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7447798271 Datasheet PDF - Wurth

Part Number 7447798271
Description WE-PDF SMD Shielded Power Inductor
Manufacturers Wurth 
Logo Wurth Logo 

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A Dimensions: [mm]
B Recommended land pattern: [mm]
C Schematic:
D Electrical Properties:
Properties
Test conditions
Value Unit
Tol.
Inductance
100 kHz/ 5 mA
L
27 µH ±20%
Rated current
∆T = 40 K IR 4.3 A max.
Saturation current
|ΔL/L| < 10%
Isat
3.1
A
typ.
DC Resistance
@ 20°C
RDC 42.5 mΩ max.
DC Resistance
@ 20°C
RDC 37.6 mΩ typ.
Self resonant frequency
fres 15 MHz typ.
E General information:
It is recommended that the temperature of the part does not exceed 150°C
under worst case operating conditions.
•Ambient temperature: -40°C to +110°C (refering to IR)
•Operating temperature: -40°C to +150°C
•Storage temperature (on tape & reel): -20°C to +40°C; 75% RH max.
•Test conditions of Electrical Properties: 20°C, 33% RH
if not specified differently
DESCRIPTION
WE-PDF SMD Shielded Power Inductor
Würth Elektronik eiSos GmbH & Co. KG
2.3 2013-12-17 SSt
SSt EMC & Inductive Solutions
Max-Eyth-Str. 1
2.2 2013-04-25 SSt
SSt 74638 Waldenburg
2.1 2013-02-20 SSt
Germany
ALa Tel. +49 (0) 79 42 945 - 0
2.0 2011-08-30 SvS
- www.we-online.com
eiSos@we-online.com
REV DATE
BY CHECKED
Order.- No.
7447798271
Size: 1064
SIZE
A4
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.
Free Datasheet http://www.datasheet-pdf.com/

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7447798271 equivalent
I Cautions and Warnings:
The following conditions apply to all goods within the product series of WE-PDF
of Würth Elektronik eiSos GmbH & Co. KG:
General:
All recommendations according to the general technical specifications of the data-sheet have to be complied with.
The disposal and operation of the product within ambient conditions which probably alloy or harm the wire isolation has to be avoided.
If the product is potted in customer applications, the potting material might shrink during and after hardening. Accordingly to this the product
is exposed to the pressure of the potting material with the effect that the core, wire and termination is possibly damaged by this pressure and
so the electrical as well as the mechanical characteristics are endanger to be affected. After the potting material is cured, the core, wire and
termination of the product have to be checked if any reduced electrical or mechanical functions or destructions have occurred.
The responsibility for the applicability of customer specific products and use in a particular customer design is always within the authority of
the customer. All technical specifications for standard products do also apply for customer specific products.
Cleaning agents that are used to clean application might damage or change the characteristics of the component, body, pins or termination.
Direct mechanical impact to the product shall be prevented as the core material could flake or in the worst case it could break.
Product specific:
Follow all instructions mentioned in the datasheet, especially:
•The solder profile has to be complied with according to the technical reflow soldering specification, otherwise no warranty will be sustai-
ned.
•All products shall be used before the end of the period of 12 months based on the product date-code, if not a 100% solderability can´t be
warranted.
•Violation of the technical product specifications such as exceeding the nominal rated current will result in the loss of warranty.
DESCRIPTION
WE-PDF SMD Shielded Power Inductor
Würth Elektronik eiSos GmbH & Co. KG
2.3 2013-12-17 SSt
SSt EMC & Inductive Solutions
Max-Eyth-Str. 1
2.2 2013-04-25 SSt
SSt 74638 Waldenburg
2.1 2013-02-20 SSt
Germany
ALa Tel. +49 (0) 79 42 945 - 0
2.0 2011-08-30 SvS
- www.we-online.com
eiSos@we-online.com
REV DATE
BY CHECKED
Order.- No.
7447798271
Size: 1064
SIZE
A4
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.
Free Datasheet http://www.datasheet-pdf.com/


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