Ferrites – Mouser Chile

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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product
Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm ESD-R-38D-B KEMET 1: $11.245 1.691In Stock	Mfr. Part # ESD-R-38D-B Mouser Part # 80-ESD-R-38D-B	KEMET	Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm Learn More about KEMET emi cores	Datasheet	1.691In Stock	$11.245 $8.021 $6.710 $5.810 View $5.241 $5.229	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Clamp On Cores 53x19mm 10MHz Mn-Zn 85C ESD-SR-S47M KEMET 1: $15.927 373In Stock	Mfr. Part # ESD-SR-S47M Mouser Part # 80-ESD-SR-S47M	KEMET	Ferrite Clamp On Cores 53x19mm 10MHz Mn-Zn 85C Learn More about KEMET emi cores	Datasheet	373In Stock	$15.927 $9.240 $7.929 $7.690	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrite Clamp On Cores
Ferrite Clamp On Cores 6x18.5x14mm Ni-Zn 65C ESD-SR-S10 KEMET 1: $3.030 6.152In Stock	Mfr. Part # ESD-SR-S10 Mouser Part # 80-ESD-SR-S10	KEMET	Ferrite Clamp On Cores 6x18.5x14mm Ni-Zn 65C Learn More about KEMET emi cores	Datasheet	6.152In Stock	$3.030 $2.017 $1.720 $1.527 View $1.333 $1.162 $1.056 $996	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrite Clamp On Cores
Ferrite Cable Cores Ferrite Bead Core EMI 1mm B-20L-25 KEMET 1: $251 52.517In Stock	Mfr. Part # B-20L-25 Mouser Part # 80-B-20L-25	KEMET	Ferrite Cable Cores Ferrite Bead Core EMI 1mm Learn More about KEMET Kemet EMI Cores	Datasheet	52.517In Stock	$251 $181 $154 $132 View $116 $115 $103 $84,3	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores Ferrite Bead Core EMI 1.6mm B-20L-44 KEMET 1: $216 47.031In Stock	Mfr. Part # B-20L-44 Mouser Part # 80-B-20L-44	KEMET	Ferrite Cable Cores Ferrite Bead Core EMI 1.6mm Learn More about KEMET Kemet EMI Cores	Datasheet	47.031In Stock	$216 $164 $144 $128 View $116 $105 $94,6 $79,7	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Cable Cores 56x2mm Split Core Ni-Zn for Flat Cable ESD-FPD-40-1 KEMET 1: $11.165 364In Stock	Mfr. Part # ESD-FPD-40-1 Mouser Part # 80-ESD-FPD-40-1	KEMET	Ferrite Cable Cores 56x2mm Split Core Ni-Zn for Flat Cable Learn More about KEMET emi cores	Datasheet	364In Stock	$11.165 $7.519 $6.300 $5.457 $4.842	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Split
Ferrite Cable Cores Ferrite Bead Core EMI 0.8mm B-20L-34 KEMET 1: $399 27.395In Stock	Mfr. Part # B-20L-34 Mouser Part # 80-B-20L-34	KEMET	Ferrite Cable Cores Ferrite Bead Core EMI 0.8mm Learn More about KEMET Kemet EMI Cores	Datasheet	27.395In Stock	$399 $279 $216 $193 View $164 $138 $124 $99,1	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid
Ferrite Toroids / Ferrite Rings 6mm ESD-R-12D KEMET 1: $2.324 1.895In Stock	Mfr. Part # ESD-R-12D Mouser Part # 80-ESD-R-12D	KEMET	Ferrite Toroids / Ferrite Rings 6mm Learn More about KEMET emi cores	Datasheet	1.895In Stock	$2.324 $1.595 $1.379 $1.219 View $1.065 $884 $769	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 8.8mm ESD-R-19B KEMET 1: $3.247 672In Stock	Mfr. Part # ESD-R-19B Mouser Part # 80-ESD-R-19B	KEMET	Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 8.8mm Learn More about KEMET emi cores	Datasheet	672In Stock	$3.247 $2.233 $1.914 $1.686 View $1.470 $1.219 $1.139	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Toroids / Ferrite Rings 10.5mm ESD-R-15C KEMET 1: $1.492 100In Stock 800Expected 4/13/2027	Mfr. Part # ESD-R-15C Mouser Part # 80-ESD-R-15C	KEMET	Ferrite Toroids / Ferrite Rings 10.5mm Learn More about KEMET emi cores	Datasheet	100In Stock 800Expected 4/13/2027	$1.492 $1.037 $887 $785 View $702 $567 $508	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Toroids / Ferrite Rings 48.5x26x16mm Mn-Zn Coated ESD-R-47-P KEMET 1: $14.503 188In Stock	Mfr. Part # ESD-R-47-P Mouser Part # 80-ESD-R-47-P	KEMET	Ferrite Toroids / Ferrite Rings 48.5x26x16mm Mn-Zn Coated Learn More about KEMET emi cores	Datasheet	188In Stock	$14.503 $9.103 $7.724 $6.927 View $6.779 $6.357	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Clamp On Cores 31.5x13x38mm Ni-Zn Snap-on ESD-SR-250G KEMET 1: $9.695 241In Stock	Mfr. Part # ESD-SR-250G Mouser Part # 80-ESD-SR-250G	KEMET	Ferrite Clamp On Cores 31.5x13x38mm Ni-Zn Snap-on Learn More about KEMET emi cores	Datasheet	241In Stock	$9.695 $6.539 $5.503 $4.591 View $4.363 $4.090	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Snap On Cores
Ferrite Clamp On Cores 15.5x18.5mm 300MHz Mn-Zn 85C ESD-SR-S10M KEMET 1: $5.617 534In Stock	Mfr. Part # ESD-SR-S10M Mouser Part # 80-ESD-SR-S10M	KEMET	Ferrite Clamp On Cores 15.5x18.5mm 300MHz Mn-Zn 85C Learn More about KEMET emi cores	Datasheet	534In Stock	$5.617 $3.851 $3.270 $2.871 View $2.495 $2.370 $2.358	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrite Clamp On Cores
Ferrite Toroids / Ferrite Rings 15x5x9mm 10MHz Mn-Zn 120C ESD-R-12M-H KEMET 1: $1.618 2.486In Stock	Mfr. Part # ESD-R-12M-H Mouser Part # 80-ESD-R-12M-H	KEMET	Ferrite Toroids / Ferrite Rings 15x5x9mm 10MHz Mn-Zn 120C Learn More about KEMET emi cores	Datasheet	2.486In Stock	$1.618 $1.093 $958 $856 View $768 $631 $582 $539	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Toroids / Ferrite Rings 6.2mm ESD-R-14A KEMET 1: $980 4.679In Stock	Mfr. Part # ESD-R-14A Mouser Part # 80-ESD-R-14A	KEMET	Ferrite Toroids / Ferrite Rings 6.2mm Learn More about KEMET emi cores	Datasheet	4.679In Stock	$980 $684 $590 $524 View $464 $391 $338 $314 $298	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Toroids / Ferrite Rings 29x12.7x16mm 300MHz Ni-Zn 120C ESD-R-25N-H KEMET 1: $3.919 928In Stock	Mfr. Part # ESD-R-25N-H Mouser Part # 80-ESD-R-25N-H	KEMET	Ferrite Toroids / Ferrite Rings 29x12.7x16mm 300MHz Ni-Zn 120C Learn More about KEMET emi cores	Datasheet	928In Stock	$3.919 $2.700 $2.290 $2.005 View $1.743 $1.527 $1.504 $1.413	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Toroids / Ferrite Rings 19x10.7x5.3mm Ni-Zn Coated ESD-R-19E-1 KEMET 1: $4.455 603In Stock	Mfr. Part # ESD-R-19E-1 Mouser Part # 80-ESD-R-19E-1	KEMET	Ferrite Toroids / Ferrite Rings 19x10.7x5.3mm Ni-Zn Coated Learn More about KEMET emi cores	Datasheet	603In Stock	$4.455 $3.053 $2.598 $2.073 View $1.777 $1.641	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Toroids / Ferrite Rings 61x33.2x25mm 300MHz Ni-Zn 120C ESD-R-57N-H KEMET 1: $25.098 57In Stock	Mfr. Part # ESD-R-57N-H Mouser Part # 80-ESD-R-57N-H	KEMET	Ferrite Toroids / Ferrite Rings 61x33.2x25mm 300MHz Ni-Zn 120C Learn More about KEMET emi cores	Datasheet	57In Stock	$25.098 $15.870 $13.888 $13.443 $12.600	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids
Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 7x37.4x19.6x20.3mm ESD-SR-190736X-R1 KEMET 1: $4.398 924In Stock	Mfr. Part # ESD-SR-190736X-R1 Mouser Part # 80-ESD-SR-190736X-R1	KEMET	Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 7x37.4x19.6x20.3mm Learn More about KEMET emi cores	Datasheet	924In Stock	$4.398 $3.019 $2.563 $2.256 View $1.960 $1.857	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	EMI Cores
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-220814XH-R1 KEMET 1: $2.586 602In Stock	Mfr. Part # ESD-R-220814XH-R1 Mouser Part # 80-ESD-R-220814XH-R1	KEMET	Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 Learn More about KEMET emi cores	Datasheet	602In Stock	$2.586 $1.777 $1.527 $1.344 View $1.173 $998	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores
Ferrite Toroids / Ferrite Rings Bare,Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability 10H ESD-R-25SH KEMET 1: $2.905 680In Stock	Mfr. Part # ESD-R-25SH Mouser Part # 80-ESD-R-25SH	KEMET	Ferrite Toroids / Ferrite Rings Bare,Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability 10H Learn More about KEMET emi cores		680In Stock	$2.905 $2.005 $1.709 $1.504 View $1.424 $1.322 $1.310	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores
Ferrite Toroids / Ferrite Rings Toroidal,Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H ESD-R-25SR KEMET 1: $5.138 200In Stock	Mfr. Part # ESD-R-25SR Mouser Part # 80-ESD-R-25SR	KEMET	Ferrite Toroids / Ferrite Rings Toroidal,Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H Learn More about KEMET emi cores	Datasheet	200In Stock	$5.138 $3.520 $2.985 $2.620 View $2.267 $2.233	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores
Ferrite Toroids / Ferrite Rings Coated Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H ESD-R-25SR-P KEMET 1: $6.505 76In Stock	Mfr. Part # ESD-R-25SR-P Mouser Part # 80-ESD-R-25SR-P	KEMET	Ferrite Toroids / Ferrite Rings Coated Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H Learn More about KEMET emi cores	Datasheet	76In Stock	$6.505 $4.432 $3.748 $3.349 View $3.315 $3.304 $3.281	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-291216XH-R1 KEMET 1: $3.646 319In Stock	Mfr. Part # ESD-R-291216XH-R1 Mouser Part # 80-ESD-R-291216XH-R1	KEMET	Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 Learn More about KEMET emi cores	Datasheet	319In Stock	$3.646 $2.518 $2.142 $1.880 View $1.641 $1.492	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores
Ferrite Toroids / Ferrite Rings Toroidal w/case Nanocrystal Low Frequency 150kHz Ring -40/+120C UL94 V-0 ESD-R-412119H-NC23 KEMET 1: $20.256 79In Stock 120Expected 4/27/2027	Mfr. Part # ESD-R-412119H-NC23 Mouser Part # 80-ESD-R-412119HNC23	KEMET	Ferrite Toroids / Ferrite Rings Toroidal w/case Nanocrystal Low Frequency 150kHz Ring -40/+120C UL94 V-0 Learn More about KEMET emi cores	Datasheet	79In Stock 120Expected 4/27/2027	$20.256 $13.375 $12.612 $12.600	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores

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