Dimensions: [mm] Recommended Land Pattern: [mm] Electrical Properties:
Properties Test conditions Value Unit Tol.
Inductance 100 kHz/ 1 V L 470 H 20%
Rated Current T = 40 K I 0.25 A max.
R
Saturation Current |L/L| < 30 % I 0.14 A typ.
SAT
DC Resistance @ 20 C R 4150 m 20%
DC
Self Resonant Frequency f 4.7 MHz typ.
res
1,55 1,5
4,0 0,2
Scale - 7:1
Schematic:
General Information:
It is recommended that the temperature of the component does not exceed +125 C under worst
case conditions
Ambient Temperature (refering to
-40 C up to +85 C
I )
R
Operating Temperature -40 C up to +125 C
Storage Conditions (in original
< 40 C ; < 75 % RH
packaging)
Moisture Sensitive Level (MSL) 1
Test conditions of Electrical Properties: +20 C, 33 % RH if not specified differently
Scale - 7:1
Product Marking:
Marking 471 (Inductance Code)
CREATED CHECKED GENERAL TOLERANCE PROJECTION
Wrth Elektronik eiSos GmbH & Co. KG
METHOD
EMC & Inductive Solutions KaS ChriB DIN ISO 2768-1m
Max-Eyth-Str. 1
DESCRIPTION
74638 Waldenburg
Germany
WE-LQS SMD Semi-Shielded
Tel. +49 (0) 79 42 945 - 0
ORDER CODE
Power Inductor
www.we-online.com
74404043471A
eiSos@we-online.com
SIZE REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE
001.001 Valid 2018-06-05 eiSos 1/6
4025
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 Wrth 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.. Wrth 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.
4,0 0,2 1,1 ref.
2,5 max.
3,6Typical Inductance vs. Current Characteristics: Typical Impedance Characteristics:
500.0
1000000
450.0
100000
400.0
350.0
10000
300.0
1000
250.0
200.0
100
150.0
10
100.0
50.0
1
0.1 1 10 100 1000
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 Frequency [MHz]
Current [A]
Z
CREATED CHECKED GENERAL TOLERANCE PROJECTION
Wrth Elektronik eiSos GmbH & Co. KG
METHOD
EMC & Inductive Solutions KaS ChriB DIN ISO 2768-1m
Max-Eyth-Str. 1
DESCRIPTION
74638 Waldenburg
Germany
WE-LQS SMD Semi-Shielded
Tel. +49 (0) 79 42 945 - 0
ORDER CODE
Power Inductor
www.we-online.com
74404043471A
eiSos@we-online.com
SIZE REVISION STATUS DATE (YYYY-MM-DD) BUSINESS UNIT PAGE
001.001 Valid 2018-06-05 eiSos 2/6
4025
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 Wrth 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.. Wrth 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.
Inductance [H]
Impedance [ ]