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I N D U C T O R S

June 2017

Inductors for Power Circuits

Wound Ferrite

VLF-M-CA Series (For automobiles)

VLF252012MT-CA

Type

VLF252012MT-CA

Caution

The products in this catalog will be or have been

stopped production

Discontinue Issue Date

Last Purchase Order Date

Last Shipment Date

May 18, 2017

Mar. 29, 2019

Sep. 30, 2019

Please refer to our Web site about replacement information.

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I N D U C T O R S

REMINDERS FOR USING THESE PRODUCTS

Before using these products, be sure to request the delivery specifications.

The storage period is less than 12 months. Be sure to follow the storage conditions (Temperature: 5 to 40°C, Humidity: 10 to 75% RH

or less).

If the storage period elapses, the soldering of the terminal electrodes may deteriorate.

Do not use or store in locations where there are conditions such as gas corrosion (salt, acid, alkali, etc.).

Before soldering, be sure to preheat components.

The preheating temperature should be set so that the temperature difference between the solder temperature and chip temperature

does not exceed 150°C.

Soldering corrections after mounting should be within the range of the conditions determined in the specifications.

If overheated, a short circuit, performance deterioration, or lifespan shortening may occur.

When embedding a printed circuit board where a chip is mounted to a set, be sure that residual stress is not given to the chip due to

the overall distortion of the printed circuit board and partial distortion such as at screw tightening portions.

Self heating (temperature increase) occurs when the power is turned ON, so the tolerance should be sufficient for the set thermal

design.

Carefully lay out the coil for the circuit board design of the non-magnetic shield type.

A malfunction may occur due to magnetic interference.

Use a wrist band to discharge static electricity in your body through the grounding wire.

Do not expose the products to magnets or magnetic fields.

Do not use for a purpose outside of the contents regulated in the delivery specifications.

The products listed on this catalog are intended for use in general electronic equipment (AV equipment, telecommunications

equipment, home appliances, amusement equipment, computer equipment, personal equipment, office equipment, measurement

equipment, industrial robots) under a normal operation and use condition.

The products are not designed or warranted to meet the requirements of the applications listed below, whose performance and/or

quality require a more stringent level of safety or reliability, or whose failure, malfunction or trouble could cause serious damage to

society, person or property.

If you intend to use the products in the applications listed below or if you have special requirements exceeding the range or conditions

set forth in the each catalog, please contact us.

(1) Aerospace/Aviation equipment

(2) Transportation equipment (electric trains, ships, etc.)

(3) Medical equipment

(4) Power-generation control equipment

(5) Atomic energy-related equipment

(6) Seabed equipment

(7) Transportation control equipment

(8) Public information-processing equipment

(9) Military equipment

(10) Electric heating apparatus, burning equipment

(11) Disaster prevention/crime prevention equipment

(12) Safety equipment

(13) Other applications that are not considered general-purpose

applications

When designing your equipment even for general-purpose applications, you are kindly requested to take into consideration securing

protection circuit/device or providing backup circuits in your equipment.

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Please pay sufficient attention to the warnings for safe designing when using these products.

SAFETY REMINDERS

REMINDERS

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I N D U C T O R S

Inductors for Power Circuits

Wound Ferrite

Product compatible with RoHS directive

Halogen-free

Compatible with lead-free solders

FEATURES

Magnetic shield type wound inductor for power circuits.

A DC-DC converter with top-class voltage conversion efficiency for similar products was achieved by optimizing the magnetic material

and configuration.

Low-profile product.

High magnetic shield construction and compatible with high-density mounting.

Halogen-free compatible product.

APPLICATION

Car navigation, car stereo and car accessories only



Not

available for use related to driving, curving, stopping, and the other safety.

PART NUMBER CONSTRUCTION

VLF

Series name

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252012

R47

internal code

Packaging style

Taping

Inductance

(µH)

R47

0.47

1R5

1.5

220

Inductance

tolerance

±20%

±30%

Temperature range

Package quantity

Individual weight

（g）

0.021

Overview of VLF252012MT-CA Type

L×W×H Dimensions

(mm max.)

252012

2.5×2.0×1.2

Internal code

OPERATING TEMPERATURE RANGE, PACKAGE QUANTITY, PRODUCT WEIGHT

Operating

Storage

temperature



temperature



(pieces/reel)

（°C）

VLF252012MT-CA

–40 to +105

2000



Operating temperature range includes self-temperature rise.



The Storage temperature range is for after the circuit board is mounted.

Type

RoHS Directive Compliant Product: See the following for more details.https://product.tdk.com/info/en/environment/rohs/index.html

Halogen-free: Indicates that Cl content is less than 900ppm, Br content is less than 900ppm, and that the total Cl and Br content is less than 1500ppm.

Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.

Please note that the contents may change without any prior notice due to reasons such as upgrading.

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I N D U C T O R S

VLF252012MT-CA Type

RECOMMENDED REFLOW PROFILE

Preheating

Soldering

Peak

Natural

cooling

Preheating

Temp.

150°C

180°C

Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.

Please note that the contents may change without any prior notice due to reasons such as upgrading.

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Temperature

Time

60 to 120s

Soldering

Temp.

Time

230°C

30s

Peak

Temp.

260°C

Time

10s

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I N D U C T O R S

VLF252012MT-CA Type

SHAPE & DIMENSIONS

2.0±0.2

RECOMMENDED LAND PATTERN

0.75

Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.

Please note that the contents may change without any prior notice due to reasons such as upgrading.

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(0.55)

(0.6)

(0.55)

Dimensions in mm

2.5±0.2

1.2max.

0.6

0.75

Dimensions in mm

1.3

(0.85)

20170612 / inductor_automotive_power_vlf252012mt-ca_en.fm

型号	VLF252012MT-100M-CA	VLF252012MT-R47N-CA	VLF252012MT-3R3M-CA	VLF252012MT-150M-CA	VLF252012MT-220M-CA	VLF252012MT-6R8M-CA
描述	Fixed Inductors 10uH 410mohms 780mA PWR Wound Automotive	Fixed Inductors	Fixed Inductors	Fixed Inductors 15uH 680mohms 630mA PWR Wound Automotive	Fixed Inductors 22uH 1.0ohms 460mA PWR Wound Automotive	Fixed Inductors
Product Attribute	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value
制造商 Manufacturer	TDK(株式会社)	TDK(株式会社)	TDK(株式会社)	TDK(株式会社)	TDK(株式会社)	TDK(株式会社)
产品种类 Product Category	Fixed Inductors	Fixed Inductors	Fixed Inductors	Fixed Inductors	Fixed Inductors	Fixed Inductors
工厂包装数量 Factory Pack Quantity	2000	2000	2000	2000	2000	2000
产品 Product	Power Inductors	-	Fixed Inductors	Fixed Inductors	Fixed Inductors	Fixed Inductors
系列 Packaging	Reel	Reel	Reel	Reel	Reel	Reel
应用 Application	-	-	Automotive	Automotive	Automotive	Automotive
资格 Qualification	-	-	AEC-Q200	AEC-Q200	AEC-Q200	AEC-Q200