.hide-partial { max-height: none; } .show-more { display: none; }

Ferrite Toroids / Ferrite Rings

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 971

Applied Filters:

Manufacturer

Product

Inside Diameter

Outside Diameter

Inside Length

Outside Length

Inside Height

Outside Height

Series

Packaging

Core Material

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Inside Diameter	Outside Diameter	Outside Length	Outside Height	Series	Packaging	Core Material
Ferrite Toroids / Ferrite Rings 32x19x15.8mm Mn-Zn Coated ESD-R-31-P KEMET 1: $4.88 270In Stock	Mfr. Part No. ESD-R-31-P Mouser Part No 80-ESD-R-31-P	KEMET	Ferrite Toroids / Ferrite Rings 32x19x15.8mm Mn-Zn Coated Learn More about KEMET emi cores	Datasheet	270In Stock	$4.88 $3.34 $2.83 $2.46 $2.15	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	19 mm	32 mm	15.8 mm		ESD-R	Tray	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 31x20x14.9mm 150kHz Mn-Zn 85C ESD-R-31SR KEMET 1: $3.76 22In Stock 300Expected 01/02/2027	Mfr. Part No. ESD-R-31SR Mouser Part No 80-ESD-R-31SR	KEMET	Ferrite Toroids / Ferrite Rings 31x20x14.9mm 150kHz Mn-Zn 85C Learn More about KEMET emi cores	Datasheet	22In Stock 300Expected 01/02/2027	$3.76 $2.58 $2.20 $1.92 View $1.70 $1.58	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores	34 mm	31 mm	21 mm		ESD-R-SR	Tray
Ferrite Toroids / Ferrite Rings 34x16.5x16mm 10MHz Nanocrystal 120C ESD-R-341616H-NC23 KEMET 1: $11.78 54In Stock 300Expected 03/05/2027	Mfr. Part No. ESD-R-341616H-NC23 Mouser Part No 80-ESD-R-341616HNC23	KEMET	Ferrite Toroids / Ferrite Rings 34x16.5x16mm 10MHz Nanocrystal 120C Learn More about KEMET emi cores	Datasheet	54In Stock 300Expected 03/05/2027	$11.78 $7.89 $6.93 $6.11 $6.03	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	16.5 mm	34 mm	16 mm		ESD-R-NC	Tray
Ferrite Toroids / Ferrite Rings 17.5mm ESD-R-38 KEMET 1: $4.79 137In Stock	Mfr. Part No. ESD-R-38 Mouser Part No 80-ESD-R-38	KEMET	Ferrite Toroids / Ferrite Rings 17.5mm Learn More about KEMET emi cores	Datasheet	137In Stock	$4.79 $3.28 $2.54 $2.20 $2.10	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	17.5 mm	39 mm	14 mm		ESD-R	Bulk	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 39x17.5x14mm Mn-Zn Case and Tape ESD-R-38-1 KEMET 1: $7.20 63In Stock	Mfr. Part No. ESD-R-38-1 Mouser Part No 80-ESD-R-38-1	KEMET	Ferrite Toroids / Ferrite Rings 39x17.5x14mm Mn-Zn Case and Tape Learn More about KEMET emi cores	Datasheet	63In Stock	$7.20 $4.88 $3.74 $3.38	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	17.5 mm	39 mm	14 mm		ESD-R	Tray	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm ESD-R-38B KEMET 1: $5.37 222In Stock	Mfr. Part No. ESD-R-38B Mouser Part No 80-ESD-R-38B	KEMET	Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 17.9mm Learn More about KEMET emi cores	Datasheet	222In Stock	$5.37 $3.66 $3.10 $2.71 View $2.43 $2.40	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	17.9 mm	42.4 mm	16 mm		ESD-R-B	Bulk	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 19mm ESD-R-38D KEMET 1: $4.63 150In Stock	Mfr. Part No. ESD-R-38D Mouser Part No 80-ESD-R-38D	KEMET	Ferrite Toroids / Ferrite Rings 19mm Learn More about KEMET emi cores	Datasheet	150In Stock	$4.63 $3.17 $2.69 $2.35 $1.89	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	19 mm	38.1 mm	12.7 mm		ESD-R	Bulk	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 42x16.7x17mm 10MHz Mn-Zn 120C ESD-R-38M-H KEMET 1: $5.51 170In Stock	Mfr. Part No. ESD-R-38M-H Mouser Part No 80-ESD-R-38M-H	KEMET	Ferrite Toroids / Ferrite Rings 42x16.7x17mm 10MHz Mn-Zn 120C Learn More about KEMET emi cores	Datasheet	170In Stock	$5.51 $3.86 $2.97 $2.96 $2.84	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	16.7 mm	42 mm	17 mm		ESD-R-H	Tray
Ferrite Toroids / Ferrite Rings 42x16.7x17mm 300MHz Ni-Zn 120C ESD-R-38N-H KEMET 1: $6.21 69In Stock	Mfr. Part No. ESD-R-38N-H Mouser Part No 80-ESD-R-38N-H	KEMET	Ferrite Toroids / Ferrite Rings 42x16.7x17mm 300MHz Ni-Zn 120C Learn More about KEMET emi cores	Datasheet	69In Stock	$6.21 $4.23 $3.25 $3.24 $2.85	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	16.7 mm	42 mm	17 mm		ESD-R-H	Tray
Ferrite Toroids / Ferrite Rings 39x17.5x14mm Mn-Zn Case ESD-R-38SA KEMET 1: $4.88 63In Stock	Mfr. Part No. ESD-R-38SA Mouser Part No 80-ESD-R-38SA	KEMET	Ferrite Toroids / Ferrite Rings 39x17.5x14mm Mn-Zn Case Learn More about KEMET emi cores	Datasheet	63In Stock	$4.88 $3.34 $2.59 $2.24 $2.15	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	17.5 mm	39 mm	14 mm		ESD-R	Tray	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 38x19x12.7mm 150kHz Mn-Zn 85C ESD-R-38SR KEMET 1: $6.47 137In Stock	Mfr. Part No. ESD-R-38SR Mouser Part No 80-ESD-R-38SR	KEMET	Ferrite Toroids / Ferrite Rings 38x19x12.7mm 150kHz Mn-Zn 85C Learn More about KEMET emi cores	Datasheet	137In Stock	$6.47 $4.39 $3.39 $2.99	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores	19 mm	38 mm	12.7 mm		ESD-R-SR	Tray
Ferrite Toroids / Ferrite Rings 50x23x18mm Mn-Zn Case and Tape ESD-R-47-1 KEMET 1: $9.97 175In Stock	Mfr. Part No. ESD-R-47-1 Mouser Part No 80-ESD-R-47-1	KEMET	Ferrite Toroids / Ferrite Rings 50x23x18mm Mn-Zn Case and Tape Learn More about KEMET emi cores	Datasheet	175In Stock	$9.97 $6.71 $5.63 $4.93 $4.84	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	23 mm	50 mm	18 mm		ESD-R	Tray	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 25.5mm ESD-R-47D-1 KEMET 1: $9.77 169In Stock	Mfr. Part No. ESD-R-47D-1 Mouser Part No 80-ESD-R-47D-1	KEMET	Ferrite Toroids / Ferrite Rings 25.5mm Learn More about KEMET emi cores	Datasheet	169In Stock	$9.77 $6.58 $5.51 $4.84	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	25.5 mm	48 mm	16 mm		ESD-R	Bulk	Nickel Zinc
Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 25.5mm ESD-R-47D-B KEMET 1: $12.86 111In Stock 180Expected 24/12/2026	Mfr. Part No. ESD-R-47D-B Mouser Part No 80-ESD-R-47D-B	KEMET	Ferrite Toroids / Ferrite Rings Ferrite Bead Incased EMI 25.5mm Learn More about KEMET emi cores	Datasheet	111In Stock 180Expected 24/12/2026	$12.86 $8.59 $7.16 $6.69	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	25.5 mm	51.5 mm	17.5 mm		ESD-R-B	Bulk	Nickel Zinc
Ferrite Toroids / Ferrite Rings 52.5x22.7x18.5mm Mn-Zn Case ESD-R-47H KEMET 1: $16.11 8In Stock	Mfr. Part No. ESD-R-47H Mouser Part No 80-ESD-R-47H	KEMET	Ferrite Toroids / Ferrite Rings 52.5x22.7x18.5mm Mn-Zn Case Learn More about KEMET emi cores	Datasheet	8In Stock	$16.11 $10.32 $8.73	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	22.7 mm	52.5 mm	18.5 mm		ESD-R	Tray	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 51x24.4x19mm 10MHz Mn-Zn 120C ESD-R-47M-H KEMET 1: $8.25 9In Stock	Mfr. Part No. ESD-R-47M-H Mouser Part No 80-ESD-R-47M-H	KEMET	Ferrite Toroids / Ferrite Rings 51x24.4x19mm 10MHz Mn-Zn 120C Learn More about KEMET emi cores	Datasheet	9In Stock	$8.25 $4.90 $4.25 $3.97	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	24.4 mm	51 mm	19 mm		ESD-R-H	Tray
Ferrite Toroids / Ferrite Rings 47x27x15mm Mn-Zn Bare ESD-R-47S KEMET 1: $9.44 55In Stock	Mfr. Part No. ESD-R-47S Mouser Part No 80-ESD-R-47S	KEMET	Ferrite Toroids / Ferrite Rings 47x27x15mm Mn-Zn Bare Learn More about KEMET emi cores	Datasheet	55In Stock	$9.44 $5.57 $5.40 $4.73 $4.65	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	27 mm	47 mm	15 mm		ESD-R	Tray	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 47x27x15mm 150kHz Mn-Zn 85C ESD-R-47SR KEMET 1: $13.58 100In Stock	Mfr. Part No. ESD-R-47SR Mouser Part No 80-ESD-R-47SR	KEMET	Ferrite Toroids / Ferrite Rings 47x27x15mm 150kHz Mn-Zn 85C Learn More about KEMET emi cores	Datasheet	100In Stock	$13.58 $9.30 $7.67 $7.07 $6.98	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores	27 mm	47 mm	15 mm		ESD-R-SR	Tray
Ferrite Toroids / Ferrite Rings 48.5x26x16mm 150kHz Mn-Zn 85C ESD-R-47SR-P KEMET 1: $15.25 57In Stock	Mfr. Part No. ESD-R-47SR-P Mouser Part No 80-ESD-R-47SR-P	KEMET	Ferrite Toroids / Ferrite Rings 48.5x26x16mm 150kHz Mn-Zn 85C Learn More about KEMET emi cores	Datasheet	57In Stock	$15.25 $8.83 $8.18	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	EMI Cores	26 mm	48.5 mm	16 mm		ESD-R-SR-P	Tray
Ferrite Toroids / Ferrite Rings 51x24.4x19mm 10MHz Nanocrystal 120C ESD-R-512419H-NC23 KEMET 1: $27.67 36In Stock	Mfr. Part No. ESD-R-512419H-NC23 Mouser Part No 80-ESD-R-512419HNC23	KEMET	Ferrite Toroids / Ferrite Rings 51x24.4x19mm 10MHz Nanocrystal 120C Learn More about KEMET emi cores	Datasheet	36In Stock	$27.67 $16.58	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	24.4 mm	51 mm	19 mm		ESD-R-NC	Tray
Ferrite Toroids / Ferrite Rings 32.4mm ESD-R-57 KEMET 1: $19.45 53In Stock	Mfr. Part No. ESD-R-57 Mouser Part No 80-ESD-R-57	KEMET	Ferrite Toroids / Ferrite Rings 32.4mm Learn More about KEMET emi cores	Datasheet	53In Stock	$19.45 $12.67 $11.17 $10.91	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	32.4 mm	61 mm	24 mm		ESD-R	Bulk	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 61x32.4x24mm Mn-Zn Case and Tape ESD-R-57A-1 KEMET 1: $23.11 38In Stock	Mfr. Part No. ESD-R-57A-1 Mouser Part No 80-ESD-R-57A-1	KEMET	Ferrite Toroids / Ferrite Rings 61x32.4x24mm Mn-Zn Case and Tape Learn More about KEMET emi cores	Datasheet	38In Stock	$23.11 $14.63 $13.02 $12.73	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	32.4 mm	61 mm	24 mm		ESD-R	Tray	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 57x36x20mm Mn-Zn Bare ESD-R-57S KEMET 1: $14.97 42In Stock	Mfr. Part No. ESD-R-57S Mouser Part No 80-ESD-R-57S	KEMET	Ferrite Toroids / Ferrite Rings 57x36x20mm Mn-Zn Bare Learn More about KEMET emi cores	Datasheet	42In Stock	$14.97 $10.32 $8.28 $8.00	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Toroids	36 mm	57 mm	20 mm		ESD-R	Tray	Manganese Zinc (MnZn)
Ferrite Toroids / Ferrite Rings 4900kg/m3 Thck=20mm 30kw AEC-Q200 FPL100/100/20-BH1T KEMET 1: $84.32 2In Stock 6Expected 12/05/2027	Mfr. Part No. FPL100/100/20-BH1T Mouser Part No 80-FPL100/100/20BH1T	KEMET	Ferrite Toroids / Ferrite Rings 4900kg/m3 Thck=20mm 30kw AEC-Q200 Learn More about KEMET fpl wpt ferrite tiles	Datasheet	2In Stock 6Expected 12/05/2027	$84.32 $60.92	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Ferrite Bead Cores			100 mm	20 mm	FPL	Tray	Ferrite
Ferrite Toroids / Ferrite Rings 4900kg/m3 Thck=6mm 3.7kW AEC-Q200 FPL100/100/6-BH1T KEMET 1: $30.07 3In Stock 24Expected 26/01/2027	Mfr. Part No. FPL100/100/6-BH1T Mouser Part No 80-FPL100/100/6-BH1T	KEMET	Ferrite Toroids / Ferrite Rings 4900kg/m3 Thck=6mm 3.7kW AEC-Q200 Learn More about KEMET fpl wpt ferrite tiles	Datasheet	3In Stock 24Expected 26/01/2027	$30.07 $20.37 $18.14	Min.: 1 Mult.: 1	Ferrite Toroids / Ferrite Rings	Plates			100 mm	6 mm	FPL	Tray	Ferrite