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April 2016

Inductors for Power Circuits

Wound Ferrite

VLCF Series

VLCF5024-2

Type

VLCF5024-2

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REMINDERS FOR USING THESE PRODUCTS

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

SAFETY REMINDERS

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

REMINDERS

The storage period is less than 6 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 (cars, 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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Product compatible with RoHS directive

Halogen-free

Compatible with lead-free solders

Inductors for Power Circuits

Wound Ferrite

Overview of VLCF5024-2 Type

FEATURES

Magnetic shield type wound inductor for power circuits.

Low-profile product.

Magnetic shield construction with ferrite core.

APPLICATION

Power source inductor for mobile devices such as HDDs, DVCs, and DSCs

LCDs, other DC to DC converters

PART NUMBER CONSTRUCTION

VLCF

Series name

5024

L×W×H Dimensions

(mm)

5024

5.0×5.0×2.4

Packaging style

Taping

1R8

Inductance

(μH)

1R8

1.8

150

101

100

Inductance

tolerance

±20%

±30%

1R8

Rated current

(A)

1R8

1.8

150

101

100

Internal code

OPERATING TEMPERATURE RANGE, PACKAGE QUANTITY, PRODUCT WEIGHT

Temperature range

Type

Package quantity

Individual weight

Operating

Storage

temperature

(pieces/reel)

（°C）

VLCF5024-2

–40 to +105

500

Operating temperature range includes self-temperature rise.

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

（mg）

221

RoHS Directive Compliant Product: See the following for more details related to RoHS Directive compliant products. http://product.tdk.com/en/environment/rohs/

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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VLCF5024-2 Type

RECOMMENDED REFLOW PROFILE

Preheating

Soldering

Peak

Natural

cooling

Temperature

Time

Preheating

Temp.

130°C

150°C

Time

110s

Soldering

Temp.

Time

200°C

90s

Peak

Temp.

260°C

Time

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.

20160411 / inductor_commercial_power_vlcf5024-2_en.fm

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VLCF5024-2 Type

SHAPE & DIMENSIONS

5.0±0.2

4R7

5.3max.

5.0±0.2

2.5

2.4max.

1.85

1.3

1.85

Dimensions in mm

RECOMMENDED LAND PATTERN

45°

1.3

2.1

3.0

4.9

Dimensions in mm

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.

1.2

20160411 / inductor_commercial_power_vlcf5024-2_en.fm

参数对比

与VLCF5024T-100MR88-2相近的元器件有：VLCF5024T-150MR71-2、VLCF5024T-1R8N1R8-2。描述及对比如下：

型号	VLCF5024T-100MR88-2	VLCF5024T-150MR71-2	VLCF5024T-1R8N1R8-2
描述	Fixed Inductors 10uH 0.88A 80mOhms 20%	Fixed Inductors 15uH 0.71A 133mOhms 20%	Fixed Inductors 1.8uH 1.86A 22mOhms 30%
是否无铅	不含铅	不含铅	不含铅
是否Rohs认证	符合	符合	符合
包装说明	2020	2020	2020
Reach Compliance Code	compliant	compliant	compliant
ECCN代码	EAR99	EAR99	EAR99
Factory Lead Time	12 weeks	12 weeks	12 weeks
大小写代码	2020	2020	2020
构造	Magnetically Shielded	Magnetically Shielded	Rectangular
型芯材料	Ferrite	Ferrite	Ferrite
直流电阻	0.092 Ω	0.152 Ω	0.026 Ω
标称电感 (L)	10 µH	15 µH	1.8 µH
电感器应用	POWER INDUCTOR	POWER INDUCTOR	POWER INDUCTOR
电感器类型	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR	GENERAL PURPOSE INDUCTOR
功能数量	1	1	1
端子数量	2	2	2
最高工作温度	105 °C	105 °C	105 °C
最低工作温度	-40 °C	-40 °C	-40 °C
封装高度	2.4 mm	2.4 mm	2.4 mm
封装长度	5 mm	5 mm	5 mm
封装形式	SMT	SMT	SMT
封装宽度	5 mm	5 mm	5 mm
包装方法	TR	TR	TR, 7 Inch
最大额定电流	2.14 A	1.66 A	4.05 A
形状/尺寸说明	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE	RECTANGULAR PACKAGE
屏蔽	YES	YES	YES
表面贴装	YES	YES	YES
端子位置	DUAL ENDED	DUAL ENDED	DUAL ENDED
端子形状	ONE SURFACE	ONE SURFACE	ONE SURFACE
测试频率	0.1 MHz	0.1 MHz	0.1 MHz
容差	20%	20%	30%
Base Number Matches	1	1	-