English
Language : 

74485540680 Datasheet, PDF (1/5 Pages) Wurth Elektronik GmbH & Co. KG, Germany. – WE-CFWI Coupled Flatwire Inductor
Dimensions: [mm]
2
3
1
4
3,2 ref.
15,5 max.
13,2 ±0,3
Glue
Recommended Land Pattern: [mm]
1
4
2
3
5,7 5,0
no vias and traces in restricted area
Scale - 2:1
Electrical Properties:
Properties
Test conditions
Inductance
100 kHz/ 1 mA
L1
Inductance
Rated Current 1)
100 kHz/ 1 mA
L2
ΔT = 50 K
IR 1
Rated Current
ΔT = 50 K
IR 2
Saturation Current 2)
|ΔL/L| < 30 %
ISAT 1
Saturation Current
|ΔL/L| < 30 %
ISAT 2
DC Resistance 1
@ 20°C
RDC
DC Resistance 2
@ 20°C
RDC
Turns Ratio
n
Rated Voltage
UR
1)
2)
related
related
to
to
LL11,,
Current
Current
driven
driven
through
through
one
one
coil
coil
only
only
at
at
a
a
time
time
Value
6.8
6.8
14
14
16
16
11.3
11.3
1:1
80
Unit Tol.
µH ±20%
µH ±20%
A max.
A max.
A typ.
A typ.
mΩ ±10%
mΩ ±10%
V (DC) max.
Schematic:
11
22
General Information:
It is recommeded that the temperature of the component does not exceed +150°C under worst
case conditions
Operating Temperature TOP
4
Storage Temperature (in
original packaging)
TS
-40 °C up to +150 °C
-20 °C up to +40 °C
3
Ambient Temperature
(refering to IR)
TA
-40 °C up to +100 °C
Test conditions of Electrical Properties: 20°C, 33% RH if not specified differently
Scale - 2:1
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
CREATED
KaS
CHECKED
TBr
GENERAL TOLERANCE
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
WE-CFWI Coupled Flatwire
Inductor
SIZE
1312
REVISION
001.000
STATUS
Valid
ORDER CODE
74485540680
DATE
BUSINESS UNIT
PAGE
2016-11-02
eiSos
1/5
This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use. Moreover Würth Elektronik eiSos GmbH
& Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage 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.