ALC2012 & ALC2012H Common Mode Filters

TDK ALC2012 and ALC2012H Common Mode Filters are downsized wound-type chip common mode filters for Ethernet applications. The filters feature a suppressed differential mode impedance range, which means there is virtually no effect on high-speed signals. The ALC2012 series is ideal for high-speed and general differential signal lines. The ALC2012H series is for ultra-high-speed differential signal lines. TDK ALC2012 and ALC2012H Common Mode Filters are RoHS compliant and operate within a -40°C to +85°C temperature range.

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Description Datasheet Availability Pricing (PEN) 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
Impedance
Maximum DC Current
Maximum DC Resistance
Minimum Operating Temperature
Maximum Operating Temperature
Package / Case
Length
Width
Height
Packaging
Product
Type
TDK Common Mode Chokes / Filters 220mA 50VDC 360Ohms, CMF, ETHERNET LINES
Datasheet
10,630In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCB Mount 1 Channel ALC SMD/SMT 360 Ohms 220 mA 500 mOhms - 40 C + 85 C 0805 (2012 metric) 2 mm 1.2 mm 1.2 mm Reel, Cut Tape, MouseReel Common Mode Filters Signal Line Common Mode Choke/Filter
TDK Common Mode Chokes / Filters 400mA 50VDC 90Ohms, CMF, ETHERNET LINES
Datasheet
19,687In Stock
70,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCB Mount 1 Channel ALC SMD/SMT 90 Ohms 400 mA 190 mOhms - 40 C + 85 C 0805 (2012 metric) 2 mm 1.2 mm 1.2 mm Reel, Cut Tape, MouseReel Common Mode Filters Signal Line Common Mode Choke/Filter
TDK Common Mode Chokes / Filters 300mA 20VDC 380Ohms, CMF, 5G ETHERNET
Datasheet
5,800Expected 8/5/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCB Mount 1 Channel ALC-H SMD/SMT 380 Ohms 300 mA 500 mOhms - 40 C + 85 C 0805 (2012 metric) 2 mm 1.2 mm 1.2 mm Reel, Cut Tape, MouseReel Common Mode Filters Signal Line Common Mode Choke/Filter
TDK Common Mode Chokes / Filters 300mA 20VDC 90Ohms, CMF, 10G ETHERNET
Datasheet
3,750Expected 10/27/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCB Mount 1 Channel ALC-H SMD/SMT 90 Ohms 300 mA 300 mOhms - 40 C + 85 C 0805 (2012 metric) 2 mm 1.2 mm 1.2 mm Reel, Cut Tape, MouseReel Common Mode Filters Signal Line Common Mode Choke/Filter