EMI Cores

KEMET EMI Cores provide high-frequency noise suppression in electronic circuits. There are two ferrite material options for KEMET EMI Cores, namely Nickel-Zinc (NiZn) and Manganese Zinc (MnZn). The NiZn core material is typically effective for theMHz band range (FM-band frequencies), whereas the MnZn core material is typically effective for the kHz band range (AM-band frequencies). The MnZn core material offers a lower resistance compared to the NiZn and hence adequate insulation is required before use (recommended to measure the actual frequency-range effectiveness in the target application). The effective frequency range varies depending on core shape, size, and the number of turns.

Results: 175
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Product
KEMET Ferrite Toroids / Ferrite Rings Snap-on Ni-Zn High Frequency FM Band Split UL94 V-0 HR1 1,297In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Toroids / Ferrite Rings Snap-on Ni-Zn High Frequency FM Band Split UL94 V-0 HR1 1,020In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Toroids / Ferrite Rings Snap-on Ni-Zn High Frequency FM Band Split UL94 V-0 HR1 43In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 627In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Toroids / Ferrite Rings Bare,Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability 10H 692In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Toroids / Ferrite Rings Toroidal,Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H 143In Stock
300Expected 2026/07/23
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 334In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 236In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal,Mn-Zn -40/+120C UL94 V-0 HR1 108In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 71In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Cable Cores Ferrite Bead Core EMI 1mm 53,980In Stock
Min.: 1
Mult.: 1

Ferrite Cable Cores Round Cable Cores Solid
KEMET Ferrite Cable Cores Ferrite Bead Core EMI 2.4mm 41,098In Stock
Min.: 1
Mult.: 1

Ferrite Cable Cores Round Cable Cores Solid
KEMET Ferrite Cable Cores Ferrite Bead Core EMI 4.8mm 10,237In Stock
Min.: 1
Mult.: 1

Ferrite Cable Cores Round Cable Cores Solid
KEMET Ferrite Cable Cores 14x1mm Bare Ni-Zn for Flat Cable 1,235In Stock
Min.: 1
Mult.: 1

Ferrite Cable Cores Flat Ribbon Cable Cores Solid
KEMET Ferrite Cable Cores Solid Core Flat 27mm Cable 1,187In Stock
Min.: 1
Mult.: 1

Ferrite Cable Cores Flat Ribbon Cable Cores Solid
KEMET Ferrite Toroids / Ferrite Rings 5mm 11,175In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids
KEMET Ferrite Toroids / Ferrite Rings 25.5mm 335In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids
KEMET Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 25.5mm 238In Stock
180Expected 2026/08/05
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings Toroids
KEMET Ferrite Clamp On Cores 7x37.4x20.3mm Ni-Zn 65C 918In Stock
3,850On Order
Min.: 1
Mult.: 1

Ferrite Clamp On Cores Ferrite Clamp On Cores
KEMET Ferrite Clamp On Cores 8x20.5x20mm Ni-Zn 65C 2,303In Stock
1,960Expected 2026/04/27
Min.: 1
Mult.: 1

Ferrite Clamp On Cores Ferrite Clamp On Cores
KEMET Ferrite Toroids / Ferrite Rings Snap-on Ni-Zn High Frequency FM Band Split UL94 V-0 HR1 10In Stock
Min.: 1
Mult.: 1

Ferrite Toroids / Ferrite Rings EMI Cores
KEMET Ferrite Cable Cores 4.8x2.4mm 300MHz Ni-Zn Bare 807In Stock
30,000Expected 2026/04/20
Min.: 1
Mult.: 1

Ferrite Cable Cores Round Cable Cores Solid
KEMET Ferrite Cable Cores Split Core Flat 48.3mm Cable 97In Stock
360On Order
Min.: 1
Mult.: 1

Ferrite Cable Cores Flat Ribbon Cable Cores Split
KEMET Ferrite Cable Cores 68.6x2mm Split Core Ni-Zn for Flat Cable 91In Stock
120Expected 2026/04/20
Min.: 1
Mult.: 1

Ferrite Cable Cores Flat Ribbon Cable Cores Split
KEMET Ferrite Cable Cores Solid Core Flat 18.8mm Cable 660In Stock
Min.: 1
Mult.: 1

Ferrite Cable Cores Flat Ribbon Cable Cores Solid