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744870002

Description
General Purpose Inductor, 2.4uH, 30%, 1 Element, Ferrite-Core, SMD, 4949, CHIP, 4949, ROHS COMPLIANT
CategoryPassive components    inductor   
File Size86KB,3 Pages
ManufacturerWurth Elektronik
Environmental Compliance
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744870002 Overview

General Purpose Inductor, 2.4uH, 30%, 1 Element, Ferrite-Core, SMD, 4949, CHIP, 4949, ROHS COMPLIANT

744870002 Parametric

Parameter NameAttribute value
Brand NameWurth Electronik
Is it Rohs certified?conform to
MakerWurth Elektronik
package instruction4949
Reach Compliance Codecompliant
ECCN codeEAR99
Samacsys DescriptionSMD-Shielded Coupled Inductor WE-DD
uppercase and lowercase codes4949
core materialFERRITE
DC Resistance0.018 Ω
Nominal inductance(L)2.4 µH
Inductor ApplicationsPOWER INDUCTOR
Inductor typeGENERAL PURPOSE INDUCTOR
Number of functions1
Number of terminals2
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Maximum rated current7.8 A
self resonant frequency40 MHz
Shape/Size DescriptionRECTANGULAR PACKAGE
shieldNO
surface mountYES
Terminal locationDUAL ENDED
Terminal shapeWRAPAROUND
Test frequency0.1 MHz
Tolerance30%
Base Number Matches1
Spezifikation für Freigabe / specification for release
Kunde / customer
:
Artikelnummer / part number
:
Bezeichnung :
description :
744870002
DOPPELDROSSEL WE-DD
POWER-CHOKE WE-DD
DATUM / DATE : 2009-08-01
A
Mechanische Abmessungen / dimensions:
Typ XL
A
B
1
D
C
2
A
B
C
D
E
12,5 max.
8,5 max.
1,5 ± 0,2
4,9 ± 0,2
7,3 ± 0,5
1
Start
2
3
Finish
4
mm
mm
mm
mm
mm
L1
A
E
L2
4
3
@@FR 1@@
M
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
100 kHz / 0,25V
@ 20°C
@ 20°C
ΔT
= 40 K
ΔL/Lo
= -10%
Wert / value
Einheit / unit
tol.
±30%
C
Lötpad / soldering spec.:
1,0
[ mm ]
L
1,
L
2
R
DC1,2 typ
R
DC1,2 max
I
N1,
I
N2
I
sat
SRF
U
DC
2,4
0,014
0,018
7,80
15,00
40,00
80,0
µH
Ω
Ω
A
A
MHz
V
3,85
typ.
max.
max.
typ.
typ.
max.
3,85
13,8
6,1
2,5
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:
Betriebstemp. / 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
09-08-14
...............................................
Geprüft / checked
Kontrolliert / approved
Datum / date
Würth Elektronik eiSos GmbH & Co. KG
D-74638 Waldenburg · Max-Eyth-Strasse 1 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
http://www.we-online.de
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