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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
Ferrite Cable Cores WE-SAFB 3.8mm 20Ohm @ 25MHz 742700221 Wurth Elektronik 1: 0,542 € 3.984In Stock	Mfr. Part No. 742700221 Mouser Part No 710-742700221	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 3.8mm 20Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	3.984In Stock	0,542 € 0,514 € 0,481 € 0,448 € 0,431 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-SAFB 3.7mm 90Ohm @ 25MHz 74270023 Wurth Elektronik 1: 0,542 € 947In Stock	Mfr. Part No. 74270023 Mouser Part No 710-74270023	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 3.7mm 90Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	947In Stock	0,542 € 0,514 € 0,481 € 0,448 € 0,431 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-SAFB 2.95mm 72Ohm @ 25MHz 74270024 Wurth Elektronik 1: 0,628 € 2.147In Stock	Mfr. Part No. 74270024 Mouser Part No 710-74270024	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 2.95mm 72Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	2.147In Stock	0,628 € 0,619 € 0,599 € 0,577 € View 0,534 € 0,513 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-SAFB 4 W 620 82Ohms @ 25MHz 1Turn 74270025 Wurth Elektronik 1: 0,542 € 1.377In Stock 1.408On Order	Mfr. Part No. 74270025 Mouser Part No 710-74270025	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 4 W 620 82Ohms @ 25MHz 1Turn Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1.377In Stock 1.408On Order On Order Ship Dates Mfr. No: 74270025 Stock: 1.377 Can Dispatch Immediately On Order: 128 Pending 1.280 Expected 10/23/2026 Factory Lead Time: 20 Weeks	0,542 € 0,514 € 0,481 € 0,448 € 0,431 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB Axial Ferrite 25MHz 240Ohms 74270038 Wurth Elektronik 1: 0,877 € 287In Stock 256Expected 10/23/2026	Mfr. Part No. 74270038 Mouser Part No 710-74270038	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial Ferrite 25MHz 240Ohms Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	287In Stock 256Expected 10/23/2026	0,877 € 0,869 € 0,839 € 0,748 € 0,689 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB 45Ohms 5.3 mm 742700391 Wurth Elektronik 1: 0,241 € 402In Stock	Mfr. Part No. 742700391 Mouser Part No 710-742700391	Wurth Elektronik	Ferrite Cable Cores WE-AFB 45Ohms 5.3 mm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	402In Stock	0,241 € 0,224 € 0,209 € 0,188 € 0,177 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	EMI Suppression Axial Ferrite Beads
Ferrite Cable Cores WE-AFB Axial 25MHz 180Ohm 7427004 Wurth Elektronik 1: 1,10 € 1.226In Stock 768Expected 10/2/2026	Mfr. Part No. 7427004 Mouser Part No 710-7427004	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 180Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1.226In Stock 768Expected 10/2/2026	1,10 € 1,08 € 1,03 € 0,989 € View 0,946 € 0,903 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm 7427005 Wurth Elektronik 1: 1,01 € 1.945In Stock 2.944On Order	Mfr. Part No. 7427005 Mouser Part No 710-7427005	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1.945In Stock 2.944On Order On Order Ship Dates Mfr. No: 7427005 Stock: 1.945 Can Dispatch Immediately On Order: 640 Expected 10/16/2026 2.304 Expected 12/11/2026 Factory Lead Time: 20 Weeks	1,01 € 0,98 € 0,946 € 0,903 € View 0,858 € 0,826 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB Axial 25MHz 83Ohm 74270054 Wurth Elektronik 1: 1,26 € 1.517In Stock 760On Order	Mfr. Part No. 74270054 Mouser Part No 710-74270054	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 83Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1.517In Stock 760On Order On Order Ship Dates Mfr. No: 74270054 Stock: 1.517 Can Dispatch Immediately On Order: 4 Pending 756 Expected 10/26/2026 Factory Lead Time: 20 Weeks	1,26 € 1,25 € 1,20 € 1,12 € View 1,08 € 0,98 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm 74270055 Wurth Elektronik 1: 2,28 € 636In Stock	Mfr. Part No. 74270055 Mouser Part No 710-74270055	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	636In Stock	2,28 € 2,23 € 2,13 € 2,05 € 1,95 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB Axial 25MHz 46Ohm 7427006 Wurth Elektronik 1: 0,731 € 742In Stock 128Expected 10/23/2026	Mfr. Part No. 7427006 Mouser Part No 710-7427006	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 46Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	742In Stock 128Expected 10/23/2026	0,731 € 0,701 € 0,655 € 0,611 € 0,588 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB Axial 25MHz 120Ohm 74270060 Wurth Elektronik 1: 1,10 € 336In Stock 1.008On Order	Mfr. Part No. 74270060 Mouser Part No 710-74270060	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 120Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	336In Stock 1.008On Order On Order Ship Dates Mfr. No: 74270060 Stock: 336 Can Dispatch Immediately On Order: 378 Expected 10/2/2026 630 Expected 2/1/2027 Factory Lead Time: 20 Weeks	1,10 € 1,08 € 1,03 € 0,989 € View 0,946 € 0,903 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 50Ohms 74270063 Wurth Elektronik 1: 1,98 € 936In Stock 640Expected 10/2/2026	Mfr. Part No. 74270063 Mouser Part No 710-74270063	Wurth Elektronik	Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 50Ohms Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	936In Stock 640Expected 10/2/2026	1,98 € 1,63 € 1,50 € 1,37 € 1,21 €	Min.: 1 Mult.: 1	Ferrite Cable Cores
Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 28Ohms 7427007 Wurth Elektronik 1: 0,74 € 341In Stock 1.650Expected 10/2/2026	Mfr. Part No. 7427007 Mouser Part No 710-7427007	Wurth Elektronik	Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 28Ohms Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	341In Stock 1.650Expected 10/2/2026	0,74 € 0,731 € 0,715 € 0,697 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-SAFB 1.1mm 39Ohm @ 25MHz 742700713 Wurth Elektronik 1: 0,473 € 779In Stock	Mfr. Part No. 742700713 Mouser Part No 710-742700713	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 1.1mm 39Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	779In Stock	0,473 € 0,466 € 0,449 € 0,433 € 0,401 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-SAFB 1.8mm 25Ohm @ 25MHz 7427007141 Wurth Elektronik 1: 0,542 € 1.300In Stock	Mfr. Part No. 7427007141 Mouser Part No 710-7427007141	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 1.8mm 25Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1.300In Stock	0,542 € 0,514 € 0,481 € 0,448 € 0,431 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-SAFB 3.6mm 144Ohm @ 25MHz 742700726 Wurth Elektronik 1: 0,542 € 3.038In Stock 9.800On Order	Mfr. Part No. 742700726 Mouser Part No 710-742700726	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 3.6mm 144Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	3.038In Stock 9.800On Order On Order Ship Dates Mfr. No: 742700726 Stock: 3.038 Can Dispatch Immediately On Order: 3.400 Expected 10/30/2026 6.400 Expected 11/27/2026 Factory Lead Time: 18 Weeks	0,542 € 0,514 € 0,481 € 0,448 € 0,431 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-SAFB 4mm 60Ohm @ 25MHz 742700727 Wurth Elektronik 1: 0,542 € 2.138In Stock	Mfr. Part No. 742700727 Mouser Part No 710-742700727	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 4mm 60Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	2.138In Stock	0,542 € 0,514 € 0,481 € 0,448 € 0,431 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-SAFB 1mm 35Ohm @ 25MHz 74270073 Wurth Elektronik 1: 0,473 € 420In Stock	Mfr. Part No. 74270073 Mouser Part No 710-74270073	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 1mm 35Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	420In Stock	0,473 € 0,466 € 0,449 € 0,433 € 0,401 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB Axial 25MHz 154Ohm 74270077 Wurth Elektronik 1: 2,50 € 2.701In Stock	Mfr. Part No. 74270077 Mouser Part No 710-74270077	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 154Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	2.701In Stock	2,50 € 2,22 € 1,94 € 1,68 € 1,52 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB Axial 25MHz 120Ohm 742700781 Wurth Elektronik 1: 1,06 € 859In Stock 550Expected 10/19/2026	Mfr. Part No. 742700781 Mouser Part No 710-742700781	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 120Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	859In Stock 550Expected 10/19/2026	1,06 € 1,02 € 0,937 € 0,903 €	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores WE-AFB 110Ohm@100MHz 74270094 Wurth Elektronik 1: 1,87 € 155In Stock	Mfr. Part No. 74270094 Mouser Part No 710-74270094	Wurth Elektronik	Ferrite Cable Cores WE-AFB 110Ohm@100MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	155In Stock	1,87 € 1,42 € 1,32 € 1,23 € 1,13 €	Min.: 1 Mult.: 1	Ferrite Cable Cores
Ferrite Toroids / Ferrite Rings WE-TOF EMI Suppressn 148 ohms 7.6mm 7427011 Wurth Elektronik 1: 1,18 € 560In Stock 630Expected 10/2/2026	Mfr. Part No. 7427011 Mouser Part No 710-7427011	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF EMI Suppressn 148 ohms 7.6mm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	560In Stock 630Expected 10/2/2026	1,18 € 1,02 € 1,01 € 0,853 € 0,689 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 47Ohm @ 25MHz 74270110 Wurth Elektronik 1: 1,63 € 217In Stock	Mfr. Part No. 74270110 Mouser Part No 710-74270110	Wurth Elektronik	Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 47Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	217In Stock	1,63 € 1,62 € 1,55 € 1,49 € 1,36 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 30Ohm @ 25MHz 74270111 Wurth Elektronik 1: 0,937 € 8.299In Stock 5.000Expected 10/2/2026	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	8.299In Stock 5.000Expected 10/2/2026	0,937 € 0,929 € 0,894 € 0,853 € 0,786 €	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids

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