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.

Types of Passive Components

Change category view
Results: 178
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Wurth Elektronik Ferrite Cable Cores WE-SAFB 3.8mm 20Ohm @ 25MHz 3,984In Stock
$0.63
$0.598
$0.559
$0.521
$0.501
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-SAFB 3.7mm 90Ohm @ 25MHz 947In Stock
$0.63
$0.598
$0.559
$0.521
$0.501
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-SAFB 2.95mm 72Ohm @ 25MHz 2,147In Stock
$0.73
$0.72
$0.696
$0.671
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-SAFB 4 W 620 82Ohms @ 25MHz 1Turn 1,377In Stock
1,408On Order
$0.63
$0.598
$0.559
$0.521
$0.501
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB Axial Ferrite 25MHz 240Ohms 287In Stock
256Expected 23/10/2026
$1.02
$1.01
$0.975
$0.87
$0.801
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB 45Ohms 5.3 mm 402In Stock
$0.28
$0.26
$0.243
$0.219
$0.206
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB Axial 25MHz 180Ohm 1,226In Stock
768Expected 02/10/2026
$1.28
$1.26
$1.20
$1.15
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm 1,945In Stock
2,944On Order
$1.17
$1.14
$1.10
$1.05
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB Axial 25MHz 83Ohm 1,517In Stock
760On Order
$1.46
$1.45
$1.39
$1.30
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB Axial 25MHz 133Ohm 636In Stock
$2.65
$2.59
$2.48
$2.38
$2.27
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB Axial 25MHz 46Ohm 742In Stock
128Expected 23/10/2026
$0.85
$0.815
$0.762
$0.711
$0.684
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB Axial 25MHz 120Ohm 336In Stock
1,008On Order
$1.28
$1.26
$1.20
$1.15
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 50Ohms 936In Stock
640Expected 02/10/2026
$2.30
$1.89
$1.74
$1.59
$1.41
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB 1 Turn Axial 25MHz @ 28Ohms 341In Stock
1,650Expected 02/10/2026
$0.86
$0.85
$0.831
$0.811
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-SAFB 1.1mm 39Ohm @ 25MHz 779In Stock
$0.55
$0.542
$0.522
$0.503
$0.466
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-SAFB 1.8mm 25Ohm @ 25MHz 1,300In Stock
$0.63
$0.598
$0.559
$0.521
$0.501
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-SAFB 3.6mm 144Ohm @ 25MHz 3,038In Stock
9,800On Order
$0.63
$0.598
$0.559
$0.521
$0.501
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-SAFB 4mm 60Ohm @ 25MHz 2,138In Stock
$0.63
$0.598
$0.559
$0.521
$0.501
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-SAFB 1mm 35Ohm @ 25MHz 420In Stock
$0.55
$0.542
$0.522
$0.503
$0.466
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB Axial 25MHz 154Ohm 2,701In Stock
$2.91
$2.58
$2.25
$1.95
$1.77
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB Axial 25MHz 120Ohm 859In Stock
550Expected 19/10/2026
$1.23
$1.19
$1.09
$1.05
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Cable Cores WE-AFB 110Ohm@100MHz 155In Stock
$2.18
$1.65
$1.53
$1.43
$1.31
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF EMI Suppressn 148 ohms 7.6mm 560In Stock
630Expected 02/10/2026
$1.37
$1.19
$1.17
$0.992
$0.801
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 30Ohm @ 25MHz 8,299In Stock
5,000Expected 02/10/2026
$1.09
$1.08
$1.04
$0.992
$0.914
Min.: 1
Mult.: 1
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 68Ohm @ 25MHz 3,762In Stock
2,944Expected 02/10/2026
$1.28
$1.26
$1.21
$1.16
$1.08
Min.: 1
Mult.: 1