TDK VLCF Series VLCF4024-2 User Manual
TDK Hardware
(1/1)
001-02 / 20080701 / e531_vlcf4024_2.fm
• All specifications are subject to change without notice.
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
VLCF Series VLCF4024-2
FEATURES
• Miniature size
Mount area: 4
× 4mm
Height: 2.4mm max.
• Generic use for portable DC to DC converter line
• High magnetic shield construction should actualize high resolu-
tion for EMC protection.
• Available for automatic mounting in tape and real package.
• The products do not contain lead and support lead-free solder-
ing.
APPLICATIONS
DC to DC converters for DVC, DSC, PDA, MD, LCD displays,
HDDs, celluar phones, etc.
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERN
ELECTRICAL CHARACTERISTICS
∗
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.
• Operating temperature range: –40 to +105°C (Including self-temperature rise)
Conformity to RoHS Directive
4.0
±0.1
4.0
±
0.1
2.4max.
Dimensions in mm
4R7
2.5
45˚
3.9
1.6
1.6
1.3
4.5
Dimensions in mm
Part No.
Inductance
(µH)
Inductance
tolerance
Test frequency
(kHz)
DC resistance(
Ω)
Rated current(A)
∗
max.
typ.
Based on inductance
change max.
Based on temperature
rise typ.
VLCF4024T-1R2N2R4-2
1.2
±30%
100
0.032
0.027
2.46
3.09
VLCF4024T-1R6N2R1-2
1.6
±30%
100
0.039
0.035
2.10
2.61
VLCF4024T-2R2N1R7-2
2.2
±30%
100
0.043
0.039
1.76
2.43
VLCF4024T-3R3N1R7-2
3.3
±30%
100
0.068
0.061
1.60
1.96
VLCF4024T-4R7N1R4-2
4.7
±30%
100
0.087
0.075
1.43
1.76
VLCF4024T-6R8N1R1-2
6.8
±30%
100
0.116
0.101
1.15
1.54
VLCF4024T-100MR90-2
10
±20%
100
0.136
0.119
0.90
1.37
VLCF4024T-150MR80-2
15
±20%
100
0.198
0.172
0.80
1.05
VLCF4024T-220MR65-2
22
±20%
100
0.332
0.28
0.65
0.90
VLCF4024T-330MR55-2
33
±20%
100
0.438
0.38
0.55
0.74
VLCF4024T-470MR44-2
47
±20%
100
0.644
0.56
0.44
0.64
VLCF4024T-101MR30-2
100
±20%
100
1.21
1.05
0.30
0.48
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific
bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.