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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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Cable Cores WE-AFB EMI Axial 100MHz 210Ohm 7427009 Wurth Elektronik 1: £1.15 21,638In Stock 264On Order	Mfr. Part No. 7427009 Mouser Part No 710-7427009	Wurth Elektronik	Ferrite Cable Cores WE-AFB EMI Axial 100MHz 210Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	21,638In Stock 264On Order	£1.15 £1.04 £0.952 £0.788 £0.78	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 125Ohm 74270030 Wurth Elektronik 1: £0.465 29,034In Stock	Mfr. Part No. 74270030 Mouser Part No 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	£0.465 £0.46 £0.443 £0.412 View £0.411 £0.395 £0.365 £0.364	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1.6mm 39Ohm @ 25MHz 74270012 Wurth Elektronik 1: £0.496 4,722In Stock	Mfr. Part No. 74270012 Mouser Part No 710-74270012	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 1.6mm 39Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	4,722In Stock	£0.496 £0.486 £0.47 £0.453 View £0.42 £0.416	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB EMI Axial 100MHz 205Ohm 74270051 Wurth Elektronik 1: £1.37 10,646In Stock	Mfr. Part No. 74270051 Mouser Part No 710-74270051	Wurth Elektronik	Ferrite Cable Cores WE-AFB EMI Axial 100MHz 205Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	10,646In Stock	£1.37 £1.24 £1.23 £1.13 View £0.943 £0.934 £0.925	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Core 100MHz 63Ohm 7427216 Wurth Elektronik 1: £1.92 1,014In Stock	Mfr. Part No. 7427216 Mouser Part No 710-7427216	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Core 100MHz 63Ohm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	1,014In Stock	£1.92 £1.89 £1.82 £1.74 View £1.73 £1.67 £1.59 £1.58	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB .55mm 38Ohm @ 25MHz 74270001 Wurth Elektronik 1: £0.473 4,595In Stock	Mfr. Part No. 74270001 Mouser Part No 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	£0.473 £0.449 £0.441 £0.417 View £0.389 £0.388 £0.375 £0.373 £0.362	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 156Ohm 74270043 Wurth Elektronik 1: £0.925 7,991In Stock	Mfr. Part No. 74270043 Mouser Part No 710-74270043	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 156Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	7,991In Stock	£0.925 £0.899 £0.863 £0.811	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 1MHz 90Ohm 74277255 Wurth Elektronik 1: £4.24 600In Stock	Mfr. Part No. 74277255 Mouser Part No 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	£4.24 £4.16 £4.00 £3.82 View £3.49 £3.33 £3.32	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 3mm 55Ohms @ 25MHz 1Turn 74270021 Wurth Elektronik 1: £0.45 10,597In Stock	Mfr. Part No. 74270021 Mouser Part No 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	£0.45 £0.429 £0.423 £0.402 View £0.38 £0.376 £0.363 £0.339 £0.318	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Ferrite 25MHz 155Ohm 74270090 Wurth Elektronik 1: £2.55 6,069In Stock	Mfr. Part No. 74270090 Mouser Part No 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	£2.55 £2.34 £2.29 £2.23 View £2.18 £2.13 £2.12	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB .85mm 65Ohm @ 25MHz 7427002 Wurth Elektronik 1: £0.45 3,583In Stock	Mfr. Part No. 7427002 Mouser Part No 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	£0.45 £0.43 £0.424 £0.403 View £0.378 £0.376 £0.368 £0.346	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 2.2mm 71Ohm @ 25MHz 74270020 Wurth Elektronik 1: £0.458 3,471In Stock	Mfr. Part No. 74270020 Mouser Part No 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	£0.458 £0.432 £0.426 £0.409 View £0.382 £0.379 £0.368 £0.361	Min.: 1 Mult.: 1
Ferrite Beads WE-AENA Na Cryst Blk 15.2mm 39Ohms AECQ2 782063151200 Wurth Elektronik 1: £14.46 102In Stock	Mfr. Part No. 782063151200 Mouser Part No 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	£14.46 £13.26 £12.05 £10.85 £9.63	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Ferrite for Flexible Printed Circuit Board 7427807 Wurth Elektronik 1: £3.87 12In Stock	Mfr. Part No. 7427807 Mouser Part No 710-7427807	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Ferrite for Flexible Printed Circuit Board Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	12In Stock	£3.87 £3.70 £3.46 £3.22 View £3.11 £2.86	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 35Ohm @ 25MHz 74270104 Wurth Elektronik 1: £0.969 1,506In Stock	Mfr. Part No. 74270104 Mouser Part No 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	£0.969 £0.943 £0.925 £0.899 £0.89	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 55Ohm @ 25MHz 742701111 Wurth Elektronik 1: £1.68 2,400In Stock	Mfr. Part No. 742701111 Mouser Part No 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	£1.68 £1.66 £1.64 £1.59 View £1.53 £1.41 £1.40	Min.: 1 Mult.: 1
Ferrite Beads WE-AENA Na Cryst Blk 5.2mm 20Ohms AECQ2 782063051100 Wurth Elektronik 1: £7.56 125In Stock	Mfr. Part No. 782063051100 Mouser Part No 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	£7.56 £6.93 £6.30 £5.67 £5.04	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Core 100MHz 75Ohm 7427226 Wurth Elektronik 1: £1.36 691In Stock	Mfr. Part No. 7427226 Mouser Part No 710-7427226	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Core 100MHz 75Ohm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	691In Stock	£1.36 £1.33 £1.28 £1.23 View £1.17 £1.13 £1.12	Min.: 1 Mult.: 1
Ferrite Beads WE-AENA Na Cryst Blk 5.2mm 45Ohms AECQ2 782163051200 Wurth Elektronik 1: £8.55 179In Stock	Mfr. Part No. 782163051200 Mouser Part No 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	£8.55 £7.83 £7.12 £6.41 £5.70	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT 114Ohm 16Pol 7427230 Wurth Elektronik 1: £2.43 1,443In Stock	Mfr. Part No. 7427230 Mouser Part No 710-7427230	Wurth Elektronik	Ferrite Cable Cores WE-FLAT 114Ohm 16Pol Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	1,443In Stock	£2.43 £2.26 £2.14 £2.08 £1.97	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1.4mm 28Ohm @ 25MHz 74270011 Wurth Elektronik 1: £0.473 8,156In Stock	Mfr. Part No. 74270011 Mouser Part No 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	£0.473 £0.449 £0.42 £0.391 £0.376	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial Ferrite Core 170 OHM 74270052 Wurth Elektronik 1: £0.882 2,644In Stock	Mfr. Part No. 74270052 Mouser Part No 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	£0.882 £0.856 £0.826 £0.749 £0.713	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 80Ohm @ 25MHz 74270115 Wurth Elektronik 1: £4.57 1,439In Stock	Mfr. Part No. 74270115 Mouser Part No 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	£4.57 £4.49 £4.16 £3.82	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 41Ohm @ 25MHz 74270117 Wurth Elektronik 1: £0.511 17,892In Stock	Mfr. Part No. 74270117 Mouser Part No 710-74270117	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 41Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	17,892In Stock	£0.511 £0.504 £0.485 £0.466 £0.43	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 45Ohm @ 25MHz 74270119 Wurth Elektronik 1: £0.668 6,052In Stock 5,520Expected 04/12/2026	Mfr. Part No. 74270119 Mouser Part No 710-74270119	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 45Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	6,052In Stock 5,520Expected 04/12/2026	£0.668 £0.655 £0.63 £0.607 £0.558	Min.: 1 Mult.: 1

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EMI Suppression Ferrite Beads

Types of Passive Components