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74489440018

Description
coupled inductors inductor coupled sepic/cuk 1.8uh
CategoryPassive components   
File Size237KB,3 Pages
ManufacturerAll Sensors
Environmental Compliance  
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coupled inductors inductor coupled sepic/cuk 1.8uh

74489440018 Parametric

Parameter NameAttribute value
ManufactureWurth Electronics
Product CategoryCoupled Inductors
RoHSYes
Inductance - Parallel1.8 uH
Inductance - Series1.8 uH
Tolerance30 %
Maximum DC Curre2.85 A
Maximum DC Resistance31 mOhms
Operating Temperature Range- 40 C to + 125 C
Case Heigh3.8 mm
Case Length8 mm
Case Width8 mm
Core MaterialNiZ
Dimensions8 mm W x 8 mm L x 3.8 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 :
74489440018
SPEICHERDROSSEL WE-TDC 8038
COUPLED INDUCTOR WE-TDC 8038
DATUM / DATE : 2010-08-31
A
Mechanische Abmessungen / dimensions:
A
C
E
D
F
1
Marking
B
4
3
2
8038
A
B
C
D
E
F
1
Start
3
8,0 ± 0,3
8,0 ± 0,3
3,8 ± 0,3
3,2 typ.
2,4 typ.
1,0 typ.
4
Finish
2
L2
L1
mm
mm
mm
mm
mm
mm
start of winding
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 /
self-res.-fequency
Nennspannung /
rated Voltage
(1)
C
Lötpad / soldering spec.:
Wert / value
Einheit / unit
tol.
+/-30%
typ.
max.
typ.
typ.
typ.
max.
2
3
1,4
1
4
6,2
3,6
Testbedingungen /
test conditions
100 kHz / 5mA
@ 20°
C
@ 20°
C
T = 40 K
L/L < 10%
[mm]
L
1,
L
2
R
DC1,2 typ
R
DC1,2 max
I
N1,
I
N2
I
sat
SRF
U
DC
1,8
25,5
31
2,85
5,8
60
80
µH
mΩ
mΩ
A
A
MHz
V
Stromfluss durch beide Wicklungen verursacht
∆T
/
both windings driven by rated current will occur
∆T
D
Prüfgeräte / test equipment:
WAYNE KERR 3260B
für/for L
0
; I
SAT
Agilent N5776A
für/for I
DC;
GMC Metrahit 27I
für/for R
DC
Agilent 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:
Endoberfläche / finishing electrode:
Ferrit/ ferrite
Class H
Ag/Ni/Sn
G
Eigenschaften / general specifications:
Betriebstemp. / operating temperature: -40° - +125°
C
C
Umgebungstemp. / ambient temperature: -40° - +85°
C
C
It is recommended that the temperature of the part does
not exceed 125° under worst case operating conditions.
C
Freigabe erteilt / general release:
Kunde / customer
..................................................................................
..................................................................................
Datum / date
Unterschrift / signature
Würth Elektronik
............................................
ALa
Name
Version 1
Änderung / modification
10-08-31
...............................................
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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