431
0.496
0.628
0.934
1.4
45˚
4R7
4.0±0.1
2.5
3.9
0.046
0.054
0.071
0.089
0.119
0.168
0.275
0.391
0.451
0.571
0.849
1.308
typ.
Rated current(A)
Based on inductance
change max.
1.97
1.72
1.52
1.24
1.05
0.85
0.68
0.56
0.48
0.47
0.39
0.26
Dimensions in mm
Dimensions in mm
001-04 / 20060612 / e531_vlcf4020.fm
Conformity to RoHS Directive
∗
Based on temperature
rise typ.
2.37
2.19
1.94
1.71
1.47
1.22
1.0
0.8
0.8
0.69
0.56
0.45
(1/1)
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