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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 AB4X2X8DY-2K Niterra 1: $1.67 1,995In Stock New Product	Mfr. Part No. AB4X2X8DY-2K Mouser Part No 757-AB4X2X8DY-2K New Product	Niterra	Ferrite Cable Cores AMORPHOUS CORE - AMOBEAD Learn More about Niterra amobeads dy ferrite cores		1,995In Stock	$1.67 $1.15 $0.99 $0.919 View $0.81 $0.657 $0.61 $0.595	Min.: 1 Mult.: 1	Ferrite Cable Cores	Ferrite Cable Cores	Round
Ferrite Cable Cores AMORPHOUS CORE - AMOBEAD AB4X2X4.5DY-2K Niterra 1: $1.14 2,000In Stock New Product	Mfr. Part No. AB4X2X4.5DY-2K Mouser Part No 757-AB4X2X4.5DY-2K New Product	Niterra	Ferrite Cable Cores AMORPHOUS CORE - AMOBEAD Learn More about Niterra amobeads dy ferrite cores	Datasheet	2,000In Stock	$1.14 $0.792 $0.683 $0.629 View $0.554 $0.449 $0.417 $0.407	Min.: 1 Mult.: 1	Ferrite Cable Cores	Ferrite Cable Cores	Round
Ferrite Cable Cores AMORPHOUS CORE - AMOBEAD AB3X2X4.5DY-2K Niterra 1: $1.06 2,000In Stock New Product	Mfr. Part No. AB3X2X4.5DY-2K Mouser Part No 757-AB3X2X4.5DY-2K New Product	Niterra	Ferrite Cable Cores AMORPHOUS CORE - AMOBEAD Learn More about Niterra amobeads dy ferrite cores	Datasheet	2,000In Stock	$1.06 $0.741 $0.637 $0.566 View $0.499 $0.419 $0.392 $0.355	Min.: 1 Mult.: 1	Ferrite Cable Cores	Ferrite Cable Cores	Round
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 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 100In Stock 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	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 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 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 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 On Order Ship Dates Mfr. No: SFSWG5000100ZC0 Stock: 54 Can Dispatch Immediately On Order: 41 Pending 5 Expected 16/11/2026 Factory Lead Time: 47 Weeks	$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
EMI Gaskets, Sheets, Absorbers & Shielding WE-LT Square-Profile 1000 x 13 x 3 mm 3021303 Wurth Elektronik 1: $13.90 1,271In Stock	Mfr. Part No. 3021303 Mouser Part No 710-3021303	Wurth Elektronik	EMI Gaskets, Sheets, Absorbers & Shielding WE-LT Square-Profile 1000 x 13 x 3 mm Learn More about Wurth Elektronik wurth lt	Datasheet	1,271In Stock	$13.90 $12.82 $12.81 $11.73 View $10.50 $10.48	Min.: 1 Mult.: 1	EMI Gaskets, Sheets & Absorbers	Gaskets				Bulk
Ferrite Cores & Accessories 79 TOROID 5979001101 Fair-Rite 1: $1.16 4,070In Stock	Mfr. Part No. 5979001101 Mouser Part No 623-5979001101	Fair-Rite	Ferrite Cores & Accessories 79 TOROID Learn More about Fair-Rite fair rite high frequency power toroids	Datasheet	4,070In Stock	$1.16 $0.811 $0.698 $0.60 View $0.546 $0.441 $0.396 $0.352	Min.: 1 Mult.: 1	Ferrite Cores & Accessories					Bulk
Ferrite Cores & Accessories 80 TOROID 5980001101 Fair-Rite 1: $1.24 4,226In Stock	Mfr. Part No. 5980001101 Mouser Part No 623-5980001101	Fair-Rite	Ferrite Cores & Accessories 80 TOROID Learn More about Fair-Rite fair rite high frequency power toroids	Datasheet	4,226In Stock	$1.24 $0.868 $0.745 $0.661 View $0.583 $0.488 $0.422 $0.406 $0.393	Min.: 1 Mult.: 1	Ferrite Cores & Accessories					Bulk
EMI Gaskets, Sheets, Absorbers & Shielding RFLB .080X12X12in 21850081 Laird 1: $531.64 10In Stock	Mfr. Part No. 21850081 Mouser Part No 739-21850081	Laird	EMI Gaskets, Sheets, Absorbers & Shielding RFLB .080X12X12in Learn More about Laird eccosorb rf lb emi absorbers	Datasheet	10In Stock	$531.64 $455.84	Min.: 1 Mult.: 1	EMI Gaskets, Sheets & Absorbers	Absorbers				Bulk
Ferrite Beads 0201 600ohms 160mA High Speed Signal Line, High Wide Z MMZ0603A601ET000 TDK 1: $0.33 36,342In Stock	Mfr. Part No. MMZ0603A601ET000 Mouser Part No 810-MMZ0603A601ET000	TDK	Ferrite Beads 0201 600ohms 160mA High Speed Signal Line, High Wide Z Learn More about TDK mmz e chip beads	Datasheet	36,342In Stock	Cut Tape $0.33 $0.227 $0.179 $0.159 View Reel $0.081 $0.136 $0.12 $0.105 $0.099 $0.081 $0.081 MouseReel Available	Min.: 1 Mult.: 1 : 15,000	Ferrite Beads	Chip Beads		- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Common Mode Chokes / Filters 35mA 2LN 20ohm 8 GHZ TCM0403T-200-2P-T210 TDK 1: $0.14 19,683In Stock	Mfr. Part No. TCM0403T-200-2P-T210 Mouser Part No 810-TCM0403T202PT210	TDK	Common Mode Chokes / Filters 35mA 2LN 20ohm 8 GHZ Learn More about TDK tcm0403t filters	Datasheet	19,683In Stock	Cut Tape $0.14 $0.112 $0.09 $0.079 View Reel $0.065 $0.072 $0.066 $0.065 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	Common Mode Chokes			- 25 C	+ 85 C	Reel, Cut Tape, MouseReel
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
Ferrite Cores & Accessories 78 Rod 9.5/70-78 4078377511 Fair-Rite 1: $3.10 69,241In Stock	Mfr. Part No. 4078377511 Mouser Part No 623-4078377511	Fair-Rite	Ferrite Cores & Accessories 78 Rod 9.5/70-78 Learn More about Fair-Rite fair rite ferrite pressed rods	Datasheet	69,241In Stock	Cut Tape $3.10 $2.15 $1.82 $1.61 $1.32 Reel $1.10	Min.: 1 Mult.: 1 : 282	Ferrite Cores & Accessories	Rods				Reel, Cut Tape