Wurth Elektronik
Product Details

Wurth WE-CNSW SMD Series Common Mode Chokes

Wurth WE-CNSW common mode filters offer high common mode suppression at high frequency and the winding symmetry provides small influence on high speed signals. Offered with a range of rated currents and impedance values, suitable applications for these common mode filters include USB 2.0, Firewire, LVDS, LAN, high speed data lines and common mode noise sources.

Reflow soldering recommended
Common mode EMI noise suppressed at high frequencies

Dimensions (mm)
Package A B C D E
0603 1.6 0.85 1.1 0.25 0.25
0805 2.0 1.2 1.2 0.45 0.40
1206 3.2 1.6 1.8 0.7 0.6
1812 4.5 3.2 2.8 1.0 1.2

Current compensated data line filter
High common mode noise suppression at high frequencies
Small influence on high speed signals through winding symmetry
Climatic category 40/105/21 (Size 0603)
Climatic category 40/125/21 (Size 0805/1206/1812)
Flammability corresponding to UL 94 V-0
USB 2.0
IEEE 1394 (Firewire)
High Speed Data Lines

Wurth SMD Common Mode Chokes

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Maximum DC Current370mA
Dimensions2 x 1.2 x 1.2mm
Maximum DC Resistance300mΩ
Core MaterialFerrite
Maximum Operating Temperature+125°C
Inductor ConstructionDual
Minimum Operating Temperature-40°C
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Discontinued product
Wurth WE-CNSW SMD Series Type 0805 Wire-wound SMD Inductor with a Ferrite Core, ±25% Dual 370mA Idc
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Technical Reference
  • RS Components

    Statement of conformity

    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 500-2988
    Description Wurth WE-CNSW SMD Series Type 0805 Wire-wound SMD Inductor with a Ferrite Core, ±25% Dual 370mA Idc
    Manufacturer/Brand: Wurth Elektronik
    Mfr. Part No. 744231091
    The foregoing information relates to product sold on, or after, the date shown below.
    Date Nov 23, 2017
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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