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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Type	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 30Ohm @ 25MHz 74270111 Wurth Elektronik 1: 0,937 € 8 073In Stock 5 000Expected 10/23/2026	Mfr. Part No. 74270111 Mouser Part No 710-74270111	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 30Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	8 073In Stock 5 000Expected 10/23/2026	0,937 € 0,929 € 0,894 € 0,853 € 0,786 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Bulk
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 68Ohm @ 25MHz 74270113 Wurth Elektronik 1: 1,10 € 3 762In Stock 2 944Expected 10/5/2026	Mfr. Part No. 74270113 Mouser Part No 710-74270113	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 68Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	3 762In Stock 2 944Expected 10/5/2026	1,10 € 1,08 € 1,04 € 0,998 € 0,929 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Tray
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 30Ohm @ 25MHz 74270121 Wurth Elektronik 1: 1,99 € 25In Stock	Mfr. Part No. 74270121 Mouser Part No 710-74270121	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 30Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	25In Stock	1,99 € 1,95 € 1,88 € 1,81 € 1,67 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Tray
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 99Ohm @ 25MHz 7427014 Wurth Elektronik 1: 3,15 € 932In Stock	Mfr. Part No. 7427014 Mouser Part No 710-7427014	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 99Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	932In Stock	3,15 € 2,92 € 2,63 € 2,40 € View 2,18 € 1,98 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Tray
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 56Ohm @ 25MHz 74270151 Wurth Elektronik 1: 3,76 € 1 013In Stock	Mfr. Part No. 74270151 Mouser Part No 710-74270151	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 56Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1 013In Stock	3,76 € 3,69 € 3,56 € 3,14 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Tray
Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 59Ohms 74270162 Wurth Elektronik 1: 0,507 € 1 090In Stock	Mfr. Part No. 74270162 Mouser Part No 710-74270162	Wurth Elektronik	Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 59Ohms Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1 090In Stock	0,507 € 0,483 € 0,453 € 0,423 € 0,407 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	EMI Suppression Ferrite Beads		- 25 C	+ 125 C	Tray
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 40Ohm @ 25MHz 742701707 Wurth Elektronik 1: 1,14 € 1 305In Stock	Mfr. Part No. 742701707 Mouser Part No 710-742701707	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 40Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1 305In Stock	1,14 € 1,06 € 0,963 € 0,869 € 0,789 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Bulk
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 44Ohm @ 25MHz 742701712 Wurth Elektronik 1: 0,499 € 197In Stock 1 050Expected 10/23/2026	Mfr. Part No. 742701712 Mouser Part No 710-742701712	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 44Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	197In Stock 1 050Expected 10/23/2026	0,499 € 0,458 € 0,418 € 0,379 € View 0,345 € 0,314 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Bulk
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 38Ohm @ 25MHz 74270176 Wurth Elektronik 1: 0,507 € 918In Stock 1 000Expected 12/4/2026	Mfr. Part No. 74270176 Mouser Part No 710-74270176	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 38Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	918In Stock 1 000Expected 12/4/2026	0,507 € 0,471 € 0,428 € 0,39 € View 0,354 € 0,322 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Bulk
Ferrite Toroids / Ferrite Rings WE-TOF 50Ohm@100 MHz 9.6mm 7427018 Wurth Elektronik 1: 0,98 € 38In Stock	Mfr. Part No. 7427018 Mouser Part No 710-7427018	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF 50Ohm@100 MHz 9.6mm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	38In Stock	0,98 € 0,886 € 0,783 € 0,62 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core	- 25 C	+ 125 C	Tray
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 59Ohm @ 25MHz 74270181 Wurth Elektronik 1: 0,886 € 393In Stock	Mfr. Part No. 74270181 Mouser Part No 710-74270181	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 59Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	393In Stock	0,886 € 0,869 € 0,833 € 0,801 € 0,735 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Tray
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 55Ohm @ 25MHz 74270182 Wurth Elektronik 1: 2,28 € 164In Stock 126On Order	Mfr. Part No. 74270182 Mouser Part No 710-74270182	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 55Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	164In Stock 126On Order	2,28 € 2,24 € 2,16 € 2,08 € 1,92 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	Ring Core			Tray
Ferrite Cable Cores WE-FLAT Core 25MHz 27Ohm 7427213 Wurth Elektronik 1: 2,54 € 1 009In Stock	Mfr. Part No. 7427213 Mouser Part No 710-7427213	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Core 25MHz 27Ohm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	1 009In Stock	2,54 € 2,36 € 2,13 € 1,77 € 1,61 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid				Tray
Ferrite Cable Cores WE-FLAT 53Ohms 21Pol 74272141 Wurth Elektronik 1: 1,61 € 91In Stock	Mfr. Part No. 74272141 Mouser Part No 710-74272141	Wurth Elektronik	Ferrite Cable Cores WE-FLAT 53Ohms 21Pol Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	91In Stock	1,61 € 1,50 € 1,42 € 1,31 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid		- 25 C	+ 125 C	Tray
Ferrite Cable Cores WE-FLAT 26 Poles Round 100MHz @52Ohms 7427217 Wurth Elektronik 1: 6,88 € 60In Stock	Mfr. Part No. 7427217 Mouser Part No 710-7427217	Wurth Elektronik	Ferrite Cable Cores WE-FLAT 26 Poles Round 100MHz @52Ohms Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	60In Stock	6,88 € 6,54 € 6,10 € 5,44 € 5,21 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid				Tray
Ferrite Cable Cores WE-FLAT Core 100MHz 66Ohm 7427218 Wurth Elektronik 1: 3,26 € 168In Stock	Mfr. Part No. 7427218 Mouser Part No 710-7427218	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Core 100MHz 66Ohm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	168In Stock	3,26 € 3,03 € 2,75 € 2,02 € 1,74 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid		- 25 C	+ 125 C	Tray
Ferrite Cable Cores WE-FLAT Core 100MHz 90Ohm 7427220 Wurth Elektronik 1: 2,97 € 307In Stock	Mfr. Part No. 7427220 Mouser Part No 710-7427220	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Core 100MHz 90Ohm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	307In Stock	2,97 € 2,86 € 2,62 € 2,51 € View 2,39 € 2,23 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid		- 25 C	+ 125 C	Tray
Ferrite Cable Cores WE-FLAT 13 Poles Round 100MHz @52Ohms 7427225 Wurth Elektronik 1: 1,09 € 1 281In Stock	Mfr. Part No. 7427225 Mouser Part No 710-7427225	Wurth Elektronik	Ferrite Cable Cores WE-FLAT 13 Poles Round 100MHz @52Ohms Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	1 281In Stock	1,09 € 0,998 € 0,912 € 0,826 € 0,811 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid				Tray
Ferrite Cable Cores WE-FLAT Core 100MHz 75Ohm 7427226 Wurth Elektronik 1: 1,56 € 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	1,56 € 1,52 € 1,47 € 1,41 € View 1,35 € 1,30 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid		- 25 C	+ 125 C	Tray
Ferrite Cable Cores WE-FLAT Core 100MHz 80Ohm 7427228 Wurth Elektronik 1: 3,23 € 154In Stock	Mfr. Part No. 7427228 Mouser Part No 710-7427228	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Core 100MHz 80Ohm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	154In Stock	3,23 € 3,17 € 3,05 € 2,93 € View 2,80 € 2,68 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid		- 25 C	+ 125 C	Tray
Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 40Ohms 74277233 Wurth Elektronik 1: 1,12 € 109In Stock 512Expected 10/5/2026	Mfr. Part No. 74277233 Mouser Part No 710-74277233	Wurth Elektronik	Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 40Ohms Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	109In Stock 512Expected 10/5/2026	1,12 € 1,10 € 1,06 € 0,929 € 0,877 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Ferrites	Axial Ferrite Bead	- 25 C	+ 125 C	Tray
Ferrite Cable Cores WE-FLAT Ferrite for Flexible Printed Circuit Board 7427801 Wurth Elektronik 1: 2,08 € 204In Stock	Mfr. Part No. 7427801 Mouser Part No 710-7427801	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Ferrite for Flexible Printed Circuit Board Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	204In Stock	2,08 € 2,00 € 1,87 € 1,75 € View 1,68 € 1,55 €	Min.: 1 Mult.: 1	Ferrite Cable Cores					Tray
Ferrite Cable Cores WE-FLAT 64Ohm@100MHz 11.5mm 74278011 Wurth Elektronik 1: 2,08 € 352In Stock	Mfr. Part No. 74278011 Mouser Part No 710-74278011	Wurth Elektronik	Ferrite Cable Cores WE-FLAT 64Ohm@100MHz 11.5mm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	352In Stock	2,08 € 2,00 € 1,87 € 1,75 € View 1,68 € 1,55 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid	Ferrite Bead Core	- 25 C	+ 125 C	Tray
Ferrite Cable Cores WE-FLAT Hanging Ferr Core 100MHz 80Ohms 74278031 Wurth Elektronik 1: 2,08 € 513In Stock 1 300Expected 10/23/2026	Mfr. Part No. 74278031 Mouser Part No 710-74278031	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Hanging Ferr Core 100MHz 80Ohms Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	513In Stock 1 300Expected 10/23/2026	2,08 € 2,00 € 1,87 € 1,75 € View 1,68 € 1,55 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid				Tray
Ferrite Cable Cores WE-FLAT Round 100MHz @ 74Ohms 74278032 Wurth Elektronik 1: 2,21 € 175In Stock	Mfr. Part No. 74278032 Mouser Part No 710-74278032	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Round 100MHz @ 74Ohms Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	175In Stock	2,21 € 2,12 € 1,98 € 1,85 € View 1,78 € 1,64 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Solid				Tray

EMI Suppression Ferrite Beads

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