749196530 Wurth Electronics Inc, 749196530 Datasheet

TRANSFORMER 4.3UH 1.91A SMD

749196530

Manufacturer Part Number
749196530
Description
TRANSFORMER 4.3UH 1.91A SMD
Manufacturer
Wurth Electronics Inc
Series
WE-FLEXr
Type
Configurable (For DC/DC)r
Datasheet

Specifications of 749196530

Applications
Flyback Converters
Voltage - Isolation
500VDC
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Footprint
1.16" x 0.83" (29.5mm x 21.0mm)
Height Above Board
0.43" (10.8mm)
Package / Case
0.827" L x 1.161" W x 0.425" H (21.00mm x 29.50mm x 10.80mm)
Tolerance
±20%
Dc Resistance (dcr)
30.00 mOhm Max
Inductance Per Coil
4.3µH
Number Of Coils
6
Inductance - Connected In Series
154.8µH
Inductance - Connected In Parallel
4.3µH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
732-2451-2
..................................................................................
Induktivität /
inductance
Sättigungsstrom /
saturation current
Nennstrom /
rated current
DC-Widerstand /
DC-resistance
Spannungs-Zeit-Fläche /
Voltage-µsecond
Speicherenergie /
storage energy
Streuinduktivität /
leakage inductance
Hochspannungstest /
Hipot test
Freigabe erteilt / general release:
...............................................
Kunde / customer :
Artikelnummer / part number :
Bezeichnung :
description :
A
B
D
F
HP 4274 A für/for L und/and Q
HP 34401 A für/for I
Basismaterial / base material:
Spulenkörper / Bobbin
Draht / wire:
Kontaktmaterial/ contact plating
Eigenschaften /
Werkstoffe & Zulassungen / material & approvals :
Mechanische Abmessungen / dimensions :
Elektrische Eigenschaften / electrical properties :
Prüfgeräte / test equipment :
= Marking Pin 1
properties
Geprüft / checked
Datum / date
12
1
D-74638 Waldenburg · Max-Eyth-Straße 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
DC
A
und/and R
Spezifikation für Freigabe / specification for release
FLEX-ÜBERTRAGER WE-FLEX
FLEX-TRANSFORMER WE-FLEX
D
Testbedingungen /
6
7
test conditions
10 kHz / 1 V
|∆L/L|<10%
10 kHz / 1V
3mA / 1sec
∆T=40 K
DC
@ 20°C
Würth Elektronik eiSos GmbH & Co.KG
E
749196530
Ferrit/ ferrite
UL-V0
2UEW155
Cu-Ag tinned
R
I
I
rms base
L
peak base
L
sat base
DC base
∫Udt
s base
HV
E
base
...............................................................................
..................................................
http://www.we-online.com
Kunde / customer
Würth Elektronik
Wert / value
Unterschrift / signature
19,80
Kontrolliert / approved
2,91
1,91
30,0
65,6
0,18
500
4,3
LF
Einheit / unit
E
G
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.
Luftfeuchtigkeit / humidity:
Umgebungstemperatur / temperature:
µVs
mΩ
V
µH
µH
Testbedingungen / test conditions :
µJ
Eigenschaften / general specifications :
A
A
DC
±20%
max.
max.
Name
typ.
typ.
typ.
typ.
tol.
TBr
TBr
TBr
C
D
A
B
E
C
Änderung / modification
Lötpad / soldering spec. :
21,0 max
29,5 max
10,8 max
21,0 typ.
0,7 ± 0,1
EFD20
Version 3
Version 2
Version 1
2,25
DATUM / DATE : 2006-08-01
3,0
SEITE 1 VON 3
Datum / date
2006-08-01
2005-08-03
2005-01-19
+20°C
mm
mm
mm
mm
mm
33%

Related parts for 749196530

749196530 Summary of contents

Page 1

... Draht / wire: Kontaktmaterial/ contact plating 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 749196530 LF E Wert / value Einheit / unit L µH 4,3 base ...

Page 2

... H Schaltbild / Schematics 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 749196530 Kunde / customer ............................................................................... Unterschrift / signature Würth Elektronik .................................................. Kontrolliert / approved Würth Elektronik eiSos GmbH & Co.KG http://www ...

Page 3

... Würth Elektronik eiSos GmbH must be informed before the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance. D-74638 Waldenburg · Max-Eyth-Straß · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 749196530 LF K0 ...

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