Spezifikation für Freigabe / specification for release
Kunde / customer:
Artikelnummer / part number:
LF
744764003
RoHS compliant
SMD-HF-Entstördrossel WE-GF
SMD-RF-Choke WE-GF
Bezeichnung :
description :
DATUM / DATE : 2004-10-11
Typ / Type M
A Mechanische Abmessungen / dimensions :
A
B
C
D
E
F
2,9 ± 0,2
3,2 ± 0,4
2,2 ± 0,2
0,6 ref.
2,5 ± 0,2
1,0
mm
mm
mm
mm
mm
mm
F
E
A
D
D
B
@@FRM 1@@
B Elektrische Eigenschaften / electrical properties :
C Lötpad / soldering spec.:
Eigenschaften /
Testbedingungen /
Wert / value
0,39
30
Einheit / unit tol.
[mm]
Induktivität /
25,2 MHz
±10%
L
Q
µH
inductance
Güte Q /
25,2 MHz
min.
max.
max.
typ.
Q factor
DC-Widerstand /
DC-resistance
Nennstrom /
RDC
IDC
0,45
450
Ω
1,2
2,0
1,2
mA
MHz
rated current
Eigenres.-Frequenz /
self-res.-fequency
SRF
250
D Prüfgeräte / test equipment :
HP 4291 Bfür/for L und/and Q
E Testbedingungen / test conditions :
Luftfeuchtigkeit / humidity:
33%
HP 4338 Bfür/for RDC
Umgebungstemperatur / temperature:
+20°C
HP 4284 Afür/for IDC
HP 8722 Dfür/for SRF
F Werkstoffe & Zulassungen / material & approvals :
G Eigenschaften / general specifications :
Basismaterial / base material:
Anschlusspad/ Terminal
Gehäuse/ Housing
Ferrit / ferrite
Betriebstemp. / operating temperature: -40°C - + 105°C
Umgebungstemp. / ambient temperature: -40°C - + 85°C
It is recommended that the temperature of the part does
not exceed 105°C under worst case operating conditions.
Cu/Sn
UL94-V0
Kunde / customer
Freigabe erteilt / general release:
..........................................................................
..................................................................................
Unterschrift / signature
Datum / date
MST
SST
MST
Version 4
Version 3
Version 2
04-10-11
03-05-20
02-03-27
Würth Elektronik
..........................................................................
..................................................................................
JH
Version 1
00-12-06
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
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 electro
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
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