vlcf4018-2 TDK Corp., vlcf4018-2 Datasheet
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vlcf4018-2
Manufacturer Part Number
vlcf4018-2
Description
Smd Inductors Coils For Power Line Wound, Magnetic Shielded
Manufacturer
TDK Corp.
Datasheet
1.VLCF4018-2.pdf
(1 pages)
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLCF Series VLCF4018-2
FEATURES
• Mount area: 4× 4mm
• 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 contain no lead and also support lead-free
• It is a product conforming to RoHS directive.
APPLICATIONS
Power souce inductor for mobile devices such as mobile phones,
HDDs, and DSCs
ELECTRICAL CHARACTERISTICS
Part No.
VLCF4018T-1R6N1R7-2
VLCF4018T-2R2N1R4-2
VLCF4018T-3R3N1R2-2
VLCF4018T-4R7N1R0-2
VLCF4018T-6R8NR94-2
VLCF4018T-100MR74-2
VLCF4018T-150MR59-2
VLCF4018T-220MR49-2
VLCF4018T-330MR42-2
VLCF4018T-470MR34-2
∗
• 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.
Low profile: 1.8mm max. height
tion for EMC protection.
soldering.
Inductance
(µH)
1.6
2.2
3.3
4.7
6.8
10
15
22
33
47
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
Inductance
tolerance(%)
Test frequency
(kHz)
100
100
100
100
100
100
100
100
100
100
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERN
DC resistance(Ω)
max.
0.051
0.06
0.079
0.101
0.124
0.188
0.268
0.369
0.54
0.76
45˚
4R7
4.0±0.1
2.5
3.9
typ.
0.044
0.052
0.069
0.088
0.108
0.163
0.233
0.321
0.469
0.661
Rated current(A)
Based on inductance
change max.
1.72
1.44
1.26
1.07
0.94
0.74
0.59
0.49
0.42
0.34
Dimensions in mm
Dimensions in mm
002-02 / 20080629 / e531_vlcf4018_2.fm
Conformity to RoHS Directive
∗
Based on temperature
rise typ.
2.42
2.23
1.93
1.72
1.55
1.26
1.1
0.9
0.74
0.62
(1/1)