7491181012 WUERTH ELEKTRONIK, 7491181012 Datasheet
7491181012
Manufacturer Part Number
7491181012
Description
TRANSFORMER, WE-UNIT E13/7/4
Manufacturer
WUERTH ELEKTRONIK
Datasheet
1.7491181012.pdf
(2 pages)
Specifications of 7491181012
Transformer Type
Off Line
Output Voltage
12V
Power Rating
3W
Inductance
2.8mH
Leakage Inductance
220µH
Supply Voltage Ac Max
265V
Supply Voltage Ac Min
85V
Turns Ratio
8.1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Induktivität /
inductance
Windungszahlverhältnis /
turns ratio
DC-Widerstand W1 /
DC-resistance W1
DC-Widerstand W2 /
DC-resistance W2
Streuinduktivität /
leakage inductance
Hochspannung /
hipot test
Freigabe erteilt / general release:
..................................................................................
...............................................
Kunde / customer :
Artikelnummer / part number :
Bezeichnung :
description :
Eigenschaften / properties
A
B
D
F
WK3260B für / for L und / and R
Basismaterial / base material:
Spulenkörper / Bobbin:
Draht / wire:
Kontaktmaterial / contact plating:
Tränklack / Varnish:
Mechanische Abmessungen / dimensions :
Prüfgeräte / test equipment :
Werkstoffe & Zulassungen / material & approvals :
Elektrische Eigenschaften / electrical properties :
= Marking Pin 1
Geprüft / checked
D
Datum / date
D-74638 Waldenburg · Max-Eyth-Straße 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
A
Netzteil-Übertrager WE-UNIT
Off-line transformer WE-UNIT
Spezifikation für Freigabe / specification for release
Testbedingungen /
test conditions
10 kHz / 0,1 V
10 kHz / 0,1V
W1 => W2
W1 : W2
W2 kurz
3mA, 1s
@ 20°C
@ 20°C
Würth Elektronik eiSos GmbH & Co.KG
Ferrit/ ferrite
UL-V0
2UEW-F 155°C / TRW(B)
Cu-Ni-Sn
V1630FS or equiv.
7491181012
R
R
TR
HV
L
L
DC1
DC2
0
s
3
1
..................................................................................
..................................................
http://www.we-online.com
Kunde / customer
Würth Elektronik
Wert / value
C
8,1 : 1
Unterschrift / signature
Kontrolliert / approved
11,0
290
220
2,8
4,0
4
6
Sq 0,5
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.
Schaltfrequenz / Switching frequency: 132 kHz
Luftfeuchtigkeit / humidity:
Umgebungstemperatur / temperature:
mH
mΩ
Testbedingungen / test conditions :
µH
kV
Eigenschaften / general specifications :
Bauteil für Netzanwendung / Off-line transformer
Ω
±10%
max.
max.
max.
Name
±3%
tol.
TBr
C
D
A
B
C
Änderung / modification
Lötpad / soldering spec. :
16,8 max.
15,0 max.
11,0 max.
3,5 ± 0,5
EF12.6
Version 1
DATUM / DATE : 2006-07-31
3,81
SEITE 1 VON 2
Datum / date
ø1,0
2006-07-31
+20°C
mm
mm
mm
mm
33%
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7491181012 Summary of contents
Page 1
... Spulenkörper / Bobbin: Draht / wire: Kontaktmaterial / contact plating: Tränklack / Varnish: 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 7491181012 0 Wert / value Einheit / unit L ...
Page 2
... 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 7491181012 4 W1 ...