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744877008

Description
coupled inductors WE-DD coupled 8.2uh 1.7A 0.11ohm
CategoryPassive components   
File Size97KB,3 Pages
ManufacturerAll Sensors
Environmental Compliance
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744877008 Overview

coupled inductors WE-DD coupled 8.2uh 1.7A 0.11ohm

744877008 Parametric

Parameter NameAttribute value
ManufactureWurth Electronics
Product CategoryCoupled Inductors
RoHSYes
Inductance - Parallel8.2 uH
Inductance - Series8.2 uH
Tolerance20 %
Maximum DC Curre1.7 A
Maximum DC Resistance110 mOhms
Operating Temperature Range- 40 C to + 125 C
Case Heigh1 mm
Case Length7.3 mm
Case Width4.8 mm
Dimensions4.8 mm W x 7.3 mm L x 1 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 :
a
744877008
DOPPELDROSSEL WE-DD
POWER-CHOKE WE-DD
DATUM / DATE : 2011-04-19
A
Mechanische Abmessungen / dimensions:
Typ M
A
B
2
D
C
3
A
E
A
B
C
D
E
F
1
Start
7,3 ± 0,4
4,8 max.
1,0 ± 0,1
2,7 ± 0,1
4,0 ± 0,2
mm
mm
mm
mm
mm
mm
2
Finish
L1
v v v v
1
4
4
v v v v
3
L2
@@FRM 1@@
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.)/
rated Current (each wdg.)
Sättigungsstrom (je Wicklg.) /
saturation current (each wdg.)
Eigenres.-Frequenz /
self-res.-fequency
Nennspannung /
rated voltage
Testbedingungen /
test conditions
1 kHz / 0,25V
Wert / value
Einheit / unit
tol.
C
Lötpad / soldering spec.:
[ mm ]
0,8
L
1,
L
2
R
DC1,2
R
DC1,2
8,2
0,091
0,110
1,70
2,90
17
80
µH
W
W
A
A
MHz
V
±20%
typ.
max.
3,1
2,2
DT
= 40 K
DL/L
= -10%
I
N1,
I
N2
I
sat
SRF
U
DC
max.
2,2
typ.
typ.
max.
1,0
D
Prüfgeräte / test equipment:
HP 4274 A
für/for L und/and Q
HP 34401 A
für/for I
DC
und/and R
DC
E
Testbedingungen / test conditions:
Luftfeuchtigkeit / humidity:
Umgebungstemperatur / temperature:
33%
+20°C
F
Werkstoffe & Zulassungen / material & approvals:
Basismaterial / base material:
Draht / wire:
Ferrit/ ferrite
2 SFBW; 155°C
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.
Kunde / customer
Freigabe erteilt / general release:
..................................................................................
..................................................................................
Datum / date
Unterschrift / signature
Würth Elektronik
..................................................
SVS
Name
Version 1
Änderung / modification
11-04-20
...............................................
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
SEITE 1 VON 3

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