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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Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 1Turn 100MHz @75Ohms
Datasheet
5,669May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 5 mm 9 mm 8 mm WE-TOF Bulk 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 39Ohm @ 25MHz
Datasheet
2,021May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 25.4 mm 35.6 mm 7.5 mm WE-TOF Tray 3 W 800
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 76Ohm @ 25MHz
Datasheet
12,549May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 5 mm 9.5 mm 14.5 mm WE-TOF Tray 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF EMI Suppressn 148 ohms 7.6mm
Datasheet
1,672May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 8 mm 16.5 mm 16 mm WE-TOF Tray 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF 107 Ohms
Datasheet
397May Stock
252Inaasahan 2/13/2026
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 7.1 mm 13.2 mm 12.7 mm WE-TOF Tray
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF EMI Suppressn 127ohms 7.6mm
Datasheet
2,323May Stock
378Inaasahan 2/20/2026
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 8 mm 16.5 mm 13 mm WE-TOF Tray 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 41Ohm @ 25MHz
Datasheet
4,842May Stock
5,082Inoorder
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 10 mm 14 mm 8 mm WE-TOF Tray 3 W 800
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 45Ohm @ 25MHz
Datasheet
3,849May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 13.8 mm 22.5 mm 6.4 mm WE-TOF Tray 3 W 800
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 72Ohm @ 25MHz
Datasheet
2,554May Stock
3,100Inaasahan 2/20/2026
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 16 mm 28 mm 13 mm WE-TOF Tray 3 W 800
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 35Ohm @ 25MHz
Datasheet
1,616May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 19 mm 31.7 mm 8 mm WE-TOF Tray 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 45Ohm @ 25MHz
Datasheet
1,175May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 18 mm 28 mm 7.5 mm WE-TOF Tray 3 W 800
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 55Ohm @ 25MHz
Datasheet
1,345May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 19 mm 29.5 mm 7.7 mm WE-TOF Tray 3 W 800
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 68Ohm @ 25MHz
Datasheet
392May Stock
1,888Inoorder
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 5 mm 11.5 mm 9 mm WE-TOF Tray 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 80Ohm @ 25MHz
Datasheet
551May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 19 mm 31.5 mm 16 mm WE-TOF Tray 3 W 800
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 76Ohm @ 25MHz
Datasheet
1,577May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 12.6 mm 23.5 mm 14 mm WE-TOF Tray 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 1Turn 100MHz @88Ohms
Datasheet
1,173May Stock
1,134Inaasahan 3/6/2026
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 13 mm 21 mm 12 mm WE-TOF Tray 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 30Ohm @ 25MHz
Datasheet
152May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 11.5 mm 19 mm 8 mm WE-TOF Tray 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 99Ohm @ 25MHz
Datasheet
363May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 16 mm 28 mm 20 mm WE-TOF Tray 3 W 800
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 54Ohm @ 25MHz
Datasheet
1,018May Stock
180Inaasahan 3/6/2026
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 27.4 mm 40.6 mm 15 mm WE-TOF Tray 4 W 620
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF EMI Toroidal 125 ohm 14.5mm
Datasheet
169May Stock
1,690Inaasahan 2/20/2026
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 15 mm 25 mm 12 mm WE-TOF Bulk 7 W 380
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF EMI Suppressn 100ohms 7.5mm
Datasheet
396May Stock
2,310Inoorder
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 7.9 mm 12.7 mm 6.35 mm WE-TOF Bulk 7 W 380
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 38Ohm @ 25MHz
Datasheet
889May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 5 mm 10 mm 5 mm WE-TOF Bulk 7 W 850
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 55Ohm @ 25MHz
Datasheet
152May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 10.2 mm 18.6 mm 10 mm WE-TOF Tray 4 W 1500
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 47Ohm @ 25MHz
Datasheet
149May Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 12 mm 18 mm 16 mm WE-TOF Tray 4 W 1500
Wurth Elektronik Ferrite Toroids / Ferrite Rings WE-TOF Toroidal 30Ohm @ 25MHz
Datasheet
1,564May Stock
2,000Inoorder
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids 3.3 mm 7.3 mm 4.3 mm WE-TOF Bulk 4 W 620