VLF3012AT-470MR22 datasheet, PDF

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VLF3012AT-470MR22: DescriptionAccuracy: ±20% Rated current: 220mA DC resistance (internal resistance): 2.2Ω Inductance value: 47uH; CategoryPassive components inductor; File Size35KB，2 Pages; ManufacturerTDK Corporation; Websitehttp://www.tdk.com; Environmental Compliance

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VLF3012AT-470MR22 Overview

Accuracy: ±20% Rated current: 220mA DC resistance (internal resistance): 2.2Ω Inductance value: 47uH

VLF3012AT-470MR22 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	TDK Corporation
package instruction	1110
Reach Compliance Code	compliant
ECCN code	EAR99
uppercase and lowercase codes	1110
structure	Magnetically Shielded
core material	Ferrite
DC Resistance	2.2 Ω
Nominal inductance(L)	47 µH
Inductor Applications	POWER INDUCTOR
Inductor type	GENERAL PURPOSE INDUCTOR
Number of functions	1
Number of terminals	2
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Package height	1.2 mm
Package length	2.8 mm
Package form	SMT
Package width	2.6 mm
method of packing	TR
Maximum rated current	0.29 A
Shape/Size Description	RECTANGULAR PACKAGE
shield	YES
surface mount	YES
Terminal location	DUAL ENDED
Terminal shape	WRAPAROUND
Test frequency	0.1 MHz
Tolerance	20%
Base Number Matches	1

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(1/2)

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 do not contain lead and support lead-free solder-

ing.

APPLICATIONS

DVCs, DSCs, PDAs, LCD displays, Cellular phones, HDDs, etc.

ELECTRICAL CHARACTERISTICS

Part No.

VLF3012AT-1R5N1R2

VLF3012AT-2R2M1R0

VLF3012AT-3R3MR87

VLF3012AT-4R7MR74

VLF3012AT-6R8MR59

VLF3012AT-100MR49

VLF3012AT-150MR41

VLF3012AT-220MR33

VLF3012AT-330MR27

VLF3012AT-470MR22

∗

Conformity to RoHS Directive

SHAPES AND DIMENSIONS

2.6±0.2

4R7

2.8±0.2

1.2max.

(Include terminal area)

Dimensions in mm

RECOMMENDED PC BOARD PATTERN

1.2

2.1

3.4

Dimensions in mm

Inductance

(µH)

1.5

2.2

3.3

4.7

6.8

10

15

22

33

47

Inductance

tolerance(%)

±30

±20

Test frequency

(kHz)

100

DC resistance(Ω)

max.

0.068

0.1

0.13

0.19

0.27

0.41

0.62

0.76

1.3

2.2

typ.

0.059

0.088

0.11

0.16

0.23

0.36

0.54

0.66

1.1

1.9

Rated current(A)

∗

Based on inductance

change max.

1.2

1.0

0.87

0.74

0.59

0.49

0.41

0.33

0.27

0.22

Based on temperature

rise typ.

1.6

1.3

1.2

0.98

0.83

0.67

0.54

0.49

0.38

0.29

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)

TYPICAL ELECTRICAL CHARACTERISTICS

INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS

VLF3012AT-1R5N1R2

2.5

Inductance(

µH

)

VLF3012AT-2R2M1R0

3.0

2.5

Inductance(

µH

)

2.0

1.5

1.0

0.5

2.0

1.5

1.0

0.5

0.0

0.2

0.4

0.6

0.8

DC current (A)

1.0

1.2

1.4

0.0

0.2

0.4

0.6

0.8

DC current (A)

1.0

1.2

1.4

• 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.

• All specifications are subject to change without notice.

001-04 / 20060927 / e531_vlf3012a.fm

VLF3012AT-470MR22 Related Products

	VLF3012AT-470MR22	VLF3012AT-3R3MR87
Description	Accuracy: ±20% Rated current: 220mA DC resistance (internal resistance): 2.2Ω Inductance value: 47uH	Accuracy: ±20% Rated current: 870mA DC resistance (internal resistance): 130mΩ Inductance value: 3.3uH
Is it lead-free?	Lead free	Lead free
Is it Rohs certified?	conform to	conform to
Maker	TDK Corporation	TDK Corporation
package instruction	1110	1110
Reach Compliance Code	compliant	compliant
ECCN code	EAR99	EAR99
uppercase and lowercase codes	1110	1110
structure	Magnetically Shielded	Magnetically Shielded
core material	Ferrite	Ferrite
DC Resistance	2.2 Ω	0.13 Ω
Nominal inductance(L)	47 µH	3.3 µH
Inductor Applications	POWER INDUCTOR	POWER INDUCTOR
Inductor type	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR
Number of functions	1	1
Number of terminals	2	2
Maximum operating temperature	105 °C	105 °C
Minimum operating temperature	-40 °C	-40 °C
Package height	1.2 mm	1.2 mm
Package length	2.8 mm	2.8 mm
Package form	SMT	SMT
Package width	2.6 mm	2.6 mm
method of packing	TR	TR
Maximum rated current	0.29 A	1.2 A
Shape/Size Description	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE
shield	YES	YES
surface mount	YES	YES
Terminal location	DUAL ENDED	DUAL ENDED
Terminal shape	WRAPAROUND	WRAPAROUND
Test frequency	0.1 MHz	0.1 MHz
Tolerance	20%	20%
Base Number Matches	1	1

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