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744045821_17 Datasheet, PDF (1/6 Pages) Wurth Elektronik GmbH & Co. KG, Germany. – WE-LQ SMD Inductor
A
A
1,6 ref.
1,3 ref.
3,6 ±0,3
1,6 ref.
3,2 ±0,3
Recommended Land Pattern: [mm]
5,4 ref.
1,4 ref.
2 ref.
Electrical Properties:
Properties
Inductance
Rated Current
Saturation Current
DC Resistance
Self Resonant Frequency
Q-factor
Test conditions
1 MHz/ 100 mV L
ΔT = 40 K
IR
|ΔL/L| < 10 %
ISAT
@ 20 °C
RDC
fres
1 MHz/ 100 mV Q
Value
820
0.085
0.15
20
2
50
Unit Tol.
µH ±10
A max.
A typ.
Ω max.
MHz typ.
ref.
Scale - 5:1
4,5 ±0,3
Schematic:
sectional drawing A-A
Scale - 5:1
General Properties:
It is recommended that the temperature of the component does not exceed +125°C under worst
case conditions
Ambient Temperature (refering to
IR)
Operating Temperature
-40 °C up to +85 °C
-40 °C up to +125 °C
Storage Temperature (in original
packaging)
-20 °C up to +40 °C
Test conditions of Electrical Properties: +20°C, 33% RH if not specified differently
Product Marking:
Marking
821 (Inductance Code)
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
JRS
GENERAL TOLERANCE
DIN ISO 2768-1m
PROJECTION
METHOD
DESCRIPTION
WE-LQ SMD Inductor
SIZE
1812
REVISION
004.000
STATUS
Valid
ORDER CODE
744045821
DATE (YYYY-MM-DD)
BUSINESS UNIT
PAGE
2016-12-20
eiSos
1/6
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.