744878001 Wurth Electronics Inc, 744878001 Datasheet

744878001

Manufacturer Part Number

744878001

Description

COUPLED INDUCTOR SEPIC/CUK 1.3UH

Manufacturer

Wurth Electronics Inc

Series

WE-DDr

Datasheet

1.744878001.pdf (3 pages)

Specifications of 744878001

Inductance Per Coil

1.3µH

Number Of Coils

Current

4.4A

Tolerance

±20%

Inductance - Connected In Series

5.2µH

Inductance - Connected In Parallel

1.3µH

Dc Resistance (dcr)

35.00 mOhm Max

Package / Case

0.287" L x 0.287" W x 0.157" H (7.30mm x 7.30mm x 4.00mm)

Mounting Type

Surface Mount

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

732-2299-2

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

744878001

Manufacturer:

WURTH/伍尔特

Quantity:

20 000

Current page: 1 of 3
Download datasheet (143Kb)

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

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.-fequency

Nennspannung /

rated voltage

Freigabe erteilt / general release:

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

HP 4274 A für/for L und/and Q

HP 34401 A für/for I

Basismaterial / base material:

Draht / wire:

Eigenschaften / properties

Werkstoffe & Zulassungen / material & approvals :

Mechanische Abmessungen / dimensions :

Elektrische Eigenschaften / electrical properties :

Prüfgeräte / test equipment :

Geprüft / checked

Datum / date

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

und/and R

Spezifikation für Freigabe / specification for release

DOPPELDROSSEL WE-DD

POWER-CHOKE WE-DD

Testbedingungen /

test conditions

1 kHz / 0,25V

|ΔL/L|<10%

ΔT = 40 K

@ 20°

Würth Elektronik eiSos GmbH & Co.KG

Ferrit/ ferrite

2 SFBW; 155°C

744878001

SRF

N1,

DC1,2

sat

http://www.we-online.com

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

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

Kunde / customer

Würth Elektronik

Wert / value

0,027

0,035

Unterschrift / signature

Kontrolliert / approved

4,40

6,30

1,3

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 :

µH

Eigenschaften / general specifications :

±20%

max.

Name

typ.

tol.

Start

2,2

3,1

2,2

Änderung / modification

Lötpad / soldering spec.:

v v v v

4,0 max.

7,3 ± 0,4

1,0 ± 0,1

2,7 ± 0,1

4,0 ± 0,2

DATUM / DATE : 2009-09-01

Version 1

Typ S

1,0

-40°C - + 125°C

Finish

0,8

SEITE 1 VON 3

Datum / date

+20°C

09-09-01

[ mm ]

33%

@@FR M 1@@

Related parts for 744878001

744878001 Summary of contents

Page 1

... Werkstoffe & Zulassungen / material & approvals : Basismaterial / base material: Draht / wire: Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked D-74638 Waldenburg · Max-Eyth-Strasse · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744878001 Wert / value Einheit / unit ...

Page 2

... Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked D-74638 Waldenburg · Max-Eyth-Strasse · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744878001 LF Induktivität vs Strom (typ.) / Inductance vs Current (typ.) 4,0 6,0 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 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744878001 LF E ...

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