744777122 Wurth Electronics Inc, 744777122 Datasheet
744777122
Manufacturer Part Number
744777122
Description
INDUCTOR POWER 22UH 1.41A SMD
Manufacturer
Wurth Electronics Inc
Series
WE-PDr
Datasheet
1.744777122.pdf
(3 pages)
Specifications of 744777122
Inductance
22µH
Current
1.41A
Current - Saturation
1.7A
Tolerance
±20%
Shielding
Shielded
Dc Resistance (dcr)
110 mOhm Max
Self Resonant Freq
15MHz
Package / Case
0.287" L x 0.287" W x 0.177" H (7.30mm x 7.30mm x 4.50mm)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Frequency - Test
1kHz
Material - Core
Ferrite
Applications
Line Regulation
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Q @ Freq
-
Current - Temperature Rise
-
Other names
732-1201-2
..............................................................................
...............................................
Kunde / customer :
Artikelnummer / part number :
Bezeichnung :
description :
Induktivität /
inductance
DC-Widerstand /
DC-resistance
DC-Widerstand /
DC-resistance
Nennstrom /
rated current
Sättigungsstrom /
saturation current
Eigenres.-Frequenz /
self-res.-fequency
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:
Endoberfläche / finishing electrode:
Anbindung an Elektrode / soldering wire to plating:
Draht / wire:
Eigenschaften /
Mechanische Abmessungen / dimensions :
= Start of winding
Elektrische Eigenschaften / electrical properties :
Prüfgeräte / test equipment :
Werkstoffe & Zulassungen / material & approvals :
properties
Geprüft / checked
Datum / date
Marking
A
D-74638 Waldenburg · Max-Eyth-Straße 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
DC
SPEICHERDROSSEL WE-PD
POWER-CHOKE WE-PD
und/and R
Spezifikation für Freigabe / specification for release
Testbedingungen /
test conditions
1 kHz / 0,25V
|∆L/L|<10%
∆T=40 K
DC
@ 20°C
@ 20°C
Marking = Inductance code
B
Würth Elektronik eiSos GmbH & Co.KG
Ferrit/ferrite
100% Sn
Sn/Ag/Cu - 96.5/3.0/0.5%
2SFBW 155°C
744777122
R
R
SRF
DC max
DC typ
I
I
DC
sat
L
http://www.we-online.com
Kunde / customer
........................................................................
..................................................
Würth Elektronik
Wert / value
0,0900
0,1100
Unterschrift / signature
Kontrolliert / approved
22,0
1,41
1,70
15,0
Einheit / unit
LF
E
G
Betriebstemp. / operating temperature:
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.
Luftfeuchtigkeit / humidity:
Umgebungstemperatur / temperature:
MHz
µH
Testbedingungen / test conditions :
Eigenschaften / general specifications :
C
Ω
Ω
A
A
RoHS
±20%
max.
max.
Name
typ.
typ.
typ.
MST
tol.
JH
A
B
C
compliant
C
Änderung / modification
Lötpad / soldering spec. :
7,3 ± 0,2
4,5 max.
2,0 ± 0,1
Typ M
Version 2
Version 1
DATUM / DATE : 2004-10-11
2,2
-40°C - + 125°C
1,6
1,6
4,8
SEITE 1 VON 3
Datum / date
+20°C
04-10-11
00-12-06
mm
mm
mm
33%
8,0
[mm]
@@FRM 1@@
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744777122 Summary of contents
Page 1
... Anbindung an Elektrode / soldering wire to plating: Draht / wire: Freigabe erteilt / general release: .............................................................................. Datum / date ............................................... Geprüft / checked D-74638 Waldenburg · Max-Eyth-Straß · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744777122 LF B Wert / value Einheit / unit L 22,0 R ...
Page 2
... Freigabe erteilt / general release: .............................................................................. Datum / date ............................................... Geprüft / checked D-74638 Waldenburg · Max-Eyth-Straß · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744777122 LF Induktivität vs Strom (typ.) / Inductance vs Current (typ.) 1,50 2,00 2,50 Current (A) Kunde / customer ...
Page 3
... It is essential to give consideration when to install a protective circuit at the design stage D-74638 Waldenburg · Max-Eyth-Straß · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 744777122 LF RoHS ...