Common Mode Chokes for Low Voltage & Data Lines

Würth Elektronik Low Voltage and Data Line Common Mode Chokes encompass a wide range of common-mode filters with an SMT design. In bifilar and sectional winding styles, the chokes can operate from kHz up to GHz in different inductance ranges to cover a wide variety of applications. The WE-CMDC, WE-SL2, and WE-CNSW families are AEC-Q200 qualified.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Number of Channels
Series
Termination Style
Inductance
Impedance
Tolerance
Maximum DC Current
Maximum DC Resistance
Minimum Operating Temperature
Maximum Operating Temperature
Package/Case
Length
Width
Height
Qualification
Packaging
Product
Type
Wurth Elektronik Common Mode Chokes / Filters WE-SL2 SMD Sectional 2x40uH 900mA
Datasheet
2,000Expected 2026/03/13
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

PCB Mount 1 Channel WE-SL2 SMD/SMT 40 uH 3.1 kOhms 30 % 900 mA 250 mOhms - 40 C + 125 C 9.2 mm 6 mm 5 mm AEC-Q200 Reel, Cut Tape, MouseReel Common Mode Line Filters SMD Common Mode Line Filter
Wurth Elektronik Common Mode Chokes / Filters WE-CNSW 1210 200mA 100uH AEC-Q200
Datasheet
1,155Expected 2026/03/06
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,200

PCB Mount WE-CNSW SMD/SMT 100 uH 5.5 kOhms 50 % 0.2 A 3 Ohms - 40 C + 85 C 1210 (3225 metric) 3.2 mm 2.5 mm 2.4 mm AEC-Q200 Reel, Cut Tape, MouseReel Common Mode Line Filter
Wurth Elektronik Common Mode Chokes / Filters WE-UCF SMD Sectional 2x68mH 10kHz 0.2A
Datasheet
N/A
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

PCB Mount 1 Channel WE-UCF SMD/SMT 68 mH 30 % 200 mA 5 Ohms - 40 C + 125 C 14 mm 12.5 mm 7.8 mm Reel, Cut Tape, MouseReel Common Mode Line Filters Line Filter