VLCF4028-2 TDK Corp., VLCF4028-2 Datasheet

VLCF4028-2

Manufacturer Part Number

VLCF4028-2

Description

Smd Inductors Coils For Power Line Wound, Magnetic Shielded

Manufacturer

TDK Corp.

Datasheet

1.VLCF4028-2.pdf (1 pages)

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SMD Inductors(Coils)

For Power Line(Wound, Magnetic Shielded)

VLCF Series VLCF4028-2

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.

VLCF4028T-1R2N2R7-2

VLCF4028T-1R6N2R3-2

VLCF4028T-2R2N1R9-2

VLCF4028T-2R7N1R8-2

VLCF4028T-4R7N1R5-2

VLCF4028T-6R8N1R3-2

VLCF4028T-100M1R0-2

VLCF4028T-150MR88-2

VLCF4028T-220MR72-2

VLCF4028T-330MR61-2

VLCF4028T-470MR48-2

VLCF4028T-101MR33-2

VLCF4028T-471MR14-2

∗

• 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: 2.8mm max. height

tion for EMC protection.

soldering.

Inductance

(µH)

1.2

1.6

2.2

2.7

4.7

6.8

100

470

±30

±20

Inductance

tolerance(%)

Test frequency

(kHz)

100

SHAPES AND DIMENSIONS

RECOMMENDED PC BOARD PATTERN

0.1

DC resistance(Ω)

max.

0.032

0.038

0.043

0.049

0.062

0.14

0.17

0.24

0.35

0.49

4.58

45˚

4.0±0.1

4R7

2.5

3.9

typ.

0.027

0.032

0.037

0.043

0.054

0.09

0.12

0.15

0.21

0.3

0.42

0.87

3.98

Rated current(A)

Based on inductance

change max.

2.71

2.31

1.94

1.89

1.57

1.36

1.06

0.88

0.72

0.61

0.48

0.33

0.14

Dimensions in mm

002-04 / 20080822 / e531_vlcf4028.fm

Conformity to RoHS Directive

∗

Based on temperature

rise typ.

3.11

2.85

2.63

2.46

2.18

1.69

1.45

1.05

0.9

0.74

0.78

0.55

0.25

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