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002-03 / 20080629 / e531_vlf3012a.fm

• All specifications are subject to change without notice.

SMD Inductors(Coils)

For Power Line(Wound, Magnetic Shielded)

VLF Series VLF3012A

FEATURES

• Miniature size

Mount area: 2.6

× 2.8mm

Low profile: 1.2mm max. height

• 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 contain no lead and also support lead-free

soldering.

• It is a product conforming to RoHS directive.

APPLICATIONS

Power souce inductor for mobile devices such as mobile phones,

HDDs, and DSCs

SHAPES AND DIMENSIONS

RECOMMENDED PC BOARD PATTERN

ELECTRICAL CHARACTERISTICS

has fallen by 30%, whichever is smaller.

• Operating temperature range: –40 to +105°C (Including self-temperature rise)

TYPICAL ELECTRICAL CHARACTERISTICS

INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS

VLF3012AT-1R5N1R2

VLF3012AT-2R2M1R0

Conformity to RoHS Directive

1.2max.

(Include terminal area)

2.8

±0.2

Dimensions in mm

3.4

2.1

Dimensions in mm

Part No.

Inductance

(µH)

Inductance

tolerance(%)

Test frequency

(kHz)

DC resistance(

Ω)

max.

typ.

Based on inductance

change Idc1 max.

Based on temperature

rise Idc2 typ.

VLF3012AT-1R5N1R2

1.5

±30

100

0.068

0.059

1.2

1.6

VLF3012AT-2R2M1R0

2.2

±20

100

0.1

0.088

1.0

1.3

VLF3012AT-3R3MR87

3.3

±20

100

0.13

0.11

0.87

1.2

VLF3012AT-4R7MR74

4.7

±20

100

0.19

0.16

0.74

0.98

VLF3012AT-6R8MR59

6.8

±20

100

0.27

0.23

0.59

0.83

VLF3012AT-100MR49

10

±20

100

0.41

0.36

0.49

0.67

VLF3012AT-150MR41

15

±20

100

0.62

0.54

0.41

0.54

VLF3012AT-220MR33

22

±20

100

0.76

0.66

0.33

0.49

VLF3012AT-330MR27

33

±20

100

1.3

1.1

0.27

0.38

VLF3012AT-470MR22

47

±20

100

2.2

1.9

0.22

0.29

0.0

0.5

1.0

1.5

2.0

2.5

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

DC current (A)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

DC current (A)

• 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.