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EMI Suppression Ferrite Beads

Würth Elektronik EMI Suppression Ferrite Bead product families include the WE-AFB, WE-AFB LFS, WE-SAFB, and WE-TOF series. The WE-AFB, WE-SAFB, and WE-TOF series all feature a ferrite core made of NiZn. This NiZn core allows for the best possible interference suppression and works in a broadband frequency range. The NiZn core ferrites are available in axial (WE-AFB) and toroidal (WE-SAFB) types. Würth WE-SAFB ferrite beads are smaller in size and used for cables with a diameter of 0.55mm up to 4mm. The WE-AFB LFS axial ferrite beads have an MnZn core. The MnZn core material is used for low-frequency applications from 150kHz and 30MHz.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Cable Cores WE-AFB Axial 25MHz 125Ohm 74270030 Wurth Elektronik 1: $0.893 29,034In Stock	Mfr. Part # 74270030 Mouser Part # 710-74270030	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 125Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	29,034In Stock	$0.893 $0.883 $0.851 $0.791 View $0.789 $0.757 $0.70 $0.698	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1.6mm 39Ohm @ 25MHz 74270012 Wurth Elektronik 1: $0.95 4,710In Stock	Mfr. Part # 74270012 Mouser Part # 710-74270012	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 1.6mm 39Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	4,710In Stock	$0.95 $0.933 $0.901 $0.87 View $0.805 $0.796	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB EMI Axial 100MHz 205Ohm 74270051 Wurth Elektronik 1: $2.62 10,046In Stock	Mfr. Part # 74270051 Mouser Part # 710-74270051	Wurth Elektronik	Ferrite Cable Cores WE-AFB EMI Axial 100MHz 205Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	10,046In Stock	$2.62 $2.38 $2.36 $2.17 View $1.80 $1.79 $1.77	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Core 100MHz 63Ohm 7427216 Wurth Elektronik 1: $3.69 1,014In Stock	Mfr. Part # 7427216 Mouser Part # 710-7427216	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Core 100MHz 63Ohm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	1,014In Stock	$3.69 $3.61 $3.48 $3.33 View $3.31 $3.20 $3.05 $3.04	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 3mm 55Ohms @ 25MHz 1Turn 74270021 Wurth Elektronik 1: $0.864 10,597In Stock	Mfr. Part # 74270021 Mouser Part # 710-74270021	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 3mm 55Ohms @ 25MHz 1Turn Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	10,597In Stock	$0.864 $0.822 $0.812 $0.772 View $0.729 $0.721 $0.697 $0.649 $0.609	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB .55mm 38Ohm @ 25MHz 74270001 Wurth Elektronik 1: $0.907 4,595In Stock	Mfr. Part # 74270001 Mouser Part # 710-74270001	Wurth Elektronik	Ferrite Cable Cores WE-SAFB .55mm 38Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	4,595In Stock	$0.907 $0.861 $0.845 $0.801 View $0.747 $0.746 $0.72 $0.714 $0.696	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 156Ohm 74270043 Wurth Elektronik 1: $1.77 7,941In Stock	Mfr. Part # 74270043 Mouser Part # 710-74270043	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 156Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	7,941In Stock	$1.77 $1.73 $1.66 $1.56	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Ferrite 25MHz 155Ohm 74270090 Wurth Elektronik 1: $4.88 6,069In Stock	Mfr. Part # 74270090 Mouser Part # 710-74270090	Wurth Elektronik	Ferrite Cable Cores WE-AFB Ferrite 25MHz 155Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	6,069In Stock	$4.88 $4.49 $4.39 $4.28 View $4.19 $4.09 $4.08	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 1MHz 90Ohm 74277255 Wurth Elektronik 1: $8.14 600In Stock	Mfr. Part # 74277255 Mouser Part # 710-74277255	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 1MHz 90Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	600In Stock	$8.14 $7.96 $7.66 $7.32 View $6.70 $6.38 $6.36	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 2.2mm 71Ohm @ 25MHz 74270020 Wurth Elektronik 1: $0.878 3,471In Stock	Mfr. Part # 74270020 Mouser Part # 710-74270020	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 2.2mm 71Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	3,471In Stock	$0.878 $0.829 $0.818 $0.785 View $0.733 $0.727 $0.706 $0.691	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB .85mm 65Ohm @ 25MHz 7427002 Wurth Elektronik 1: $0.864 3,583In Stock	Mfr. Part # 7427002 Mouser Part # 710-7427002	Wurth Elektronik	Ferrite Cable Cores WE-SAFB .85mm 65Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	3,583In Stock	$0.864 $0.824 $0.814 $0.773 View $0.724 $0.721 $0.704 $0.664 $0.662	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Ferrite for Flexible Printed Circuit Board 7427807 Wurth Elektronik 1: $7.42 12In Stock	Mfr. Part # 7427807 Mouser Part # 710-7427807	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Ferrite for Flexible Printed Circuit Board Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	12In Stock	$7.42 $7.10 $6.64 $6.18 View $5.96 $5.49	Min.: 1 Mult.: 1
Ferrite Beads WE-AENA Na Cryst Blk 15.2mm 39Ohms AECQ2 782063151200 Wurth Elektronik 1: $27.73 102In Stock	Mfr. Part # 782063151200 Mouser Part # 710-782063151200	Wurth Elektronik	Ferrite Beads WE-AENA Na Cryst Blk 15.2mm 39Ohms AECQ2 Learn More about Wurth Elektronik wurth we aefa axial ferrites	Datasheet	102In Stock	$27.73 $25.43 $23.11 $20.81 $18.48	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Core 100MHz 75Ohm 7427226 Wurth Elektronik 1: $2.61 671In Stock	Mfr. Part # 7427226 Mouser Part # 710-7427226	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Core 100MHz 75Ohm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	671In Stock	$2.61 $2.55 $2.46 $2.36 View $2.25 $2.16 $2.15	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 35Ohm @ 25MHz 74270104 Wurth Elektronik 1: $1.86 1,506In Stock	Mfr. Part # 74270104 Mouser Part # 710-74270104	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 35Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1,506In Stock	$1.86 $1.80 $1.77 $1.73 $1.71	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 55Ohm @ 25MHz 742701111 Wurth Elektronik 1: $3.23 2,400In Stock	Mfr. Part # 742701111 Mouser Part # 710-742701111	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 55Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	2,400In Stock	$3.23 $3.18 $3.15 $3.05 View $2.94 $2.71 $2.69 $2.68	Min.: 1 Mult.: 1
Ferrite Beads WE-AENA Na Cryst Blk 5.2mm 20Ohms AECQ2 782063051100 Wurth Elektronik 1: $14.50 125In Stock	Mfr. Part # 782063051100 Mouser Part # 710-782063051100	Wurth Elektronik	Ferrite Beads WE-AENA Na Cryst Blk 5.2mm 20Ohms AECQ2 Learn More about Wurth Elektronik wurth we aefa axial ferrites	Datasheet	125In Stock	$14.50 $13.29 $12.08 $10.87 $9.66	Min.: 1 Mult.: 1
Ferrite Beads WE-AENA Na Cryst Blk 5.2mm 45Ohms AECQ2 782163051200 Wurth Elektronik 1: $16.39 179In Stock	Mfr. Part # 782163051200 Mouser Part # 710-782163051200	Wurth Elektronik	Ferrite Beads WE-AENA Na Cryst Blk 5.2mm 45Ohms AECQ2 Learn More about Wurth Elektronik wurth we aefa axial ferrites	Datasheet	179In Stock	$16.39 $15.02 $13.67 $12.30 $10.93	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT 114Ohm 16Pol 7427230 Wurth Elektronik 1: $4.65 936In Stock 640Expected 2026-11-27	Mfr. Part # 7427230 Mouser Part # 710-7427230	Wurth Elektronik	Ferrite Cable Cores WE-FLAT 114Ohm 16Pol Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	936In Stock 640Expected 2026-11-27	$4.65 $4.33 $4.10 $3.99 $3.79	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB EMI Axial 100MHz 210Ohm 7427009 Wurth Elektronik 1: $2.20 20,598In Stock 264On Order	Mfr. Part # 7427009 Mouser Part # 710-7427009	Wurth Elektronik	Ferrite Cable Cores WE-AFB EMI Axial 100MHz 210Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	20,598In Stock 264On Order	$2.20 $1.99 $1.83 $1.51 $1.50	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF EMI Toroidal 165 ohm 33.4mm 74270191 Wurth Elektronik 1: $10.86 10,693In Stock 6,900On Order	Mfr. Part # 74270191 Mouser Part # 710-74270191	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF EMI Toroidal 165 ohm 33.4mm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	10,693In Stock 6,900On Order On Order Ship Dates Mfr. #: 74270191 Stock: 10,693 Can Ship Immediately On Order: 735 Pending 6,165 Expected 2027-01-29 Factory Lead-Time: 24 Weeks	$10.86 $9.86 $8.15 $7.42	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1.4mm 28Ohm @ 25MHz 74270011 Wurth Elektronik 1: $0.907 8,156In Stock	Mfr. Part # 74270011 Mouser Part # 710-74270011	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 1.4mm 28Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	8,156In Stock	$0.907 $0.861 $0.805 $0.75 $0.721	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial Ferrite Core 170 OHM 74270052 Wurth Elektronik 1: $1.68 2,644In Stock 2,277Expected 2027-01-22	Mfr. Part # 74270052 Mouser Part # 710-74270052	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial Ferrite Core 170 OHM Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	2,644In Stock 2,277Expected 2027-01-22	$1.68 $1.64 $1.58 $1.44 $1.37	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 80Ohm @ 25MHz 74270115 Wurth Elektronik 1: $8.76 1,439In Stock	Mfr. Part # 74270115 Mouser Part # 710-74270115	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 80Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1,439In Stock	$8.76 $8.61 $7.96 $7.33	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 41Ohm @ 25MHz 74270117 Wurth Elektronik 1: $0.979 15,762In Stock	Mfr. Part # 74270117 Mouser Part # 710-74270117	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 41Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	15,762In Stock	$0.979 $0.966 $0.93 $0.894 $0.824	Min.: 1 Mult.: 1

EMI Suppression Ferrite Beads

Types of Passive Components

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EMI Suppression Ferrite Beads

Types of Passive Components