Datasheet > 7447720221

7447720221

更新时间： 2025-09-04 18:36:59

品牌	Logo	应用领域
伍尔特 - WURTH		/
页数	文件大小	规格书
7页	741K
描述
WE-TI Radial Leaded Wire Wound Inductor

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7447720221 数据手册

Dimensions: [mm]

Recommended Hole Pattern: [mm]

Electrical Properties:

Properties

Test conditions

100 kHz/ 5 mA

ΔT = 40 K

Value

220

Unit Tol.

Inductance

µH

10ꢀ

Rated Current

max.

typ.

ISAT

RDC

fres

Saturation Current

DC Resistance

Self Resonant Frequency

|ΔL/L| < 10 ꢀ

@ 20 °C

389

450

3.8

mΩ

typ.

@ 20 °C

mΩ max.

MHz typ.

Certification:

RoHS Approval

REACh Approval

Halogen Free

Compliant [2011/65/EU&2015/863]

Conform or declared [(EC)1907/2006]

Conform [JEDEC JS709B]

Scale - 2:1

Conform [IEC 61249-2-21]

Schematic:

General Properties:

0,7 ref.

Ambient Temperature (referring

to IR)

-40 up to +85 °C

-40 up to +125 °C

< 40 °C ; < 75 ꢀ RH

Operating Temperature

Storage Conditions (in original

packaging)

Moisture Sensitivity Level (MSL)

Test conditions of Electrical Properties: +20 °C, 33 ꢀ RH if not specified differently

Scale - 2,5:1

Product Marking:

Start of Winding

•

CHECKED

REVISION

DATE (YYYY-MM-DD)

GENERAL TOLERANCE

PROJECTION

METHOD

L-Code

221 (Inductance Code)

TRi

001.001

2019-07-17

DIN ISO 2768-1m

DESCRIPTION

WE-TI Radial Leaded Wire Wound

Inductor

Würth Elektronik eiSos GmbH & Co. KG

EMC & Inductive Solutions

Max-Eyth-Str. 1

74638 Waldenburg

Germany

Tel. +49 (0) 79 42 945 - 0

www.we-online.com

ORDER CODE

7447720221

SIZE/TYPE

BUSINESS UNIT

STATUS

PAGE

8095

eiSos

Valid

1/7

eiSos@we-online.com

This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use. Moreover Würth Elektronik eiSos GmbH

& Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before the design-in stage. In addition, sufficient reliability evaluation checks for safety

must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.

12 3 4 5 6 7

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