Data Sheet

Dimensions: [mm]
2,2 ±0,2
9,0 max.
3
2
1
4
0,150 -
10,0
2,0 u 0,2
2,5 u 0,2
11,5 max.
Scale - 2:1
Start of Winding •
Marking 470 (Inductance Code)
Product Marking:
Recommended Land Pattern: [mm]
2,0
8,0
4,0
12,0
1
4
3
2
Scale - 3:1
Schematic:
4
1
3
2
1
2
Properties Test conditions Value Unit Tol.
Inductance 1 100 kHz/ 100 mV L
1
47 µH ±20%
Inductance 2 100 kHz/ 100 mV L
2
47 µH ±20%
Rated Current 1 ΔT = 40 K I
R 1
2.3 A max.
Rated Current 2 ΔT = 40 K I
R 2
2.3 A max.
Saturation Current 1 |ΔL/L| < 30 % I
SAT 1
6 A typ.
Saturation Current 2 |ΔL/L| < 30 % I
SAT 2
6 A typ.
DC Resistance 1 @ 20 °C R
DC
216 mΩ typ.
DC Resistance 1 @ 20 °C R
DC
240 mΩ max.
DC Resistance 2 @ 20 °C R
DC
216 mΩ typ.
DC Resistance 2 @ 20 °C R
DC
240 mΩ max.
Self Resonant Frequency f
res
4.5 MHz typ.
Turns Ratio n 1:1
Rated Voltage U
R
60 V max.
Leakage Inductance L
S
0.37 µH typ.
Coupling Coefficient K 0.995 typ.
Electrical Properties:
It is recommended that the temperature of the component does not exceed +125°C under worst
case conditions
Ambient Temperature (refering to
I
R
)
-40 °C up to +85 °C
Operating Temperature -40 °C up to +125 °C
Storage Temperature (in original
packaging)
-20 °C up to +60 °C
Test conditions of Electrical Properties: +20°C, 33% RH if not specified differently
General Information:
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. [phone] - 0
www.we-online.com
[e-mail]
CREATED CHECKED GENERAL TOLERANCE PROJECTION
METHOD
KaS ArPa DIN ISO 2768-1m
DESCRIPTION
WE-MCRI SMD Molded Coupled
Inductor
ORDER CODE
7448990470
SIZE REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE
1090
001.000 Valid 2017-07-25 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.