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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 (HKD) 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: HK$12.58 21,948In 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	21,948In Stock 264On Order	HK$12.58 HK$11.34 HK$10.44 HK$8.63	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 125Ohm 74270030 Wurth Elektronik 1: HK$5.10 29,134In 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	29,134In Stock	HK$5.10 HK$5.04 HK$4.86 HK$4.51 View HK$4.50 HK$4.32 HK$3.99	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1.6mm 39Ohm @ 25MHz 74270012 Wurth Elektronik 1: HK$5.43 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	HK$5.43 HK$5.33 HK$5.15 HK$4.97 View HK$4.59 HK$4.55	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 3mm 55Ohms @ 25MHz 1Turn 74270021 Wurth Elektronik 1: HK$4.93 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	HK$4.93 HK$4.69 HK$4.64 HK$4.41 View HK$4.16 HK$4.12 HK$3.98 HK$3.71 HK$3.48	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB .55mm 38Ohm @ 25MHz 74270001 Wurth Elektronik 1: HK$5.18 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	HK$5.18 HK$4.92 HK$4.83 HK$4.57 View HK$4.27 HK$4.26 HK$4.11 HK$4.08 HK$3.97	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 156Ohm 74270043 Wurth Elektronik 1: HK$10.11 8,051In 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	8,051In Stock	HK$10.11 HK$9.86 HK$9.45 HK$8.96	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB EMI Axial 100MHz 205Ohm 74270051 Wurth Elektronik 1: HK$14.96 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	HK$14.96 HK$13.56 HK$13.48 HK$12.41 View HK$10.28 HK$10.19 HK$10.11	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Core 100MHz 63Ohm 7427216 Wurth Elektronik 1: HK$21.04 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	HK$21.04 HK$20.63 HK$19.89 HK$18.99 View HK$18.91 HK$18.25 HK$17.43 HK$17.34	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 1MHz 90Ohm 74277255 Wurth Elektronik 1: HK$46.44 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	HK$46.44 HK$45.46 HK$43.73 HK$41.76 View HK$38.22 HK$36.41 HK$36.33	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Ferrite 25MHz 155Ohm 74270090 Wurth Elektronik 1: HK$27.87 6,202In 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	6,202In Stock	HK$27.87 HK$25.65 HK$25.07 HK$24.41 View HK$23.92 HK$23.34 HK$23.26	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 2.2mm 71Ohm @ 25MHz 74270020 Wurth Elektronik 1: HK$5.10 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	HK$5.10 HK$4.78 HK$4.73 HK$4.48 View HK$4.18 HK$4.03 HK$3.99	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB .85mm 65Ohm @ 25MHz 7427002 Wurth Elektronik 1: HK$4.93 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	HK$4.93 HK$4.70 HK$4.64 HK$4.41 View HK$4.13 HK$4.02 HK$3.84 HK$3.83	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Ferrite for Flexible Printed Circuit Board 7427807 Wurth Elektronik 1: HK$42.33 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	HK$42.33 HK$40.52 HK$37.89 HK$35.26 View HK$34.03 HK$31.32	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 35Ohm @ 25MHz 74270104 Wurth Elektronik 1: HK$10.60 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	HK$10.60 HK$10.28 HK$10.11 HK$9.86 HK$9.78	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 55Ohm @ 25MHz 742701111 Wurth Elektronik 1: HK$18.41 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	HK$18.41 HK$18.17 HK$18.08 HK$17.43 View HK$16.77 HK$15.45 HK$15.37	Min.: 1 Mult.: 1
Ferrite Beads WE-AENA Na Cryst Blk 5.2mm 20Ohms AECQ2 782063051100 Wurth Elektronik 1: HK$82.78 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	HK$82.78 HK$75.87 HK$68.97 HK$62.06 HK$55.16	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Core 100MHz 75Ohm 7427226 Wurth Elektronik 1: HK$14.88 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	HK$14.88 HK$14.55 HK$14.06 HK$13.48 View HK$12.82 HK$12.33	Min.: 1 Mult.: 1
Ferrite Beads WE-AENA Na Cryst Blk 5.2mm 45Ohms AECQ2 782163051200 Wurth Elektronik 1: HK$93.54 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	HK$93.54 HK$85.73 HK$78.01 HK$70.20 HK$62.39	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT 114Ohm 16Pol 7427230 Wurth Elektronik 1: HK$26.55 931In Stock 512Expected 2/11/2026	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	931In Stock 512Expected 2/11/2026	HK$26.55 HK$24.74 HK$23.43 HK$22.77 HK$21.62	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1.4mm 28Ohm @ 25MHz 74270011 Wurth Elektronik 1: HK$5.18 8,166In 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	8,166In Stock	HK$5.18 HK$4.92 HK$4.59 HK$4.28 HK$4.12	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial Ferrite Core 170 OHM 74270052 Wurth Elektronik 1: HK$9.62 2,842In 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	2,842In Stock	HK$9.62 HK$9.37 HK$9.04 HK$8.20 HK$7.81	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 80Ohm @ 25MHz 74270115 Wurth Elektronik 1: HK$49.98 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	HK$49.98 HK$49.16 HK$45.46 HK$41.84	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 41Ohm @ 25MHz 74270117 Wurth Elektronik 1: HK$5.59 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	HK$5.59 HK$5.52 HK$5.31 HK$5.10 HK$4.70	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 45Ohm @ 25MHz 74270119 Wurth Elektronik 1: HK$7.32 6,052In Stock 5,520Expected 4/12/2026	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 4/12/2026	HK$7.32 HK$7.17 HK$6.90 HK$6.64 HK$6.11	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB 208Ohm 11.1mm 74270056 Wurth Elektronik 1: HK$32.80 529In Stock 693Expected 12/2/2027	Mfr. Part No. 74270056 Mouser Part No 710-74270056	Wurth Elektronik	Ferrite Cable Cores WE-AFB 208Ohm 11.1mm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	529In Stock 693Expected 12/2/2027	HK$32.80 HK$30.58 HK$25.73 HK$24.17	Min.: 1 Mult.: 1

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