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
B66281K0000X608 FERRITE CORE I EPCOS - TDK Electronics	3,101	-	RFQ	Datasheet	I14/1.5/5	Box	Active	I	I 14 x 1.5 x 5	-	-	-	±25%	Ungapped	-	-	1.15	16.7	14.5	13.9	242.0	Uncoated	0.059" (1.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
B66319G0000X130 FERRITE CORE E N30 1PC EPCOS - TDK Electronics	378	-	RFQ	Datasheet	E30/15/7	Box	Active	E	E 30 x 15 x 7	N30	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.598" (15.20mm)	1.181" (30.00mm)	0.287" (7.30mm)
B66285G0000X187 FERRITE CORE ELP N87 1PC EPCOS - TDK Electronics	16,303	-	RFQ	Datasheet	ELP22/6/16	Box	Active	ELP	ELP 22 x 6 x 16	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
B66421U0160K187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	2,284	-	RFQ	Datasheet	EFD25/13/9	Box	Active	EFD	EFD 25 x 13 x 9	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
E18/4/10/R-3F46 FERRITE CORE E 3F46 Ferroxcube	886	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
5977001401 FERRITE CORE TOROID 77 Fair-Rite Products Corp.	247	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	77	1.000" (25.40mm)	-	±25%	Ungapped	-	2000	-	62.0	41.0	-	2520.0	Uncoated	0.320" (8.13mm)	-	-
PLT20/14/2/S-3C95 FERRITE CORE PLT 3C95 Ferroxcube	2,396	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 20 x 14 x 2	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.091" (2.30mm)	0.787" (20.00mm)	0.551" (14.00mm)
ETD39/20/13-3C94 FERRITE CORE ETD 3C94 Ferroxcube	5,288	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 39 x 20 x 13	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.780" (19.80mm)	1.575" (40.00mm)	0.504" (12.80mm)
B64290A0632X830 FERRITE CORE TOROID 4.16UH N30 EPCOS - TDK Electronics	3,406	-	RFQ	Datasheet	T20/10/7	Box	Active	Toroid	R 20 x 10 x 7	N30	0.787" (20.00mm)	4.16 µH	±25%	Ungapped	-	4300	1.3	43.55	33.63	-	1465.0	Uncoated	0.275" (7.00mm)	-	-
B65841A0000R087 FERRITE CORE EP 1.1UH N87 2PCS EPCOS - TDK Electronics	301	-	RFQ	Datasheet	EP10	Box	Active	EP	EP 10	N87	-	1.1 µH	-20%, +30%	Ungapped	1480.0	2200	1.7	19.2	11.3	8.5	217.0	Uncoated	0.205" (5.20mm)	0.465" (11.80mm)	0.309" (7.85mm)
4278282509 FERRITE CORE ROD 78 Fair-Rite Products Corp.	184	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	78	0.669" (17.00mm)	-	-	Ungapped	-	2300	-	-	-	-	-	Uncoated	-	0.746" (18.95mm)	-
B64290L0618X027 FERRITE CORE TOROID 2.15UH N27 EPCOS - TDK Electronics	1,660	-	RFQ	Datasheet	TX25.3/14.8/10	Box	Active	Toroid	-	N27	1.047" (26.60mm)	2.15 µH	±25%	Ungapped	-	2000	1.17	60.07	51.26	51.26	3079.0	Epoxy	0.433" (11.00mm)	-	-
PLT22/16/2.5/S-3C95 FERRITE CORE PLT 3C95 Ferroxcube	1,357	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 22 x 16 x 2.5	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.114" (2.90mm)	0.858" (21.80mm)	0.622" (15.80mm)
0077206A7 FERRITE CORE TOROID 68NH KOOL MU Magnetics, a division of Spang & Co.	1,974	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.830" (21.08mm)	68 nH	±8%	Ungapped	-	125	-	50.9	22.1	-	1120.0	Coated	0.280" (7.11mm)	-	-
3061990891 FERRITE CORE ROD 61 Fair-Rite Products Corp.	2,027	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	61	0.197" (5.00mm)	-	-	Ungapped	24.0	125	-	-	19.6	-	-	Uncoated	-	1.378" (35.00mm)	-
B64290A0618X830 FERRITE CORE TOROID 4.62UH N30 EPCOS - TDK Electronics	716	-	RFQ	Datasheet	T25.3/14.8/15	Bulk	Active	Toroid	R 25.3 x 14.8 x 10	N30	0.996" (25.30mm)	4.62 µH	±25%	Ungapped	-	4300	1.17	60.07	51.26	-	3079.0	Uncoated	0.394" (10.00mm)	-	-
B64290L0632X087 FERRITE CORE TOROID 2.13UH N87 EPCOS - TDK Electronics	6,217	-	RFQ	Datasheet	TX20/10/7	Box	Active	Toroid	-	N87	0.835" (21.20mm)	2.13 µH	±25%	Ungapped	-	2200	1.3	43.55	33.63	-	1465.0	Epoxy	0.319" (8.10mm)	-	-
B66361G0000X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	1,935	-	RFQ	Datasheet	ETD34/17/11	Box	Active	ETD	ETD 34 x 17 x 11	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.689" (17.50mm)	1.339" (34.00mm)	0.433" (11.00mm)
TX20/10/7-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	208	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 20 x 10 x 7	3E27	0.797" (20.25mm)	-	±30%	Ungapped	-	-	1.3	43.6	33.6	-	1465.0	Epoxy	0.291" (7.40mm)	-	-
B66361G0000X187 FERRITE CORE ETD N87 1PC EPCOS - TDK Electronics	1,756	-	RFQ	Datasheet	ETD34/17/11	Box	Active	ETD	ETD 34 x 17 x 11	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.689" (17.50mm)	1.339" (34.00mm)	0.433" (11.00mm)

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.