Common Mode Filters / Chokes

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WE-CMB Common Mode Power Line Inductors (Chokes)

Würth Elektronik WE-CMB Common Mode Power Line Inductors (Chokes) feature a compact design that delivers high suppression of asymmetric interferences, even at low-frequency ranges. In addition, these inductors provide broadband screening due to a low capacitance winding technique. Würth Elektronik WE-CMB Common Mode, Power Line Inductors, are ideal for power electronics and suppressing common-mode noises. Parasitics can have a significant effect on the noise attenuation and current rating of a common mode filter. Würth designed the WE-CMB series for minimal parasitic effects over its useful frequency bandwidth so it does what it is designed to do - get rid of the noise.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Series	Termination Style	Inductance	Impedance	Tolerance	Maximum DC Current	Maximum DC Resistance	Self Resonant Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Package/Case	Length	Width	Height	Qualification	Packaging	Product	Type
Common Mode Chokes / Filters 250VAC 1.8A 4.4mH SS21V-R180044 KEMET 1: 2,01 € 400In Stock	Mfr. Part No. SS21V-R180044 Mouser Part No 80-SS21V-R180044	KEMET	Common Mode Chokes / Filters 250VAC 1.8A 4.4mH Learn More about KEMET electronics ss coils	Datasheet	400In Stock	2,01 € 1,68 € 1,46 € 1,18 € View 1,14 € 0,998 € 0,955 €	Min.: 1 Mult.: 1	Vertical Mount	SS21V	Through Hole	4.4 mH			1.8 A	200 mOhms		- 25 C	+ 120 C	Tray	20.6 mm	16.8 mm	24.5 mm		Tray	Common Mode Chokes	Line Filter
Common Mode Chokes / Filters 250V 1.8A 12.3mH SS26V-R180123 KEMET 1: 5,09 € 67In Stock	Mfr. Part No. SS26V-R180123 Mouser Part No 80-SS26V-R180123	KEMET	Common Mode Chokes / Filters 250V 1.8A 12.3mH Learn More about KEMET electronics ss coils	Datasheet	67In Stock	5,09 € 2,88 € 2,49 € 1,67 € View 1,63 € 1,52 € 1,26 €	Min.: 1 Mult.: 1	Vertical Mount	SS26V	Through Hole	12.3 mH			1.8 A	300 mOhms		- 25 C	+ 120 C	Tray	3.5 mm	20.5 mm	30.5 mm		Tray	Common Mode Chokes	Line Filter
Common Mode Chokes / Filters 250VAC 89mH 0.7A 20.9mm DCR=1.05mOhms SSR21NV-M07890 KEMET 1: 2,80 € 437In Stock	Mfr. Part No. SSR21NV-M07890 Mouser Part No 80-SSR21NV-M07890	KEMET	Common Mode Chokes / Filters 250VAC 89mH 0.7A 20.9mm DCR=1.05mOhms Learn More about KEMET electronics ss coils	Datasheet	437In Stock	2,80 € 2,39 € 2,18 € 1,37 € View 1,29 € 1,26 € 1,24 € 1,22 €	Min.: 1 Mult.: 1	PCB Mount	SSR21NV-M	Through Hole	89 mH			700 mA	1.05 Ohms		- 25 C	+ 120 C	Tray	3.5 mm	16 mm	27 mm		Tray	AC Line Filters
Common Mode Chokes / Filters CMC 800? 1A 2LN SMD ACMP-4528-801-T ABRACON 1: 0,611 € 399In Stock	Mfr. Part No. ACMP-4528-801-T Mouser Part No 815-ACMP-4528-801-T	ABRACON	Common Mode Chokes / Filters CMC 800? 1A 2LN SMD Learn More about ABRACON acmx commercial chokes	Datasheet	399In Stock	Cut Tape 0,611 € 0,521 € 0,478 € 0,387 € Reel 0,292 € View 0,366 € 0,276 € 0,272 € 0,265 € MouseReel Available	Min.: 1 Mult.: 1 : 500	PCB Mount	ACMP-4528	SMD/SMT		800 Ohms		1 A	40 mOhms		- 40 C	+ 125 C		3.2 mm	2.5 mm	2.2 mm		Reel, Cut Tape, MouseReel	Power Common Mode Chokes
Common Mode Chokes / Filters 4.25mH 2amp 7115-RC Bourns 1: 4,33 € 154In Stock	Mfr. Part No. 7115-RC Mouser Part No 542-7115-RC	Bourns	Common Mode Chokes / Filters 4.25mH 2amp	Datasheet	154In Stock	4,33 € 3,51 € 3,25 € 3,24 € View 2,61 € 2,49 € 2,46 €	Min.: 1 Mult.: 1	PCB Mount	7100	Through Hole	4.25 mH		15 %	2 A	110 mOhms		- 55 C	+ 105 C		20.32 mm	11.43 mm	13.97 mm		Bulk	Common Mode Chokes	High Current
Common Mode Chokes / Filters Line Filters SRF1006-202Y Bourns 1: 1,22 € 355In Stock	Mfr. Part No. SRF1006-202Y Mouser Part No 652-SRF1006-202Y	Bourns	Common Mode Chokes / Filters Line Filters	Datasheet	355In Stock	Cut Tape 1,22 € 1,04 € 0,946 € 0,737 € Reel 0,541 € View 0,68 € 0,568 € 0,535 € MouseReel Available	Min.: 1 Mult.: 1 : 800	PCB Mount	SRF1006	SMD/SMT	2 mH	2 kOhms	40 %	400 mA	270 mOhms		- 40 C	+ 105 C		10 mm	8.7 mm	6.5 mm		Reel, Cut Tape, MouseReel	Common Mode Chokes	Line Filter
Common Mode Chokes / Filters 200uH 25% SRF2012A-201YA Bourns 1: 0,301 € 401In Stock	Mfr. Part No. SRF2012A-201YA Mouser Part No 652-SRF2012A-201YA	Bourns	Common Mode Chokes / Filters 200uH 25% Learn More about Bourns SRF2012AA chip inductors	Datasheet	401In Stock	Cut Tape 0,301 € 0,249 € 0,218 € 0,205 € Reel 0,125 € View 0,179 € 0,132 € 0,12 € 0,115 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000	PCB Mount	SRF2012A	SMD/SMT		200 Ohms	25 %	300 mA	400 mOhms		- 55 C	+ 125 C	0805 (2012 metric)	2 mm	1.2 mm	1.2 mm		Reel, Cut Tape, MouseReel	Common Mode Line Filters	Common Mode Inductor
Common Mode Chokes / Filters 0603 Com Mode 200ohm Noise Filter array EXC-18CE201U Panasonic Industry 1: 0,361 € 1 940In Stock	Mfr. Part No. EXC-18CE201U Mouser Part No 667-EXC-18CE201U	Panasonic Industry	Common Mode Chokes / Filters 0603 Com Mode 200ohm Noise Filter array Learn More about Panasonic Industry panasonic exc common mode chokes	Datasheet	1 940In Stock	Cut Tape 0,361 € 0,31 € 0,284 € 0,23 € View Reel 0,155 € 0,217 € 0,193 € 0,178 € 0,168 € 0,155 € MouseReel Available	Min.: 1 Mult.: 1 : 5 000	PCB Mount	EXC	SMD/SMT		200 Ohms	20 %	100 mA	3.5 Ohms		- 40 C	+ 85 C	0603 (1608 metric)					Reel, Cut Tape, MouseReel	Common Mode Noise Filters
Common Mode Chokes / Filters 94uH 450mohms DCR=30ohms SMT AECQ2 PM2741NLT Pulse Electronics 1: 2,44 € 47In Stock	Mfr. Part No. PM2741NLT Mouser Part No 673-PM2741NLT	Pulse Electronics	Common Mode Chokes / Filters 94uH 450mohms DCR=30ohms SMT AECQ2 Learn More about Pulse Electronics pulse toroidal smt common mode chokes	Datasheet	47In Stock	Cut Tape 2,44 € 2,00 € 1,75 € 1,38 € Reel 1,17 € View 1,27 € 1,20 € 1,16 € MouseReel Available	Min.: 1 Mult.: 1 : 1 250	PCB Mount	PM2741	SMD/SMT	94 uH	450 Ohms			30 mOhms	15 MHz	- 40 C	+ 125 C		9.1 mm	8.9 mm	3.8 mm	AEC-Q200	Reel, Cut Tape, MouseReel	Common Mode Chokes
Common Mode Chokes / Filters ICM-0805 160 20% ER E3 Vishay / Dale ICM0805ER161M ICM0805ER161M Vishay / Dale 1: 0,636 € 1 980In Stock	Mfr. Part No. ICM0805ER161M Mouser Part No 70-ICM0805ER161M	Vishay / Dale	Common Mode Chokes / Filters ICM-0805 160 20% ER E3 Learn More about Vishay / Dale vishay common mode chokes	Datasheet	1 980In Stock	Cut Tape 0,636 € 0,547 € 0,502 € 0,406 € Reel 0,298 € View 0,384 € 0,329 € 0,298 € 0,278 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000	PCB Mount	ICM-0805	SMD/SMT		160 Ohms	20 %	350 mA	350 mOhms		- 40 C	+ 85 C	0805 (2012 metric)	2 mm	1.2 mm	1.2 mm		Reel, Cut Tape, MouseReel
Common Mode Chokes / Filters 180 Ohms 20% ICM0805ER181M Vishay / Dale 1: 0,636 € 110In Stock New Product	Mfr. Part No. ICM0805ER181M Mouser Part No 70-ICM0805ER181M New Product	Vishay / Dale	Common Mode Chokes / Filters 180 Ohms 20% Learn More about Vishay / Dale vishayicm	Datasheet	110In Stock	Cut Tape 0,636 € 0,547 € 0,502 € 0,406 € Reel 0,297 € View 0,384 € 0,329 € 0,298 € 0,278 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000	PCB Mount		SMD/SMT		180 Ohms	20 %	330 mA	350 mOhms		- 40 C	+ 85 C	0805 (2012 metric)	2 mm	1.2 mm	1.2 mm		Reel, Cut Tape, MouseReel	Common Mode Chokes	Signal Line
Common Mode Chokes / Filters ICM-0805 30 20% ER E3 Vishay / Dale ICM0805ER300M ICM0805ER300M Vishay / Dale 1: 0,636 € 1 533In Stock	Mfr. Part No. ICM0805ER300M Mouser Part No 70-ICM0805ER300M	Vishay / Dale	Common Mode Chokes / Filters ICM-0805 30 20% ER E3 Learn More about Vishay / Dale vishay common mode chokes	Datasheet	1 533In Stock	Cut Tape 0,636 € 0,547 € 0,502 € 0,406 € Reel 0,297 € View 0,384 € 0,329 € 0,298 € 0,278 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000	PCB Mount	ICM-0805	SMD/SMT		30 Ohms	20 %	450 mA	200 mOhms		- 40 C	+ 85 C	0805 (2012 metric)	2 mm	1.2 mm	1.2 mm		Reel, Cut Tape, MouseReel
Common Mode Chokes / Filters WE-CNSA 1210 200mA 51uH AEC-Q200 784234510 Wurth Elektronik 1: 1,01 € 32In Stock 2 000On Order New Product	Mfr. Part No. 784234510 Mouser Part No 710-784234510 New Product	Wurth Elektronik	Common Mode Chokes / Filters WE-CNSA 1210 200mA 51uH AEC-Q200 Learn More about Wurth Elektronik wurth we cnsa line filters	Datasheet	32In Stock 2 000On Order On Order Ship Dates Mfr. No: 784234510 Stock: 32 Can Dispatch Immediately On Order: 1 000 Expected 02/04/2027 1 000 Expected 23/04/2027 Factory Lead Time: 25 Weeks	Cut Tape 1,01 € 0,903 € 0,783 € 0,671 € Reel 0,624 € View 0,658 € 0,623 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	PCB Mount	WE-CNSA	SMD/SMT	51 uH	7.85 kOhms	- 30 %, + 50 %	200 mA	700 mOhms		- 40 C	+ 85 C	1210 (3225 metric)	3.2 mm	2.5 mm	2.5 mm	AEC-Q200	Reel, Cut Tape, MouseReel	Common Mode Line filter
Common Mode Chokes / Filters 250V 4.2mH 7A DCR=42mOhms SC-07-E042JH KEMET 1: 9,96 € 9In Stock	Mfr. Part No. SC-07-E042JH Mouser Part No 80-SC-07-E042JH	KEMET	Common Mode Chokes / Filters 250V 4.2mH 7A DCR=42mOhms Learn More about KEMET electronics sc coils	Datasheet	9In Stock	9,96 € 5,92 € 5,22 € 4,97 € View 4,70 € 4,64 € 4,50 € 4,28 €	Min.: 1 Mult.: 1	PCB Mount	SC-E-J	Through Hole	4.2 mH			7 A	42 mOhms		- 40 C	+ 120 C	Tray	4.5 mm		27 mm		Tray	AC Line Filters	Common Mode Choke
Common Mode Chokes / Filters 250V 6A 20mH DCR=26mOhms SCF25-06-2000 KEMET 1: 23,22 € 63In Stock	Mfr. Part No. SCF25-06-2000 Mouser Part No 80-SCF25-06-2000	KEMET	Common Mode Chokes / Filters 250V 6A 20mH DCR=26mOhms Learn More about KEMET electronics sc coils	Datasheet	63In Stock	23,22 € 19,12 € 17,38 € 16,13 € 15,69 €	Min.: 1 Mult.: 1	PCB Mount	SCF	Through Hole	20 mH			6 A	26 mOhms		- 40 C	+ 120 C	Tray	10 mm	23 mm	32 mm		Tray	AC Line Filters	Compact Common Mode Filters
Common Mode Chokes / Filters 250VAC 0.7A 51mH SS26V-070510 KEMET 1: 6,22 € 139In Stock	Mfr. Part No. SS26V-070510 Mouser Part No 80-SS26V-070510	KEMET	Common Mode Chokes / Filters 250VAC 0.7A 51mH Learn More about KEMET electronics ss coils	Datasheet	139In Stock	6,22 € 4,93 € 4,00 € 3,85 € View 1,90 € 1,43 € 1,21 €	Min.: 1 Mult.: 1	PCB Mount	SS26V	Through Hole	51 mH			700 mA	1.4 Ohms		- 25 C	+ 120 C	Tray	3.5 mm	20.5 mm	30.5 mm		Tray	AC Line Filters	Standard Common Mode Filters
Common Mode Chokes / Filters 250VAC 47.5mH 0.8A 20.9mm DCR=0.68mOhms SSR21NVS-M08475 KEMET 1: 2,39 € 12In Stock 450Expected 16/11/2026	Mfr. Part No. SSR21NVS-M08475 Mouser Part No 80-SSR21NVS-M08475	KEMET	Common Mode Chokes / Filters 250VAC 47.5mH 0.8A 20.9mm DCR=0.68mOhms Learn More about KEMET electronics ss coils	Datasheet	12In Stock 450Expected 16/11/2026	2,39 € 1,96 € 1,51 € 1,27 € View 1,23 € 1,16 € 1,14 €	Min.: 1 Mult.: 1	PCB Mount	SSR21NVS-M	Through Hole	47.5 mH			800 mA	680 mOhms		- 25 C	+ 120 C	Tray	3.5 mm		27 mm		Tray	AC Line Filters
Common Mode Chokes / Filters 50V 1A DCR=50mOhms ST-202A KEMET 1: 3,18 € 428In Stock	Mfr. Part No. ST-202A Mouser Part No 80-ST-202A	KEMET	Common Mode Chokes / Filters 50V 1A DCR=50mOhms Learn More about KEMET dc line filters	Datasheet	428In Stock	3,18 € 2,66 € 2,30 € 1,93 € View 1,84 € 1,63 €	Min.: 1 Mult.: 1	PCB Mount	ST	Through Hole		600 Ohms		1 A	50 Ohms		- 20 C	+ 65 C	Tray	10.5 mm	16 mm	20 mm		Tray	DC Line Filters
Common Mode Chokes / Filters CMC 260 Ohm @ 100MHz 1.000 A 500.00 mOhm ACM-31-261M-T ABRACON 1: 0,335 € 148In Stock	Mfr. Part No. ACM-31-261M-T Mouser Part No 815-ACM-31-261M-T	ABRACON	Common Mode Chokes / Filters CMC 260 Ohm @ 100MHz 1.000 A 500.00 mOhm	Datasheet	148In Stock	Cut Tape 0,335 € 0,287 € 0,263 € 0,213 € Reel 0,151 € View 0,201 € 0,179 € 0,166 € 0,148 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000																	Reel, Cut Tape, MouseReel	Data Line Chokes
Common Mode Chokes / Filters CMC 0.400 A 1500.00 mOhm ALFT-03A-3 ABRACON 1: 3,10 € 258In Stock	Mfr. Part No. ALFT-03A-3 Mouser Part No 815-ALFT-03A-3	ABRACON	Common Mode Chokes / Filters CMC 0.400 A 1500.00 mOhm	Datasheet	258In Stock	3,10 € 2,60 € 2,37 € 1,89 € View 1,85 € 1,69 € 1,64 € 1,58 € 1,52 €	Min.: 1 Mult.: 1	PCB Mount	ALFT	Radial	26 mH			400 mA	1.5 Ohms		- 25 C	+ 85 C		23.9 mm	18 mm	21.6 mm		Bulk	Common Mode Filters	Line Filter
Common Mode Chokes / Filters 4.7 mH High Frequency UU9LFNP-B-B472 Sumida 1: 0,869 € 154In Stock	Mfr. Part No. UU9LFNP-B-B472 Mouser Part No 851-UU9LFNP-B-B472	Sumida	Common Mode Chokes / Filters 4.7 mH High Frequency	Datasheet	154In Stock	Cut Tape 0,869 € 0,734 € 0,667 € Reel 0,52 € 0,444 € View 0,433 € 0,418 € 0,41 € 0,40 €	Min.: 1 Mult.: 1 : 100	PCB Mount		Through Hole	4.7 mH			340 mA	1.6 Ohms		- 40 C	+ 85 C		16.5 mm	11 mm	16.5 mm		Reel, Cut Tape	Common Mode Chokes	Line Filter
Common Mode Chokes / Filters RING CORE CHOKE 2X3.3MH 2A B82722J2202N002 TDK 1: 2,98 € 62In Stock	Mfr. Part No. B82722J2202N002 Mouser Part No 871-B82722J2202N002	TDK	Common Mode Chokes / Filters RING CORE CHOKE 2X3.3MH 2A Learn More about TDK epcos lumileds led solutions	Datasheet	62In Stock	2,98 € 2,49 € 2,24 € 1,76 € View 1,63 € 1,53 € 1,44 € 1,39 €	Min.: 1 Mult.: 1	PCB Mount	B82722J	Radial	3.3 mH		30 %	2 A	133 mOhms		- 40 C	+ 125 C	23.3 mm x 16.1 mm	23.3 mm	16.1 mm	25.4 mm		Tray	Ring Core Chokes	Power Line Chokes Current Compensated Ring Core Double Choke
Common Mode Chokes / Filters 75V 10A EMI Filter IDQ48010A480V-002-R TDK-Lambda 1: 34,36 € 5In Stock 1 578On Order	Mfr. Part No. IDQ48010A480V-002-R Mouser Part No 967-IDQ48010A480V002	TDK-Lambda	Common Mode Chokes / Filters 75V 10A EMI Filter	Datasheet	5In Stock 1 578On Order On Order Ship Dates Mfr. No: IDQ48010A480V-002-R Stock: 5 Can Dispatch Immediately On Order: 132 Expected 24/02/2027 850 Expected 14/04/2027 590 Expected 26/05/2027 6 TBD Factory Lead Time: 30 Weeks	34,36 € 28,97 € 27,67 € 27,03 €	Min.: 1 Mult.: 1	PCB Mount	iDQ	Through Hole				10 A	11.5 mOhms		- 40 C	+ 120 C		50 mm	15 mm	10.8 mm		Tray	EMI Filters
Common Mode Chokes / Filters RT8522-8-8M0-1 RT8522-8-8M0-1 TE Connectivity / Schaffner 1: 10,99 € 100In Stock New At Mouser	Mfr. Part No. RT8522-8-8M0-1 Mouser Part No 631-RT852288M01 New At Mouser	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8522-8-8M0-1 Learn More about TE Connectivity / Schaffner schaffner rt series chokes	Datasheet	100In Stock	10,99 € 9,02 € 8,36 € 7,90 € View 7,65 € 7,33 € 7,32 €	Min.: 1 Mult.: 1		RT-Series
Common Mode Chokes / Filters Line Filters SRF1006-402Y Bourns 1: 1,22 € 760In Stock	Mfr. Part No. SRF1006-402Y Mouser Part No 652-SRF1006-402Y	Bourns	Common Mode Chokes / Filters Line Filters	Datasheet	760In Stock	Cut Tape 1,22 € 1,04 € 0,946 € 0,737 € Reel 0,55 € View 0,68 € 0,579 € 0,543 € 0,536 € MouseReel Available	Min.: 1 Mult.: 1 : 800		SRF1006															Reel, Cut Tape, MouseReel	Common Mode Line Filters