概述
数据手册744878470 概述
POWER-CHOKE WE-DD POWER- CHOKE WE- DD
744878470 数据手册
通过下载744878470数据手册来全面了解它。这个PDF文档包含了所有必要的细节，如产品概述、功能特性、引脚定义、引脚排列图等信息。
PDF下载Spezifikation für Freigabe / specification for release
Kunde / customer :
LF
Artikelnummer / part number :
744878470
DOPPELDROSSEL WE-DD
POWER-CHOKE WE-DD
Bezeichnung :
description :
RoHS compliant
DATUM / DATE : 2005-05-23
Typ S
A Mechanische Abmessungen / dimensions :
D
C
A
B
C
D
E
F
7,3 ± 0,4
4,0 max.
1,0 ± 0,1
2,7 ± 0,1
4,0 ± 0,2
mm
mm
mm
mm
mm
mm
A
B
2
3
A
E
2
L1
1
Start
4
Finish
3
L2
1
4
@@FRM 1@@
B Elektrische Eigenschaften / electrical properties :
C Lötpad / soldering spec.:
Testbedingungen /
[ mm ]
Eigenschaften / properties
Wert / value
47,0
0,600
0,750
0,90
1,00
8
Einheit / unit
tol.
test conditions
1 kHz / 0,25V
0,8
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 /
L1,L2
RDC1,2
RDC1,2
±20%
typ.
µH
Ω
@ 20°
@ 20°
2,2
3,1
max.
max.
max.
typ.
Ω
IN1, N2
I
∆T = 40 K
|∆L/L|<10%
A
2,2
Isat
A
SRF
UDC
MHz
V
1,0
self-res.-fequency
Nennspannung /
max.
80
rated voltage
D Prüfgeräte / test equipment :
HP 4274 A für/for L und/and Q
E Testbedingungen / test conditions :
Luftfeuchtigkeit / humidity:
33%
HP 34401 A für/for IDC und/and RDC
Umgebungstemperatur / temperature:
+20°C
F Werkstoffe & Zulassungen / material & approvals :
G Eigenschaften / general specifications :
Basismaterial / base material:
Ferrit/ ferrite
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.
Draht / wire:
2 SFBW; 155°C
Kunde / customer
Freigabe erteilt / general release:
..................................................................................
..................................................................................
Unterschrift / signature
Datum / date
Würth Elektronik
SST
Version 7
05-05-23
SST
SST
Version 6
Version 1
05-03-29
05-02-23
Geprüft / checked
Kontrolliert / approved
Name
Änderung / modification
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
Spezifikation für Freigabe / specification for release
Kunde / customer :
Artikelnummer / part number :
744878470
LF
DOPPELDROSSEL WE-DD
POWER-CHOKE WE-DD
Bezeichnung :
description :
RoHS compliant
DATUM / DATE : 2005-05-23
H Induktivitätskurve / Inductance curve:
Induktivität vs Strom (typ.) /
Inductance vs Current (typ.)
50,00
45,00
40,00
35,00
30,00
25,00
20,00
15,00
10,00
5,00
0,00
0,0
0,5
1,0
1,5
2,0
2,5
Current (A)
Kunde / customer
Freigabe erteilt / general release:
..................................................................................
..................................................................................
Unterschrift / signature
Datum / date
Würth Elektronik
SST
Version 7
05-05-23
SST
SST
Version 6
Version 1
05-03-29
05-02-23
Geprüft / checked
Kontrolliert / approved
Name
Änderung / modification
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 2 VON 3
Spezifikation für Freigabe / specification for release
Kunde / customer :
Artikelnummer / part number :
744878470
LF
DOPPELDROSSEL WE-DD
POWER-CHOKE WE-DD
Bezeichnung :
description :
RoHS compliant
DATUM / DATE : 2005-05-23
Gurtspezifikation / Tape specification:
I Rollenspezifikation / tape and reel specification:
± 0,1
A
B
C
9,00
16,0
1,50
mm
mm
mm
± 0,2
+ 0,1
- 0,0
E
øC
D
± 0,1
± 0,1
± 0,1
± 0,1
D
E
F
4,00
2,00
9,00
3,50
mm
mm
mm
mm
B
G
A
F
G
Rollenspezifikation / Reel specification:
a
b
c
d
330,0 ± 2,0
21,00 ± 0,8
13,00 ± 0,5
100,0 ± 1,0
mm
mm
mm
mm
a
d
b
Ø c
150°
The force for tearing off cover tape is
20 to 70 grams in arrow direction
feeding direction
Kunde / customer
Freigabe erteilt / general release:
..................................................................................
..................................................................................
Unterschrift / signature
Datum / date
Würth Elektronik
SST
Version 7
05-05-23
SST
SST
Version 6
Version 1
05-03-29
05-02-23
Geprüft / checked
Kontrolliert / approved
Name
Änderung / modification
Datum / date
This electronic component is designed and developed with the intention for use in general electronics equipments. Before incorporating the components into any equipments in the field such
as aerospace, aviation, nuclear control, submarine, transportation, (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information
network etc. where higher safety and reliability are especially required or if there is possibility of direct damage or injury to human body. In addition, even electronic component in general
electronic equipments, when used in electrical circuits that require high safety, reliability functions or performance, the sufficient reliability evaluation-check for the safety must be performed
before use. It is essential to give consideration when to install a protective circuit at the design stage
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 3 VON 3
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