744777004 Wurth Electronics Inc, 744777004 Datasheet

744777004

Manufacturer Part Number

744777004

Description

INDUCTOR POWER 4.7UH 4A SMD

Manufacturer

Wurth Electronics Inc

Series

WE-PDr

Datasheet

1.744777004.pdf (3 pages)

Specifications of 744777004

Inductance

4.7µH

Current

Current - Saturation

Tolerance

±20%

Shielding

Shielded

Dc Resistance (dcr)

40 mOhm Max

Self Resonant Freq

40MHz

Package / Case

0.287" L x 0.287" W x 0.177" H (7.30mm x 7.30mm x 4.50mm)

Mounting Type

Surface Mount

Operating Temperature

-40°C ~ 125°C

Frequency - Test

1kHz

Material - Core

Ferrite

Applications

Line Regulation

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Q @ Freq

Current - Temperature Rise

Other names

Q3657437

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

744777004

Manufacturer:

WURTH/伍尔特

Quantity:

20 000

Current page: 1 of 3
Download datasheet (123Kb)

..................................................................................

Induktivität /

inductance

DC-Widerstand /

DC-resistance

DC-Widerstand /

DC-resistance

Nennstrom /

rated current

Sättigungsstrom /

saturation current

Eigenres.-Frequenz /

self-res.-fequency

Freigabe erteilt / general release:

...............................................

Kunde / customer :

Artikelnummer / part number :

Bezeichnung :

description :

HP 4274 A für/for L und/and Q

HP 34401 A für/for I

Basismaterial / base material:

Endoberfläche / finishing electrode:

Anbindung an Elektrode / soldering wire to plating:

Draht / wire:

Eigenschaften /

Mechanische Abmessungen / dimensions :

Elektrische Eigenschaften / electrical properties :

Prüfgeräte / test equipment :

= Start of winding

Werkstoffe & Zulassungen / material & approvals :

properties

Geprüft / checked

Datum / date

Marking

D-74638 Waldenburg · Max-Eyth-Straße 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400

SPEICHERDROSSEL WE-PD

POWER-CHOKE WE-PD

und/and R

Spezifikation für Freigabe / specification for release

Testbedingungen /

test conditions

1 kHz / 0,25V

| L/L|<10%

@ 20° C

T=40 K

Marking = Inductance code

Würth Elektronik eiSos GmbH & Co.KG

744777004

Ferrit/ferrite

100% Sn

Sn/Ag/Cu - 96.5/3.0/0.5%

2SFBW 155° C

SRF

DC max

DC typ

sat

http://www.we-online.com

Kunde / customer

..................................................................................

..................................................

Würth Elektronik

Wert / value

0,0250

0,0400

Unterschrift / signature

Kontrolliert / approved

4,00

40,0

4,7

Einheit / unit

Betriebstemp. / operating temperature:

Umgebungstemp. / ambient temperature: -40° C - + 85° C

It is recommended that the temperature of the part does

not exceed 125° C under worst case operating conditions.

Luftfeuchtigkeit / humidity:

Umgebungstemperatur / temperature:

MHz

µH

Testbedingungen / test conditions :

Eigenschaften / general specifications :

Ω

±20%

max.

Name

typ.

MST

tol.

SSt

Änderung / modification

Lötpad / soldering spec. :

4,5 max.

7,3 ± 0,2

2,0 ± 0,1

Typ M

Version 5

Version 3

Version 2

Version 1

DATUM / DATE : 2006-01-10

2,2

-40° C - + 125° C

1,6

4,8

SEITE 1 VON 3

Datum / date

+20° C

06-09-07

06-01-10

04-10-11

00-12-06

33%

8,0

[mm]

@@FR M 1@@

Related parts for 744777004

744777004 Summary of contents

Page 1

... Anbindung an Elektrode / soldering wire to plating: Draht / wire: Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked D-74638 Waldenburg · Max-Eyth-Straß · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744777004 LF B Wert / value Einheit / unit 4,7 L µH ...

Page 2

... Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked D-74638 Waldenburg · Max-Eyth-Straß · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744777004 LF Induktivität vs Strom (typ.) / Inductance vs Current (typ.) 4,00 6,00 Current (A) Kunde / customer ...

Page 3

... 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. D-74638 Waldenburg · Max-Eyth-Straß · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744777004 LF F ...

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