Common Mode Chokes

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Filter Type	Number of Lines	Impedance @ Frequency	Current Rating (Max)	DC Resistance (DCR) (Max)	Voltage Rating - DC	Voltage Rating - AC	Operating Temperature	Ratings	Approval Agency	Features	Mounting Type	Size / Dimension	Height (Max)	Package / Case
ACM2012-900-2P-T002 CMC 400MA 2LN 90 OHM SMD TDK Corporation	151,645 In Stock	1 : $0.55000 Cut Tape (CT) 2,000 : $0.25940 Tape & Reel (TR)	ACM	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Not For New Designs	Signal Line	2	90 Ohms @ 100 MHz	400mA	190mOhm	50V	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.079" L x 0.047" W (2.00mm x 1.20mm)	0.051" (1.30mm)	Horizontal, 4 PC Pad
EXC-24CH900U CMC 130MA 2LN 90 OHM SMD Panasonic Electronic Components	2,112 In Stock	1 : $0.70000 Cut Tape (CT) 5,000 : $0.27410 Tape & Reel (TR)	EXC24	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Signal Line	2	90 Ohms @ 100 MHz	130mA	2.5Ohm	5V	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.049" L x 0.039" W (1.25mm x 1.00mm)	0.024" (0.60mm)	0504 (1210 Metric)
CM3421Y600R-10 CMC 15A 2LN 60 OHM SMD Laird-Signal Integrity Products	158,349 In Stock	1 : $1.42000 Cut Tape (CT) 2,000 : $0.61793 Tape & Reel (TR)	CM	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Power Line	2	60 Ohms @ 100 MHz	15A	0.75mOhm	140V	-	-40°C ~ 125°C	-	-	-	Surface Mount	0.376" L x 0.220" W (9.55mm x 5.60mm)	0.150" (3.80mm)	3822 (8531 Metric), 4 Lead
NFG0QHB372HS2D CMC 100MA 2LN 9 OHM SMD Murata Electronics	32,261 In Stock	1 : $0.34000 Cut Tape (CT) 15,000 : $0.11645 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Signal Line	2	9 Ohms @ 100 MHz	100mA	2.375Ohm	5V	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.026" L x 0.020" W (0.65mm x 0.50mm)	0.014" (0.35mm)	0202 (0505 Metric), 4 PC Pad

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A common mode choke is an electrical filter that blocks high frequency noise common to two or more data or power lines while allowing the desired DC or low-frequency signal to pass. Common mode (CM) noise current is typically radiated from sources such as unwanted radio signals, unshielded electronics, inverters and motors. Left unfiltered, this noise presents interference problems in electronics and electrical circuits.