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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 (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Cable Cores WE-FLAT 42Ohms 23Pol 7427222 Wurth Elektronik 1: $3.90 27In Stock	Mfr. Part No. 7427222 Mouser Part No 710-7427222	Wurth Elektronik	Ferrite Cable Cores WE-FLAT 42Ohms 23Pol Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	27In Stock	$3.90 $3.63 $3.35 $3.01 $2.72	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-FLAT Core 100MHz 48Ohm 7427223 Wurth Elektronik 1: $5.67 486In Stock	Mfr. Part No. 7427223 Mouser Part No 710-7427223	Wurth Elektronik	Ferrite Cable Cores WE-FLAT Core 100MHz 48Ohm Learn More about Wurth Elektronik wurthWEFLATferrite	Datasheet	486In Stock	$5.67 $5.34 $4.99 $4.65 $4.47	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1.65mm 50Ohm @ 25MHz 74270015 Wurth Elektronik 1: $0.898 2,008In Stock 33,000On Order	Mfr. Part No. 74270015 Mouser Part No 710-74270015	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 1.65mm 50Ohm @ 25MHz Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	2,008In Stock 33,000On Order On Order Ship Dates Mfr. No: 74270015 Stock: 2,008 Can Dispatch Immediately On Order: 7,000 Expected 5/2/2027 26,000 Expected 29/3/2027 Factory Lead Time: 20 Weeks	$0.898 $0.881 $0.851 $0.823 View $0.76 $0.729	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 3.45mm 35Ohms @ 25MHz 1Turn 74270022 Wurth Elektronik 1: $1.06 3,560In Stock	Mfr. Part No. 74270022 Mouser Part No 710-74270022	Wurth Elektronik	Ferrite Cable Cores WE-SAFB 3.45mm 35Ohms @ 25MHz 1Turn Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	3,560In Stock	$1.06 $0.918 $0.811 $0.756 View $0.675 $0.647 $0.622	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 3.8mm 20Ohm @ 25MHz 742700221 Wurth Elektronik 1: $0.857 2,969In 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	2,969In Stock	$0.857 $0.813 $0.76 $0.709 $0.681	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 3.7mm 90Ohm @ 25MHz 74270023 Wurth Elektronik 1: $0.857 670In Stock 768Expected 22/1/2027	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	670In Stock 768Expected 22/1/2027	$0.857 $0.813 $0.76 $0.709 $0.681	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 2.95mm 72Ohm @ 25MHz 74270024 Wurth Elektronik 1: $0.993 1,627In 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	1,627In Stock	$0.993 $0.979 $0.947 $0.913 View $0.845 $0.812	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 4 W 620 82Ohms @ 25MHz 1Turn 74270025 Wurth Elektronik 1: $0.857 791In Stock 1,024On 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	791In Stock 1,024On Order On Order Ship Dates Mfr. No: 74270025 Stock: 791 Can Dispatch Immediately On Order: 128 Pending 896 Expected 5/2/2027 Factory Lead Time: 20 Weeks	$0.857 $0.813 $0.76 $0.709 $0.681	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 163Ohm 74270031 Wurth Elektronik 1: $0.843 3,390In Stock 11,520Expected 12/2/2027	Mfr. Part No. 74270031 Mouser Part No 710-74270031	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 163Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	3,390In Stock 11,520Expected 12/2/2027	$0.843 $0.834 $0.804 $0.748 View $0.718 $0.662	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 119Ohms 74270037 Wurth Elektronik 1: $1.29 1,947In Stock 1,792Expected 4/12/2026	Mfr. Part No. 74270037 Mouser Part No 710-74270037	Wurth Elektronik	Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 119Ohms Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	1,947In Stock 1,792Expected 4/12/2026	$1.29 $1.28 $1.23 $1.14 View $1.10 $1.01	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial Ferrite 25MHz 240Ohms 74270038 Wurth Elektronik 1: $1.39 438In Stock	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	438In Stock	$1.39 $1.37 $1.33 $1.18 $1.09	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB 45Ohms 5.3 mm 742700391 Wurth Elektronik 1: $0.381 382In 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	382In Stock	$0.381 $0.354 $0.33 $0.298 $0.28	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 180Ohm 7427004 Wurth Elektronik 1: $1.74 576In Stock 1,664Expected 22/1/2027	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	576In Stock 1,664Expected 22/1/2027	$1.74 $1.71 $1.63 $1.56 View $1.50 $1.43	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm 74270045 Wurth Elektronik 1: $1.74 984In Stock 4,992On Order	Mfr. Part No. 74270045 Mouser Part No 710-74270045	Wurth Elektronik	Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm Learn More about Wurth Elektronik wurth emi suppression ferrite beads	Datasheet	984In Stock 4,992On Order On Order Ship Dates Mfr. No: 74270045 Stock: 984 Can Dispatch Immediately On Order: 640 Pending 4,352 Expected 4/12/2026 Factory Lead Time: 20 Weeks	$1.74 $1.73 $1.66 $1.55 View $1.47 $1.36	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm 7427005 Wurth Elektronik 1: $1.59 1,397In Stock 2,304Expected 22/1/2027	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	1,397In Stock 2,304Expected 22/1/2027	$1.59 $1.55 $1.50 $1.43 View $1.36 $1.31	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 83Ohm 74270054 Wurth Elektronik 1: $1.99 1,793In Stock	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	1,793In Stock	$1.99 $1.97 $1.89 $1.77 View $1.70 $1.55	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm 74270055 Wurth Elektronik 1: $3.60 624In 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	624In Stock	$3.60 $3.52 $3.37 $3.24 $3.09	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 46Ohm 7427006 Wurth Elektronik 1: $1.16 870In Stock	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	870In Stock	$1.16 $1.11 $1.04 $0.967 $0.93	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 120Ohm 74270060 Wurth Elektronik 1: $1.74 1,293In Stock	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	1,293In Stock	$1.74 $1.71 $1.63 $1.56 View $1.50 $1.43	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 28Ohms 7427007 Wurth Elektronik 1: $1.17 1,821In Stock 110On Order	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	1,821In Stock 110On Order	$1.17 $1.16 $1.13 $1.10	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1.1mm 39Ohm @ 25MHz 742700713 Wurth Elektronik 1: $0.748 729In 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	729In Stock	$0.748 $0.737 $0.71 $0.684 $0.634	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1.8mm 25Ohm @ 25MHz 7427007141 Wurth Elektronik 1: $0.857 1,170In 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	1,170In Stock	$0.857 $0.813 $0.76 $0.709 $0.681	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 4mm 60Ohm @ 25MHz 742700727 Wurth Elektronik 1: $0.857 2,068In 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	2,068In Stock	$0.857 $0.813 $0.76 $0.709 $0.681	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-SAFB 1mm 35Ohm @ 25MHz 74270073 Wurth Elektronik 1: $0.748 320In 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	320In Stock	$0.748 $0.737 $0.71 $0.684 $0.634	Min.: 1 Mult.: 1
Ferrite Cable Cores WE-AFB Axial 25MHz 154Ohm 74270077 Wurth Elektronik 1: $3.96 2,531In 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	2,531In Stock	$3.96 $3.51 $3.06 $2.65 $2.41	Min.: 1 Mult.: 1

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EMI Suppression Ferrite Beads

Types of Passive Components