Ferrite Cores

Browse available Ferrite Cores components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Core Type	Supplier Device Package	Material	Diameter	Inductance Factor (Al)	Tolerance	Gap	Effective Permeability (µe)	Initial Permeability (µi)	Core Factor (ΣI/A) mm⁻¹	Effective Length (le) mm	Effective Area (Ae) mm²	Minimum Core Cross Section (Amin) mm²	Effective Magnetic Volume (Ve) mm³	Finish	Height	Length	Width
3078990901 FERRITE CORE ROD 78 Fair-Rite Products Corp.	670	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	78	0.250" (6.35mm)	-	-	Ungapped	26.0	2300	-	-	28.3	-	-	Uncoated	-	1.575" (40.00mm)	-
9077026002 FERRITE CORE U 77 Fair-Rite Products Corp.	1,844	-	RFQ	Datasheet	-	Bulk	Active	U	-	77	-	-	-	Ungapped	-	2000	176.0	71.0	40.0	-	2850.0	Uncoated	0.500" (12.70mm)	1.000" (25.40mm)	0.250" (6.35mm)
B65839A0000R030 FERRITE CORE EP 2UH N30 2PCS EPCOS - TDK Electronics	1,297	-	RFQ	Datasheet	EP7	Box	Active	EP	EP 7	N30	-	2 µH	-20%, +30%	Ungapped	2430.0	4300	1.52	15.7	10.3	8.5	162.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.256" (6.50mm)
5975004901 FERRITE CORE TOROID 75 Fair-Rite Products Corp.	1,990	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	0.630" (16.00mm)	-	±20%	Ungapped	-	5000	-	38.5	19.9	-	770.0	Uncoated	0.250" (6.35mm)	-	-
C058050A2 FERRITE CORE TOROID 56NH Magnetics, a division of Spang & Co.	9,300	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	0.530" (13.45mm)	56 nH	±8%	Ungapped	-	125	-	31.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-
B66417G0000X608 FERRITE CORE EFD PCS200 EPCOS - TDK Electronics	3,617	-	RFQ	Datasheet	EFD20/10/7	Bulk	Active	EFD	-	PC200	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.264" (6.70mm)
B66281G0000X608 FERRITE CORE ELP PCS200 EPCOS - TDK Electronics	1,456	-	RFQ	Datasheet	ELP14/3.5/5	Bulk	Active	ELP	ELP 14 x 3.5 x 5	PC200	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
T60006L2012W803 FERRITE CORE TOROID VACUUMSCHMELZE	4,504	-	RFQ	Datasheet	-	Box	Active	Toroid	-	-	0.579" (14.70mm)	-	-	Ungapped	-	-	-	35.0	4.2	-	-	Epoxy	0.189" (4.80mm)	-	-
T60006L2012W902 FERRITE CORE TOROID 28UH VACUUMSCHMELZE	17,855	-	RFQ	Datasheet	-	Box	Active	Toroid	-	-	0.555" (14.10mm)	28 µH	-	Ungapped	-	-	-	31.4	7.2	-	-	Uncoated	0.248" (6.30mm)	-	-
0077120A7 FERRITE CORE TOROID 72NH KOOL MU Magnetics, a division of Spang & Co.	1,113	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	0.653" (16.59mm)	72 nH	±8%	Ungapped	-	125	-	41.2	19.2	-	791.0	Coated	0.250" (6.35mm)	-	-
5961001921 FERRITE CORE TOROID 150NH 61 Fair-Rite Products Corp.	1,035	-	RFQ	Datasheet	-	Box	Active	Toroid	-	61	0.530" (13.45mm)	150 nH	±25%	Ungapped	-	125	1.04	31.2	29.9	-	930.0	Plastic	0.533" (13.55mm)	-	-
B65525J0000R087 FERRITE CORE ER 1.2UH N87 2PCS EPCOS - TDK Electronics	8,540	-	RFQ	Datasheet	ER11/5	Box	Active	ER	ER 11 x 5	N87	-	1.2 µH	-20%, +30%	Ungapped	1050.0	2200	1.1	14.1	12.4	-	174.0	Uncoated	0.098" (2.50mm)	0.433" (11.00mm)	0.236" (6.00mm)
B66480G0000X197 FERRITE CORE ER N97 1PC EPCOS - TDK Electronics	5,454	-	RFQ	Datasheet	ER18/3/10	Box	Active	ER	ER 18 x 3 x 10	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.124" (3.15mm)	0.709" (18.00mm)	0.382" (9.70mm)
5961004921 FERRITE CORE TOROID 80NH 61 Fair-Rite Products Corp.	1,637	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	61	0.665" (16.90mm)	80 nH	±25%	Ungapped	-	125	1.937	38.5	19.9	-	766.0	Plastic	0.280" (7.11mm)	-	-
ZW42507TC FERRITE CORE TOROID 7.825UH W Magnetics, a division of Spang & Co.	12,551	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.998" (25.34mm)	7.825 µH	±30%	Ungapped	-	10000	-	61.5	37.1	-	2284.0	Epoxy	0.342" (8.69mm)	-	-
5961004101 61 TOROID FERRITE Fair-Rite Products Corp.	4,644	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	61	0.510" (12.95mm)	68 nH	±25%	Ungapped	-	-	2.2618	31.8	14.06	-	447.0	Uncoated	0.260" (6.60mm)	-	-
B66283G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	64,630	-	RFQ	Datasheet	ELP18/4/10	Box	Active	ELP	ELP 18 x 4 x 10	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
5943001301 FERRITE CORE TOROID 43 Fair-Rite Products Corp.	1,294	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	43	1.000" (25.40mm)	-	±20%	Ungapped	-	800	-	62.0	30.8	-	1900.0	Uncoated	0.250" (6.35mm)	-	-
B65513J0000R608 FERRITE CORE ER PCS200 EPCOS - TDK Electronics	866	-	RFQ	Datasheet	ER14.5	Bulk	Active	ER	ER 14.5 x 6	PC200	-	-	-20%, +30%	Ungapped	640.0	800	1.08	19.0	17.6	17.3	334.0	Uncoated	0.116" (2.95mm)	0.571" (14.50mm)	0.264" (6.70mm)
B66281K0000X187 FERRITE CORE I N87 EPCOS - TDK Electronics	11,624	-	RFQ	Datasheet	I14/1.5/5	Bag	Active	I	I 14 x 1.5 x 5	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.059" (1.50mm)	0.551" (14.00mm)	0.197" (5.00mm)

Ferrite Cores FAQ

What Ferrite Cores components can I source from EGOO?

You can browse available Ferrite Cores product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Ferrite Cores parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.