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EMI Filters / EMI Suppression

EMI Filters & EMI Suppression Filters are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many EMI filter manufacturers including TDK, Fair-Rite, Laird Performance, Murata, Vacuumschmelze (VAC), Wurth Elektronik & more. We stock many types of EMI filters and accessories including Common Mode Filters, Feedthrough Filters, Filter Circuits, EMI Kits and more. We also stock EMI Gaskets, Sheets, Absorbers & Shielding.

Please view our large selection of EMI filters and accessories below.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Shape	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Ferrite Cable Cores AMORPHOUS CORE - AMOBEAD AB3X2X3DY-2K Niterra 1: $0.93 2,000In Stock New Product	Mfr. Part No. AB3X2X3DY-2K Mouser Part No 757-AB3X2X3DY-2K New Product	Niterra	Ferrite Cable Cores AMORPHOUS CORE - AMOBEAD Learn More about Niterra amobeads dy ferrite cores	Datasheet	2,000In Stock	$0.93 $0.647 $0.557 $0.494 View $0.436 $0.366 $0.342 $0.31	Min.: 1 Mult.: 1	Ferrite Cable Cores	Ferrite Cable Cores	Round
Feed Through Capacitors 200V 22nF +/-20% Bottom end seal SFSWR2000223MX0 Knowles Syfer 1: $24.22 98In Stock 2On Order New Product	Mfr. Part No. SFSWR2000223MX0 Mouser Part No 843-SFSWR2000223MX0 New Product	Knowles Syfer	Feed Through Capacitors 200V 22nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	98In Stock 2On Order	$24.22 $18.53 $16.57 $14.99 View $14.40 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 10nF +/-20% Bottom end seal SFSWR5000103MX0 Knowles Syfer 1: $24.22 64In Stock 36Expected 09/12/2026 New Product	Mfr. Part No. SFSWR5000103MX0 Mouser Part No 843-SFSWR5000103MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 10nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	64In Stock 36Expected 09/12/2026	$24.22 $18.53 $16.57 $14.99 View $14.40 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 1.5nF +/-20% Bottom end seal SFSWR5000152MX0 Knowles Syfer 1: $24.15 92In Stock 8On Order New Product	Mfr. Part No. SFSWR5000152MX0 Mouser Part No 843-SFSWR5000152MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 1.5nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	92In Stock 8On Order	$24.15 $18.48 $16.52 $14.94 View $14.37 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 330pF +/-20% Bottom end seal SFSWR5000331MC0 Knowles Syfer 1: $24.61 93In Stock 7On Order New Product	Mfr. Part No. SFSWR5000331MC0 Mouser Part No 843-SFSWR5000331MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 330pF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	93In Stock 7On Order	$24.61 $18.83 $16.84 $15.23 View $14.64 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 3.3nF +/-20% Bottom end seal SFSWR5000332MX0 Knowles Syfer 1: $24.15 100In Stock New Product	Mfr. Part No. SFSWR5000332MX0 Mouser Part No 843-SFSWR5000332MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 3.3nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	$24.15 $18.48 $16.52 $14.94 View $14.37 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 470pF +/-20% Bottom end seal SFSWR5000471MC0 Knowles Syfer 1: $24.81 26In Stock 74On Order New Product	Mfr. Part No. SFSWR5000471MC0 Mouser Part No 843-SFSWR5000471MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 470pF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	26In Stock 74On Order	$24.81 $18.98 $16.97 $15.35 View $14.76 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 680pF +/-20% Bottom end seal SFSWR5000681MX0 Knowles Syfer 1: $24.15 81In Stock 19On Order New Product	Mfr. Part No. SFSWR5000681MX0 Mouser Part No 843-SFSWR5000681MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 680pF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	81In Stock 19On Order	$24.15 $18.48 $16.52 $14.94 View $14.37 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 10pF -20% +80% Flange end seal SFSWG5000100ZC0 Knowles Syfer 1: $24.35 54In Stock 46On Order New Product	Mfr. Part No. SFSWG5000100ZC0 Mouser Part No 843-SFSWG5000100ZC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 10pF -20% +80% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	54In Stock 46On Order	$24.35 $18.63 $16.66 $15.07 View $14.48 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 200V 15nF +/-20% Bottom end seal SFSWR2000153MX0 Knowles Syfer 1: $24.22 89In Stock 11Expected 09/12/2026 New Product	Mfr. Part No. SFSWR2000153MX0 Mouser Part No 843-SFSWR2000153MX0 New Product	Knowles Syfer	Feed Through Capacitors 200V 15nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	89In Stock 11Expected 09/12/2026	$24.22 $18.53 $16.57 $14.99 View $14.40 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 100V 33nF +/-20% Bottom end seal SFSWR1000333MX0 Knowles Syfer 1: $24.29 100In Stock New Product	Mfr. Part No. SFSWR1000333MX0 Mouser Part No 843-SFSWR1000333MX0 New Product	Knowles Syfer	Feed Through Capacitors 100V 33nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	100In Stock	$24.29 $18.59 $16.62 $13.64	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 1.0nF +/-20% Flange end seal SFSWG5000102MX0 Knowles Syfer 1: $24.15 50In Stock New Product	Mfr. Part No. SFSWG5000102MX0 Mouser Part No 843-SFSWG5000102MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 1.0nF +/-20% Flange end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	50In Stock	$24.15 $18.48 $16.52 $14.94 View $14.37 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 6.8nF +/-20% Bottom end seal SFSWR5000682MX0 Knowles Syfer 1: $24.22 74In Stock 26On Order New Product	Mfr. Part No. SFSWR5000682MX0 Mouser Part No 843-SFSWR5000682MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 6.8nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	74In Stock 26On Order	$24.22 $18.53 $16.57 $14.99 View $14.40 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 220pF +/-20% Bottom end seal SFSWR5000221MC0 Knowles Syfer 1: $24.68 74In Stock 26On Order New Product	Mfr. Part No. SFSWR5000221MC0 Mouser Part No 843-SFSWR5000221MC0 New Product	Knowles Syfer	Feed Through Capacitors 500V 220pF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	74In Stock 26On Order	$24.68 $18.88 $16.88 $15.27 View $14.68 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors 500V 2.2nF +/-20% Bottom end seal SFSWR5000222MX0 Knowles Syfer 1: $24.15 89In Stock 11On Order New Product	Mfr. Part No. SFSWR5000222MX0 Mouser Part No 843-SFSWR5000222MX0 New Product	Knowles Syfer	Feed Through Capacitors 500V 2.2nF +/-20% Bottom end seal Learn More about Knowles Syfer syfer knowles sfswg sfswr emi panel filters	Datasheet	89In Stock 11On Order	$24.15 $18.48 $16.52 $14.94 View $14.37 Quote	Min.: 1 Mult.: 1	Feed Through Capacitors	EMI Filter		- 55 C	+ 125 C	Bulk
Feed Through Capacitors NFM15TC105D0G3D Murata Electronics 1: $0.28 33,022In Stock New Product	Mfr. Part No. NFM15TC105D0G3D Mouser Part No 81-NFM15TC1D0G3D New Product	Murata Electronics	Feed Through Capacitors Learn More about Murata Electronics murata nfm capacitors	Datasheet	33,022In Stock	Cut Tape $0.28 $0.162 $0.098 $0.079 View Reel $0.052 $0.067 $0.066 $0.058 $0.052	Min.: 1 Mult.: 1 : 10,000	Feed Through Capacitors					Reel, Cut Tape
Common Mode Chokes / Filters 1100Ohms 80V 0.25A RDC=0.5 -40 / + 125C AEC-Q200 PE-1210AGC220STS Pulse Electronics 1: $0.84 4,973In Stock	Mfr. Part No. PE-1210AGC220STS Mouser Part No 673-PE-1210AGC220STS	Pulse Electronics	Common Mode Chokes / Filters 1100Ohms 80V 0.25A RDC=0.5 -40 / + 125C AEC-Q200 Learn More about Pulse Electronics pulse automotive communications	Datasheet	4,973In Stock	Cut Tape $0.84 $0.693 $0.604 $0.55 Reel $0.395 View $0.52 $0.446 $0.404 $0.383 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Common Mode Chokes	Common Mode Chokes		- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Ferrite Toroids / Ferrite Rings 25uH@100kHz Nano CMC Core 140x100x30 FT-3KM F140100 Proterial 1: $254.58 128In Stock	Mfr. Part No. FT-3KM F140100 Mouser Part No 205-FT-3KMF140100	Proterial	Ferrite Toroids / Ferrite Rings 25uH@100kHz Nano CMC Core 140x100x30		128In Stock	$254.58 $184.99	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
EMI Gaskets, Sheets, Absorbers & Shielding FoF Rectangular L 18"xW .375"xH .25" 4701-PA-51H-01800 Laird 1: $9.34 1,560In Stock 9,110On Order	Mfr. Part No. 4701-PA-51H-01800 Mouser Part No 739-4701PA-51H-01800	Laird	EMI Gaskets, Sheets, Absorbers & Shielding FoF Rectangular L 18"xW .375"xH .25" Learn More about Laird 51H emi gaskets	Datasheet	1,560In Stock 9,110On Order On Order Ship Dates Mfr. No: 4701-PA-51H-01800 Stock: 1,560 Can Dispatch Immediately On Order: 1,415 Pending 1,200 Expected 12/11/2026 6,495 Expected 11/01/2027 Factory Lead Time: 6 Weeks	$9.34 $6.90 $6.54 $6.03 View $5.73 $5.45 $5.27 Quote	Min.: 1 Mult.: 1	EMI Gaskets, Sheets & Absorbers	Foam				Bulk
Common Mode Chokes / Filters For NoiseAttenuation 11.5uH 500mA 850mOh M2022-ASLC Coilcraft 1: $3.31 10,725In Stock	Mfr. Part No. M2022-ASLC Mouser Part No 994-M2022-ASLC	Coilcraft	Common Mode Chokes / Filters For NoiseAttenuation 11.5uH 500mA 850mOh Learn More about Coilcraft data line multiline chokes	Datasheet	10,725In Stock	Cut Tape $3.31 $2.77 $2.53 $2.02 Reel $1.81 View $1.93 $1.75 $1.69 $1.60 MouseReel Available	Min.: 1 Mult.: 1 : 600	Common Mode Chokes					Reel, Cut Tape, MouseReel
Common Mode Chokes / Filters For Hi Speed Signal 47nH DCR=.17Ohms 0805USB-901MLC Coilcraft 1: $1.13 65,557In Stock 36,000Expected 01/01/2027	Mfr. Part No. 0805USB-901MLC Mouser Part No 994-0805USB-901MLC	Coilcraft	Common Mode Chokes / Filters For Hi Speed Signal 47nH DCR=.17Ohms Learn More about Coilcraft 0805usb 2 common mode choke	Datasheet	65,557In Stock 36,000Expected 01/01/2027	Cut Tape $1.13 $0.934 $0.928 $0.674 Reel $0.674 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Common Mode Chokes	Common Mode Chokes		- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Ferrite Beads WE-CBF 250Ohms 4K mA 0.012Ohms 7427928251 Wurth Elektronik 1: $1.16 3,958In Stock	Mfr. Part No. 7427928251 Mouser Part No 710-7427928251	Wurth Elektronik	Ferrite Beads WE-CBF 250Ohms 4K mA 0.012Ohms Learn More about Wurth Elektronik wurth WE CBF emi suppression beads	Datasheet	3,958In Stock	Cut Tape $1.16 $1.14 $1.10 $1.06 $1.02 Reel $0.887 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Ferrite Beads	Ferrite Beads		- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
EMI Gaskets, Sheets, Absorbers & Shielding ECCOSORB BSR-1/SS6M 0.01 x 12 x 12 PSA 24296254 Laird 1: $165.29 126In Stock 76Expected 14/12/2026	Mfr. Part No. 24296254 Mouser Part No 739-24296254	Laird	EMI Gaskets, Sheets, Absorbers & Shielding ECCOSORB BSR-1/SS6M 0.01 x 12 x 12 PSA Learn More about Laird eccosorb bsr absorbers	Datasheet	126In Stock 76Expected 14/12/2026	$165.29 $156.06 $154.50	Min.: 1 Mult.: 1	EMI Gaskets, Sheets & Absorbers	Absorbers				Bulk
EMI Gaskets, Sheets, Absorbers & Shielding Clip-On Symm FingerStock Gask 0097063602 Laird 1: $18.84 2,897In Stock	Mfr. Part No. 0097063602 Mouser Part No 739-0097063602	Laird	EMI Gaskets, Sheets, Absorbers & Shielding Clip-On Symm FingerStock Gask Learn More about Laird 0097 perpendicular shielding strips	Datasheet	2,897In Stock	$18.84 $15.30 $14.09 $12.61 View $12.30 $9.84 $9.67	Min.: 1 Mult.: 1	EMI Gaskets, Sheets & Absorbers	Fingerstock				Bulk
EMI Gaskets, Sheets, Absorbers & Shielding GK,NiCu,PTAFG,PU,V0 .040x.395x18.000in 4208PA51H01800 Laird 1: $8.40 7,325In Stock	Mfr. Part No. 4208PA51H01800 Mouser Part No 739-4208PA51H01800	Laird	EMI Gaskets, Sheets, Absorbers & Shielding GK,NiCu,PTAFG,PU,V0 .040x.395x18.000in Learn More about Laird 51H emi gaskets	Datasheet	7,325In Stock	$8.40 $6.76 $6.52 $6.06 View $4.95 $4.79 $4.63 $3.79 Quote	Min.: 1 Mult.: 1	EMI Gaskets, Sheets & Absorbers	Foam				Bulk