TDK VLCF Series VLCF4024-2 User manual

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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

2.4max.

Dimensions in mm

4R7

2.5

45˚

3.9

1.61.6 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.

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