Data Sheet

Dimensions: [mm]
6,3
u
0,3
2,0 u 0,3
8,0 u 0,3
6,5 max.
8,0
u
0,3
Scale - 3:1
Start of Winding •
Marking 681 (Inductance Code)
Product Marking:
Recommended Land Pattern: [mm]
2,4
7,5
3,8
Scale - 3:1
Schematic:
Properties Test conditions Value Unit Tol.
Inductance 100 kHz/ 1 V L 680 µH ±20%
Rated Current ΔT = 40 K I
R
0.53 A max.
Saturation Current |ΔL/L| < 30 % I
SAT
1 A typ.
DC Resistance @ 20 °C R
DC
1650 mΩ ±20%
Self Resonant Frequency f
res
1.6 MHz 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
Storage Conditions (in original
packaging)
< 40 °C ; < 75 % RH
Moisture Sensitive Level (MSL) 1
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 ChriB DIN ISO 2768-1m
DESCRIPTION
WE-LQS SMD Semi-Shielded
Power Inductor
ORDER CODE
74404086681
SIZE REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE
8065
001.001 Valid 2018-06-05 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.