744871470 Wurth Electronics Inc, 744871470 Datasheet
744871470
Manufacturer Part Number
744871470
Description
COUPLED INDUCTOR SEPIC/CUK 47UH
Manufacturer
Wurth Electronics Inc
Series
WE-DDr
Datasheet
1.744871470.pdf
(3 pages)
Specifications of 744871470
Inductance Per Coil
47µH
Number Of Coils
2
Current
1.1A
Tolerance
±20%
Inductance - Connected In Series
188µH
Inductance - Connected In Parallel
47µH
Dc Resistance (dcr)
180.0 mOhm Max
Package / Case
0.492" L x 0.492" W x 0.256" H (12.50mm x 12.50mm x 6.50mm)
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
732-2320-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
744871470
Manufacturer:
WURTH/伍尔特
Quantity:
20 000
..................................................................................
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:
...............................................
A
B
D
F
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
A
Datum / date
D-74638 Waldenburg · Max-Eyth-Strasse 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
DC
und/and R
Spezifikation für Freigabe / specification for release
A
DOPPELDROSSEL WE-DD
POWER-CHOKE WE-DD
Testbedingungen /
DC
test conditions
∆L/Lo = -10%
1 kHz / 0,25V
∆T = 40 K
B
Würth Elektronik eiSos GmbH & Co.KG
744871470
Ferrit/ ferrite
2 SFBW; 155°C
R
R
DC1,2 max
I
DC1,2 typ
L
SRF
N1,
U
I
1,
sat
DC
L
I
N2
2
..................................................................................
............................................
http://www.we-online.com
Kunde / customer
1
Würth Elektronik
4
Wert / value
0,145
0,180
Unterschrift / signature
Kontrolliert / approved
47,0
1,10
2,40
80
D
C
5
2
3
LF
Einheit / unit
E
G
Betriebstemperatur / operating temperature: -40°C - + 125°C
Umgebungstemp. / ambient temperature:
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:
Eigenschaften / general specifications:
µH
E
Ω
Ω
A
A
V
RoHS
±20%
max.
max.
max.
Name
typ.
typ.
typ.
SST
MST
SST
SST
tol.
compliant
A
B
C
D
E
1
Start
2
13,8
C
Änderung / modification
3,85
3,85
Lötpad / soldering spec.:
12,5 max.
6,1
1,5 ± 0,2
4,9 ± 0,2
7,3 ± 0,5
6,5 max
Version 5
Version 4
Version 3
Version 1
Typ L
DATUM / DATE : 2005-03-29
-40°C - + 85°C
Finish
2,5
1,0
3
4
SEITE 1 VON 3
Datum / date
L1
L2
+20°C
05-03-29
04-10-11
04-03-09
03-11-13
mm
mm
mm
mm
mm
33%
[ mm ]
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744871470 Summary of contents
Page 1
... F 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 744871470 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 744871470 LF RoHS Induktivität vs Strom (typ.) / Inductance vs Current (typ.) 1,0 1,5 2,0 2,5 ...
Page 3
... It is essential to give consideration when to install a protective circuit at the design stage. D-74638 Waldenburg · Max-Eyth-Strasse · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744871470 LF RoHS ...