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744874003

Description
coupled inductors WE-DD power choke 3.3uh 17mohm
CategoryPassive components   
File Size122KB,3 Pages
ManufacturerAll Sensors
Environmental Compliance  
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744874003 Overview

coupled inductors WE-DD power choke 3.3uh 17mohm

744874003 Parametric

Parameter NameAttribute value
ManufactureWurth Electronics
Product CategoryCoupled Inductors
RoHSYes
Inductance - Parallel3.3 uH
Inductance - Series3.3 uH
Tolerance20 %
Maximum DC Curre4.91 A
Maximum DC Resistance22 mOhms
Operating Temperature Range- 40 C to + 125 C
Case Heigh6.5 mm
Case Length12.5 mm
Case Width12.5 mm
Dimensions12.5 mm W x 12.5 mm L x 6.5 mm H
Mounting StyleSMD/SMT
PackagingReel
ProducSMD Power Inductors
Termination StyleSMD/SMT
TypeSMD Shielded Coupled Induc
Spezifikation für Freigabe / specification for release
Kunde / customer
:
Artikelnummer / part number
:
Bezeichnung :
description :
744874003
DOPPELDROSSEL WE-DD
POWER-CHOKE WE-DD
DATUM / DATE : 2009-11-01
A
Mechanische Abmessungen / dimensions:
Typ L
A
B
1
D
C
2
A
B
C
D
E
12,5 max.
6,5 max
1,5 ± 0,2
4,9 ± 0,2
7,3 ± 0,5
1
Start
2
4
Finish
3
mm
mm
mm
mm
mm
L1
A
E
L2
4
3
B
Elektrische Eigenschaften / electrical properties:
Eigenschaften / properties
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.)
(1)
/
rated Current (each wdg.)
(1)
Sättigungsstrom (je Wicklg.) /
saturation current (each wdg.)
Eigenres.-Frequenz
(2)
/
self-res.-frequency
(2)
Nennspannung /
rated Voltage
(1)
C
Lötpad / soldering spec.:
Einheit / unit
tol.
1,0
Testbedingungen /
test conditions
100 kHz / 5mA
@ 20°
@ 20°
ΔT
= 40 K
ΔL/Lo
= -10%
Wert / value
L
1,
L
2
R
DC1,2 typ
R
DC1,2 max
I
N1,
I
N2
I
sat
SRF
U
DC
(2)
3,3
17,0
22,0
4,91
8,90
45
80
µH
A
A
MHz
V
[ mm ]
±20%
typ.
max.
max.
typ.
typ.
max.
3,85
13,8
3,85
6,1
2,5
both windings driven by rated current will occur
∆T
/
Stromfluss durch beide Wicklungen verursachen
∆T
both windings in parallel /
beide Wicklungen parallel
D
Prüfgeräte / test equipment:
WK 3260B
für/for L und/and I
DC
GMC Metrahit 27I
für/for R
DC
HP E4991A
für/for SRF
E
Testbedingungen / test conditions:
Luftfeuchtigkeit / humidity:
Umgebungstemperatur / temperature:
33%
+20°C
F
Werkstoffe & Zulassungen / material & approvals:
Basismaterial / base material:
Draht / wire:
UL-File Number:
Ferrit/ ferrite
2 SFHW; 180°C
E174837
G
Eigenschaften / general specifications:
Betriebstemperatur / operating temperature: -40°C - + 125°C
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.
Freigabe erteilt / general release:
Kunde / customer
..................................................................................
................................................................................
Datum / date
Unterschrift / signature
Würth Elektronik
............................................
OO
Name
Version 1
Änderung / modification
09-11-01
...............................................
Geprüft / checked
Kontrolliert / approved
Datum / date
Würth Elektronik eiSos GmbH & Co.KG
D-74638 Waldenburg · Max-Eyth-Strasse 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
http://www.we-online.com
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