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 (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
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Termination Style
Impedance
Maximum DC Current
Maximum DC Resistance
Minimum Operating Temperature
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Length
Width
Height
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TDK Common Mode Chokes / Filters 400mA 50VDC 90Ohms, CMF, ETHERNET LINES
Datasheet
27.199In Stock
70.000Expected 28/07/2026
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 220mA 50VDC 360Ohms, CMF, ETHERNET LINES
Datasheet
5.067In Stock
6.000Expected 20/07/2026
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 300mA 20VDC 380Ohms, CMF, 5G ETHERNET
Datasheet
9.917On Order
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
3.844Expected 27/10/2026
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