744873470 Wurth Electronics Inc, 744873470 Datasheet

744873470

Manufacturer Part Number

744873470

Description

COUPLED INDUCTOR FLYBACK 47UH

Manufacturer

Wurth Electronics Inc

Series

WE-DDr

Datasheet

1.744873470.pdf (3 pages)

Specifications of 744873470

Inductance Per Coil

47µH

Number Of Coils

Current

2.02A

Tolerance

±20%

Inductance - Connected In Series

188µH

Inductance - Connected In Parallel

47µH

Dc Resistance (dcr)

125.0 mOhm Max

Package / Case

0.492" L x 0.492" W x 0.335" H (12.50mm x 12.50mm x 8.50mm)

Mounting Type

Surface Mount

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

732-2353-2

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

744873470

Manufacturer:

WURTH/伍尔特

Quantity:

20 000

Current page: 1 of 3
Download datasheet (118Kb)

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Kunde / customer :

Artikelnummer / part number :

Bezeichnung :

description :

Induktivität (je Wicklg.) /

inductance (each wdg.)

DC-Widerstand (je Wicklg.) /

DC-resistance (each wdg.)

DC-Widerstand (je Wicklg.) /

DC-resistance (each wdg.)

Nennstrom (je Wicklg.)

rated Current (each wdg.)

Sättigungsstrom (je Wicklg.) /

saturation current (each wdg.)

Eigenres.-Frequenz

self-res.-frequency

Nennspannung /

rated voltage

(1)

Freigabe erteilt / general release:

WK 3260B für/for L und/and I

GMC Metrahit 27I für/for R

HP E4991A für/for SRF

Basismaterial / base material:

Draht / wire:

UL-File Number:

Stromfluss durch beide Wicklungen verursachen ∆T

both windings driven by rated current will occur ∆T /

Eigenschaften / properties

Werkstoffe & Zulassungen / material & approvals:

Mechanische Abmessungen / dimensions:

Elektrische Eigenschaften / electrical properties:

Prüfgeräte / test equipment:

Geprüft / checked

Datum / date

(2)

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

(2)

(1)

Spezifikation für Freigabe / specification for release

DOPPELDROSSEL WE-DD

POWER-CHOKE WE-DD

Testbedingungen /

100 kHz / 5mA

test conditions

ΔL/Lo = -10%

ΔT = 40 K

@ 20°C

Würth Elektronik eiSos GmbH & Co. KG

744873470

(2)

Ferrit/ ferrite

2 SFHW; 180°C

E174837

both windings in parallel /

beide Wicklungen parallel

DC1,2 max

DC1,2 typ

SRF

N1,

sat

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

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

http://www.we-online.de

Kunde / customer

Würth Elektronik

Wert / value

110,0

125,0

Unterschrift / signature

47,0

2,02

3,10

7,80

80,0

Kontrolliert / approved

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

Testbedingungen / test conditions:

mΩ

Eigenschaften / general specifications:

µH

±20%

max.

Name

typ.

tol.

Start

13,8

Änderung / modification

Lötpad / soldering spec.:

3,85

6,1

12,5 max.

8,5 max.

1,5 ± 0,2

4,9 ± 0,2

7,3 ± 0,5

Typ XL

Version 1

DATUM / DATE : 2009-11-01

-40°C - + 125°C

2,5

Finish

1,0

SEITE 1 VON 3

Datum / date

+20°C

09-11-01

33%

[ mm ]

Related parts for 744873470

744873470 Summary of contents

Page 1

... Werkstoffe & Zulassungen / material & approvals: Basismaterial / base material: Draht / wire: UL-File Number: Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked D-74638 Waldenburg · Max-Eyth-Strasse 1 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744873470 Wert / value Einheit / unit L L µ ...

Page 2

... Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked D-74638 Waldenburg · Max-Eyth-Strasse 1 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744873470 Induktivität vs Strom (typ.)/ Inductance vs Current (typ.) 2,0 3,0 4,0 Current (A) Kunde / customer ...

Page 3

... Würth Elektronik eiSos GmbH must be informed 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. D-74638 Waldenburg · Max-Eyth-Strasse 1 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744873470 G F ...

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