Passive Components – Mouser Israel

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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Ferrite Clamp On Cores 15.5x18.5mm 300MHz Mn-Zn 85C ESD-SR-S10M KEMET 1: $4.88 741In Stock	Mfr. Part No. ESD-SR-S10M Mouser Part No 80-ESD-SR-S10M	KEMET	Ferrite Clamp On Cores 15.5x18.5mm 300MHz Mn-Zn 85C Learn More about KEMET emi cores	Datasheet	741In Stock	$4.88 $3.07 $2.68 $2.08 $2.07	Min.: 1 Mult.: 1 Max.: 3,200
Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm ESD-R-38D-B KEMET 1: $9.39 1,691In Stock	Mfr. Part No. ESD-R-38D-B Mouser Part No 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	$9.39 $5.89 $5.10 $4.60 $4.59	Min.: 1 Mult.: 1
Ferrite Cable Cores Ferrite Bead Core EMI 0.8mm B-20L-34 KEMET 1: $0.35 27,395In Stock	Mfr. Part No. B-20L-34 Mouser Part No 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	$0.35 $0.19 $0.144 $0.119 View $0.108 $0.107 $0.087 $0.086	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings 6mm ESD-R-12D KEMET 1: $2.04 1,895In Stock	Mfr. Part No. ESD-R-12D Mouser Part No 80-ESD-R-12D	KEMET	Ferrite Toroids / Ferrite Rings 6mm Learn More about KEMET emi cores	Datasheet	1,895In Stock	$2.04 $1.21 $1.07 $0.775 $0.675	Min.: 1 Mult.: 1
Ferrite Clamp On Cores 6x33x16.4mm Ni-Zn 65C ESD-SR-120 KEMET 1: $3.24 4,340In Stock	Mfr. Part No. ESD-SR-120 Mouser Part No 80-ESD-SR-120	KEMET	Ferrite Clamp On Cores 6x33x16.4mm Ni-Zn 65C Learn More about KEMET emi cores	Datasheet	4,340In Stock	$3.24 $2.08 $1.91 $1.36 View $1.35 $1.29	Min.: 1 Mult.: 1 Max.: 2,800
Ferrite Clamp On Cores 53x19mm 10MHz Mn-Zn 85C ESD-SR-S47M KEMET 1: $13.79 373In Stock	Mfr. Part No. ESD-SR-S47M Mouser Part No 80-ESD-SR-S47M	KEMET	Ferrite Clamp On Cores 53x19mm 10MHz Mn-Zn 85C Learn More about KEMET emi cores	Datasheet	373In Stock	$13.79 $8.10 $6.75 $6.74	Min.: 1 Mult.: 1
Ferrite Cable Cores Ferrite Bead Core EMI 1mm B-20L-25 KEMET 1: $0.20 52,517In Stock	Mfr. Part No. B-20L-25 Mouser Part No 80-B-20L-25	KEMET	Ferrite Cable Cores Ferrite Bead Core EMI 1mm Learn More about KEMET Kemet EMI Cores	Datasheet	52,517In Stock	$0.20 $0.127 $0.099 $0.093 View $0.089 $0.074 $0.073	Min.: 1 Mult.: 1 Max.: 60,000
Ferrite Cable Cores Ferrite Bead Core EMI 1.6mm B-20L-44 KEMET 1: $0.15 48,566In Stock	Mfr. Part No. B-20L-44 Mouser Part No 80-B-20L-44	KEMET	Ferrite Cable Cores Ferrite Bead Core EMI 1.6mm Learn More about KEMET Kemet EMI Cores	Datasheet	48,566In Stock	$0.15 $0.106 $0.096 $0.091 View $0.085 $0.078 $0.07	Min.: 1 Mult.: 1 Max.: 20,000
Ferrite Cable Cores 56x2mm Split Core Ni-Zn for Flat Cable ESD-FPD-40-1 KEMET 1: $9.73 364In Stock	Mfr. Part No. ESD-FPD-40-1 Mouser Part No 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	$9.73 $5.52 $4.78 $4.25 View $4.24 $4.19 Quote	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 8.8mm ESD-R-19B KEMET 1: $2.85 673In Stock	Mfr. Part No. ESD-R-19B Mouser Part No 80-ESD-R-19B	KEMET	Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 8.8mm Learn More about KEMET emi cores	Datasheet	673In Stock	$2.85 $1.68 $1.48 $1.07 $1.00	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings 29x12.7x16mm 300MHz Ni-Zn 120C ESD-R-25N-H KEMET 1: $3.44 928In Stock	Mfr. Part No. ESD-R-25N-H Mouser Part No 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	$3.44 $2.01 $1.76 $1.26 $1.24	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings 61x33.2x25mm 300MHz Ni-Zn 120C ESD-R-57N-H KEMET 1: $20.77 57In Stock	Mfr. Part No. ESD-R-57N-H Mouser Part No 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	$20.77 $11.45 $11.06 Quote Quote	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings 15x5x9mm 10MHz Mn-Zn 120C ESD-R-12M-H KEMET 1: $1.42 2,486In Stock	Mfr. Part No. ESD-R-12M-H Mouser Part No 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	$1.42 $0.74 $0.532 $0.483 View $0.448 $0.443	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings 19x10.7x5.3mm Ni-Zn Coated ESD-R-19E-1 KEMET 1: $3.91 615In Stock	Mfr. Part No. ESD-R-19E-1 Mouser Part No 80-ESD-R-19E-1	KEMET	Ferrite Toroids / Ferrite Rings 19x10.7x5.3mm Ni-Zn Coated Learn More about KEMET emi cores	Datasheet	615In Stock	$3.91 $2.28 $1.82 $1.44	Min.: 1 Mult.: 1
Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 7x37.4x19.6x20.3mm ESD-SR-190736X-R1 KEMET 1: $3.86 942In Stock	Mfr. Part No. ESD-SR-190736X-R1 Mouser Part No 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	942In Stock	$3.86 $2.25 $1.98 $1.89 View $1.88 $1.75	Min.: 1 Mult.: 1 Max.: 1,600
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-220814XH-R1 KEMET 1: $2.27 602In Stock	Mfr. Part No. ESD-R-220814XH-R1 Mouser Part No 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	$2.27 $1.35 $1.19 $1.03 View $1.02 $0.959 $0.927 $0.899	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings Bare,Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability 10H ESD-R-25SH KEMET 1: $2.55 682In Stock	Mfr. Part No. ESD-R-25SH Mouser Part No 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		682In Stock	$2.55 $1.50 $1.32 $1.31 View $1.28 $1.21	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings Toroidal,Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H ESD-R-25SR KEMET 1: $4.51 200In Stock	Mfr. Part No. ESD-R-25SR Mouser Part No 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	$4.51 $2.62 $2.30 $2.22 View $2.21 $2.10 $2.05 $2.00 Quote	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings Coated Toroidal Mn-Zn Low Frequency AM Band 150kHz Ring High permeability S15H ESD-R-25SR-P KEMET 1: $5.71 76In Stock	Mfr. Part No. ESD-R-25SR-P Mouser Part No 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	$5.71 $3.29 $2.94 $2.93	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-291216XH-R1 KEMET 1: $3.05 319In Stock	Mfr. Part No. ESD-R-291216XH-R1 Mouser Part No 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	$3.05 $1.79 $1.57 $1.41 $1.40	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings Toroidal w/case Nanocrystal Low Frequency 150kHz Ring -40/+120C UL94 V-0 ESD-R-412119H-NC23 KEMET 1: $17.78 83In Stock 120Expected 27/04/2027	Mfr. Part No. ESD-R-412119H-NC23 Mouser Part No 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	83In Stock 120Expected 27/04/2027	$17.78 $11.20	Min.: 1 Mult.: 1 Max.: 480
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-421617XH-R1 KEMET 1: $5.79 226In Stock	Mfr. Part No. ESD-R-421617XH-R1 Mouser Part No 80-ESD-R-421617XH-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	226In Stock	$5.79 $3.33 $2.91 $2.78 View $2.77 $2.73 $2.64 Quote	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal,Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-512419XH-R1 KEMET 1: $8.10 78In Stock	Mfr. Part No. ESD-R-512419XH-R1 Mouser Part No 80-ESD-R-512419XH-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	78In Stock	$8.10 $4.63 $4.02 $4.01 View $4.00 Quote	Min.: 1 Mult.: 1
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-613325XH-R1 KEMET 1: $20.42 70In Stock	Mfr. Part No. ESD-R-613325XH-R1 Mouser Part No 80-ESD-R-613325XH-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	70In Stock	$20.42 $13.52 $13.51	Min.: 1 Mult.: 1
Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 5x28x14.4x14.2mm ESD-SR-130527X-R1 KEMET 1: $2.73 1,210In Stock	Mfr. Part No. ESD-SR-130527X-R1 Mouser Part No 80-ESD-SR-130527X-R1	KEMET	Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 5x28x14.4x14.2mm Learn More about KEMET emi cores	Datasheet	1,210In Stock	$2.73 $1.61 $1.42 $1.27 View $1.20 $1.19 $1.14 $1.10 $1.09	Min.: 1 Mult.: 1

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