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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 (INR) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Type	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Packaging
Ferrite Toroids / Ferrite Rings Toroidal w/case Nanocrystal Low Frequency 150kHz Ring -40/+120C UL94 V-0 ESD-R-412119H-NC23 KEMET 1: ₹1,698.70 79In 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	79In Stock 120Expected 27-04-2027	₹1,698.70 ₹1,121.64 ₹1,057.63 ₹1,056.67	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores	Ring Toroidal Core	- 40 C	+ 120 C		Tray
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-421617XH-R1 KEMET 1: ₹553.18 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	₹553.18 ₹376.43 ₹318.15 ₹278.02 ₹250.31	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores	White Ring Toroidal Core	- 40 C	+ 120 C		Tray
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal,Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-512419XH-R1 KEMET 1: ₹779.61 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	₹779.61 ₹526.43 ₹442.35 ₹384.07 ₹374.52	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores	White Ring Toroidal Core	- 40 C	+ 120 C		Tray
Ferrite Toroids / Ferrite Rings High Heat Resistance with Case Toroidal Mn-Zn -40/+120C UL94 V-0 HR1 ESD-R-613325XH-R1 KEMET 1: ₹1,962.39 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	₹1,962.39 ₹1,284.06 ₹1,236.29 ₹1,235.33	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores	White Ring Toroidal Core	- 40 C	+ 120 C		Tray
Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 5x28x14.4x14.2mm ESD-SR-130527X-R1 KEMET 1: ₹260.82 1,206In 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	1,206In Stock	₹260.82 ₹180.57 ₹153.82 ₹135.67 View ₹118.47 ₹104.14	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	EMI Cores	Snap-On Ring Toroidal Core	- 25 C	+ 85 C		Tray
Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 6x33x16x16.4mm ESD-SR-150632X-R1 KEMET 1: ₹283.75 996In Stock	Mfr. Part No. ESD-SR-150632X-R1 Mouser Part No 80-ESD-SR-150632X-R1	KEMET	Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 6x33x16x16.4mm Learn More about KEMET emi cores	Datasheet	996In Stock	₹283.75 ₹195.86 ₹166.24 ₹147.13 View ₹128.02 ₹114.65	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	EMI Cores	Snap-On Ring Toroidal Core	- 25 C	+ 85 C		Tray
Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 9x39x20.2x20mm ESD-SR-190938X-R1 KEMET 1: ₹369.74 685In Stock	Mfr. Part No. ESD-SR-190938X-R1 Mouser Part No 80-ESD-SR-190938X-R1	KEMET	Ferrite Clamp On Cores Mn-Zn HR1 Round Snap On 500MHz 85C 9x39x20.2x20mm Learn More about KEMET emi cores	Datasheet	685In Stock	₹369.74 ₹254.14 ₹215.92 ₹189.17 View ₹164.33 ₹156.69	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	EMI Cores	Snap-On Ring Toroidal Core	- 25 C	+ 85 C		Tray
Ferrite Cable Cores Split Core Flat 25.4mm Cable ESD-FPD-16 KEMET 1: ₹664.00 906In Stock	Mfr. Part No. ESD-FPD-16 Mouser Part No 80-ESD-FPD-16	KEMET	Ferrite Cable Cores Split Core Flat 25.4mm Cable Learn More about KEMET Kemet EMI Cores	Datasheet	906In Stock	₹664.00 ₹450.95 ₹380.25 ₹330.57 ₹310.51	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Split	Tube Core	- 25 C	+ 85 C		Bulk
Ferrite Toroids / Ferrite Rings 10mm ESD-R-19S KEMET 1: ₹190.12 2,304In Stock 960Expected 29-12-2026	Mfr. Part No. ESD-R-19S Mouser Part No 80-ESD-R-19S	KEMET	Ferrite Toroids / Ferrite Rings 10mm Learn More about KEMET emi cores	Datasheet	2,304In Stock 960Expected 29-12-2026	₹190.12 ₹131.85 ₹112.74 ₹99.36 View ₹86.94 ₹71.66	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	EMI, Solid Toroidal Cores	- 25 C	+ 85 C		Bulk
Ferrite Toroids / Ferrite Rings 25.5mm ESD-R-47 KEMET 1: ₹642.98 688In Stock	Mfr. Part No. ESD-R-47 Mouser Part No 80-ESD-R-47	KEMET	Ferrite Toroids / Ferrite Rings 25.5mm Learn More about KEMET emi cores	Datasheet	688In Stock	₹642.98 ₹384.07 ₹334.39 ₹307.64 ₹298.08	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	EMI, Solid Toroidal Cores	- 25 C	+ 85 C		Bulk
Ferrite Clamp On Cores 6x21x16.5mm Ni-Zn 65C ESD-SR-100 KEMET 1: ₹229.30 2,785In Stock 2,970On Order	Mfr. Part No. ESD-SR-100 Mouser Part No 80-ESD-SR-100	KEMET	Ferrite Clamp On Cores 6x21x16.5mm Ni-Zn 65C Learn More about KEMET emi cores	Datasheet	2,785In Stock 2,970On Order On Order Ship Dates Mfr. No: ESD-SR-100 Stock: 2,785 Can Dispatch Immediately On Order: 900 Expected 04-11-2026 2,070 Expected 25-12-2026 Factory Lead Time: 23 Weeks	₹229.30 ₹160.51 ₹136.62 ₹129.93 View ₹112.74 ₹103.18 ₹90.48	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrite Clamp On Cores	Cable Single		+ 85 C	Free Hanging	Bulk
Ferrite Clamp On Cores 6x33x16.4mm Ni-Zn 65C ESD-SR-120 KEMET 1: ₹309.55 1,331In Stock 4,900Expected 12-04-2027	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	1,331In Stock 4,900Expected 12-04-2027	₹309.55 ₹213.05 ₹181.53 ₹160.51 View ₹140.44 ₹124.20	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrite Clamp On Cores	Cable Single		+ 85 C	Free Hanging	Bulk
Ferrite Clamp On Cores 13x38x31.6mm Ni-Zn 65C ESD-SR-250 KEMET 1: ₹870.37 1,117In Stock 1,320Expected 14-12-2026	Mfr. Part No. ESD-SR-250 Mouser Part No 80-ESD-SR-250	KEMET	Ferrite Clamp On Cores 13x38x31.6mm Ni-Zn 65C Learn More about KEMET emi cores	Datasheet	1,117In Stock 1,320Expected 14-12-2026	₹870.37 ₹593.30 ₹502.54 ₹422.29 ₹392.67	Min.: 1 Mult.: 1	Ferrite Clamp On Cores	Ferrite Clamp On Cores	Cable Single		+ 85 C	Free Hanging	Bulk
Ferrite Cable Cores Ferrite Bead Core EMI 2.4mm B-20L-48B KEMET 1: ₹27.71 13,639In Stock 80,000On Order	Mfr. Part No. B-20L-48B Mouser Part No 80-B-20L-48B	KEMET	Ferrite Cable Cores Ferrite Bead Core EMI 2.4mm Learn More about KEMET Kemet EMI Cores	Datasheet	13,639In Stock 80,000On Order On Order Ship Dates Mfr. No: B-20L-48B Stock: 13,639 Can Dispatch Immediately On Order: 40,000 Expected 19-11-2026 40,000 Expected 09-02-2027 Factory Lead Time: 29 Weeks	₹27.71 ₹15.19 ₹11.56 ₹10.22 View ₹8.98 ₹7.64	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid	Bead Core	- 25 C	+ 85 C		Bulk
Ferrite Cable Cores 4.8x2.4mm 300MHz Ni-Zn Bare B-20L-48B-L KEMET 1: ₹24.84 4,759In Stock 35,000Expected 10-05-2027	Mfr. Part No. B-20L-48B-L Mouser Part No 80-B-20L-48B-L	KEMET	Ferrite Cable Cores 4.8x2.4mm 300MHz Ni-Zn Bare Learn More about KEMET emi cores	Datasheet	4,759In Stock 35,000Expected 10-05-2027	₹24.84 ₹17.39 ₹14.33 ₹12.04 View ₹10.32 ₹9.46 ₹8.31 ₹6.69 ₹6.40	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid	Shield Bead	- 25 C	+ 85 C		Bulk
Ferrite Cable Cores Ferrite Bead Core EMI 4.8mm B-20L-95B KEMET 1: ₹70.70 4,515In Stock 15,000Expected 08-03-2027	Mfr. Part No. B-20L-95B Mouser Part No 80-B-20L-95B	KEMET	Ferrite Cable Cores Ferrite Bead Core EMI 4.8mm Learn More about KEMET Kemet EMI Cores	Datasheet	4,515In Stock 15,000Expected 08-03-2027	₹70.70 ₹49.49 ₹42.71 ₹38.02 View ₹33.73 ₹28.47 ₹24.84 ₹24.27 ₹22.74	Min.: 1 Mult.: 1	Ferrite Cable Cores	Round Cable Cores Solid	Round Cable Core	- 25 C	+ 85 C		Bulk
Ferrite Cable Cores Split Core Flat 25.4mm Cable ESD-FPD-16-1 KEMET 1: ₹690.75 60In Stock 1,600On Order	Mfr. Part No. ESD-FPD-16-1 Mouser Part No 80-ESD-FPD-16-1	KEMET	Ferrite Cable Cores Split Core Flat 25.4mm Cable Learn More about KEMET emi cores	Datasheet	60In Stock 1,600On Order On Order Ship Dates Mfr. No: ESD-FPD-16-1 Stock: 60 Can Dispatch Immediately On Order: 800 Expected 02-11-2026 800 Expected 18-01-2027 Factory Lead Time: 23 Weeks	₹690.75 ₹468.15 ₹394.58 ₹342.99 ₹317.19	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Split	Tube Core	- 25 C	+ 85 C		Bulk
Ferrite Cable Cores Split Core Flat 48.3mm Cable ESD-FPD-34 KEMET 1: ₹808.27 248In Stock 240Expected 18-01-2027	Mfr. Part No. ESD-FPD-34 Mouser Part No 80-ESD-FPD-34	KEMET	Ferrite Cable Cores Split Core Flat 48.3mm Cable Learn More about KEMET emi cores	Datasheet	248In Stock 240Expected 18-01-2027	₹808.27 ₹545.53 ₹471.97 ₹399.36 ₹381.20	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Split	Tube Core	- 25 C	+ 85 C		Bulk
Ferrite Cable Cores 68.6x2mm Split Core Ni-Zn for Flat Cable ESD-FPD-50 KEMET 1: ₹970.69 125In Stock	Mfr. Part No. ESD-FPD-50 Mouser Part No 80-ESD-FPD-50	KEMET	Ferrite Cable Cores 68.6x2mm Split Core Ni-Zn for Flat Cable Learn More about KEMET emi cores	Datasheet	125In Stock	₹970.69 ₹652.54 ₹546.49 ₹484.39	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Split	Shield Bead	- 25 C	+ 85 C		Tray
Ferrite Cable Cores Split Core Flat 68.6mm Cable ESD-FPD-50-1 KEMET 1: ₹1,002.21 125In Stock	Mfr. Part No. ESD-FPD-50-1 Mouser Part No 80-ESD-FPD-50-1	KEMET	Ferrite Cable Cores Split Core Flat 68.6mm Cable Learn More about KEMET emi cores	Datasheet	125In Stock	₹1,002.21 ₹673.56 ₹563.69 ₹502.54	Min.: 1 Mult.: 1	Ferrite Cable Cores	Flat Ribbon Cable Cores Split	Tube Core	- 25 C	+ 85 C		Bulk
Ferrite Toroids / Ferrite Rings 12x7x15mm Ni-Zn Coated ESD-R-12CM KEMET 1: ₹129.93 167In Stock 1,500Expected 02-02-2027	Mfr. Part No. ESD-R-12CM Mouser Part No 80-ESD-R-12CM	KEMET	Ferrite Toroids / Ferrite Rings 12x7x15mm Ni-Zn Coated Learn More about KEMET emi cores	Datasheet	167In Stock 1,500Expected 02-02-2027	₹129.93 ₹90.29 ₹77.39 ₹68.50 View ₹60.29 ₹49.49 ₹44.43 ₹43.76	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids		- 25 C	+ 85 C		Tray
Ferrite Toroids / Ferrite Rings 7.3mm ESD-R-12E KEMET 1: ₹72.61 3,000In Stock	Mfr. Part No. ESD-R-12E Mouser Part No 80-ESD-R-12E	KEMET	Ferrite Toroids / Ferrite Rings 7.3mm Learn More about KEMET emi cores	Datasheet	3,000In Stock	₹72.61 ₹50.45 ₹43.76 ₹38.98 View ₹34.49 ₹29.14 ₹25.41 ₹23.79 ₹22.64	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	EMI, Solid Toroidal Cores	- 25 C	+ 85 C		Bulk
Ferrite Toroids / Ferrite Rings 15x5x9mm 300MHz Ni-Zn 120C ESD-R-12N-H KEMET 1: ₹140.44 257In Stock	Mfr. Part No. ESD-R-12N-H Mouser Part No 80-ESD-R-12N-H	KEMET	Ferrite Toroids / Ferrite Rings 15x5x9mm 300MHz Ni-Zn 120C Learn More about KEMET emi cores This item may require additional import fees and documentation. Customs delays may also occur.	Datasheet	257In Stock	₹140.44 ₹98.41 ₹83.98 ₹74.43 View ₹65.44 ₹52.55 ₹50.54	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids		- 40 C	+ 120 C		Tray
Ferrite Toroids / Ferrite Rings 7mm ESD-R-14C KEMET 1: ₹49.68 2,603In Stock 6,000Expected 02-02-2027	Mfr. Part No. ESD-R-14C Mouser Part No 80-ESD-R-14C	KEMET	Ferrite Toroids / Ferrite Rings 7mm Learn More about KEMET emi cores	Datasheet	2,603In Stock 6,000Expected 02-02-2027	₹49.68 ₹34.87 ₹30.38 ₹24.17 View ₹23.98 ₹20.35 ₹17.20 ₹15.57 ₹15.19	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	EMI, Solid Toroidal Cores	- 25 C	+ 85 C		Bulk
Ferrite Toroids / Ferrite Rings 7mm ESD-R-14C-2 KEMET 1: ₹64.01 1,140In Stock	Mfr. Part No. ESD-R-14C-2 Mouser Part No 80-ESD-R-14C-2	KEMET	Ferrite Toroids / Ferrite Rings 7mm Learn More about KEMET emi cores	Datasheet	1,140In Stock	₹64.01 ₹50.73 ₹43.76 ₹38.98 View ₹34.49 ₹29.14 ₹25.41 ₹25.03 ₹23.41	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	EMI, Solid Toroidal Cores	- 25 C	+ 85 C		Bulk

EMI Cores

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