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
9277023002 FERRITE CORE U 77 Fair-Rite Products Corp.	390	-	RFQ	Datasheet	-	Box	Active	U	-	77	-	-	-	Ungapped	-	2000	116.0	78.0	67.0	-	5200.0	Uncoated	-	-	-
B66480G0000X608 FERRITE CORE PCS200 EPCOS - TDK Electronics	999	-	RFQ	Datasheet	ER18/3/10	Bulk	Active	-	-	PC200	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B66482G0000X187 FERRITE CORE ER N87 1PC EPCOS - TDK Electronics	396	-	RFQ	Datasheet	ER23/5/13	Box	Active	ER	ER 23 x 5 x 13	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.201" (5.10mm)	0.913" (23.20mm)	0.492" (12.50mm)
B65841A0000Y038 FERRITE CORE EP 4.8UH T38 2PCS EPCOS - TDK Electronics	2,510	-	RFQ	Datasheet	EP10	Box	Active	EP	EP 10	T38	-	4.8 µH	-30%, +40%	Ungapped	6490.0	2300	1.7	19.2	11.3	8.5	217.0	Uncoated	0.205" (5.20mm)	0.465" (11.80mm)	0.309" (7.85mm)
B66281K0000X149 FERRITE CORE I N49 EPCOS - TDK Electronics	9,610	-	RFQ	Datasheet	I14/1.5/5	Bag	Active	I	I 14 x 1.5 x 5	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.059" (1.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
5977001321 FERRITE CORE TOROID 1.35UH 77 Fair-Rite Products Corp.	517	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	77	1.043" (26.50mm)	1.35 µH	-30%, +25%	Ungapped	-	2000	2.0033	61.7	30.8	-	1901.0	Plastic	0.280" (7.11mm)	-	-
5977001021 FERRITE CORE TOROID 1.365UH 77 Fair-Rite Products Corp.	621	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	77	1.187" (30.15mm)	1.365 µH	-30%, +25%	Ungapped	-	2000	1.9811	73.2	36.9	-	2704.0	Plastic	0.325" (8.26mm)	-	-
B66455K0000X187 FERRITE CORE I N87 EPCOS - TDK Electronics	293	-	RFQ	Datasheet	I22/2.5/16	Tray	Active	I	I 22 x 2.5 x 16	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.098" (2.50mm)	0.858" (21.80mm)	0.622" (15.80mm)
B66281G0000X149 FERRITE CORE ELP N49 1PC EPCOS - TDK Electronics	5,610	-	RFQ	Datasheet	ELP14/3.5/5	Box	Active	ELP	ELP 14 x 3.5 x 5	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
B66283K0000X197 FERRITE CORE I N97 EPCOS - TDK Electronics	1,231	-	RFQ	Datasheet	I18/2/10	Tray	Active	I	I 18 x 2 x 10	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.079" (2.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
B66481P0000X197 FERRITE CORE I N97 1PC EPCOS - TDK Electronics	6,887	-	RFQ	Datasheet	I25/2/18	Box	Active	I	I 25 x 2	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.091" (2.30mm)	0.984" (25.00mm)	0.709" (18.00mm)
B65513J0000R049 FERRITE CORE ER 1.1UH N49 2PCS EPCOS - TDK Electronics	2,761	-	RFQ	Datasheet	ER14.5	Box	Active	ER	ER 14.5 x 6	N49	-	1.1 µH	-20%, +30%	Ungapped	800.0	1500	1.1	19.0	17.6	-	333.0	Uncoated	0.116" (2.95mm)	0.571" (14.50mm)	0.264" (6.70mm)
TX13/7.9/6.4-4C65 FERRITE CORE TOROID 4C65 Ferroxcube	2,016	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 13 x 7.9 x 6.4	4C65	0.526" (13.35mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.275" (7.00mm)	-	-
B65805J0000R030 FERRITE CORE RM 3.5UH N30 2PCS EPCOS - TDK Electronics	1,936	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	N30	-	3.5 µH	-20%, +30%	Ungapped	2590.0	4300	0.93	22.1	23.8	18.0	526.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
B65803J0000R608 FERRITE CORE RM PCS200 EPCOS - TDK Electronics	1,705	-	RFQ	Datasheet	RM4	Bulk	Active	RM	RM 4	PC200	-	-	-20%, +30%	Ungapped	670.0	800	1.7	22.0	13.0	11.3	286.0	Uncoated	0.413" (10.50mm)	0.433" (11.00mm)	0.181" (4.60mm)
TX22/14/13-3C94 FERRITE CORE TOROID 3C94 Ferroxcube	473	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 22 x 14 x 13	3C94	0.880" (22.35mm)	-	±20%	Ungapped	-	2300	1.07	54.2	50.9	-	2750.0	Epoxy	0.510" (12.95mm)	-	-
B65517D0250J048 FERRITE CORE P 250NH N48 2PCS EPCOS - TDK Electronics	19,202	-	RFQ	Datasheet	P9/5	Box	Active	P (Pot Core)	P 9 x 5	N48	0.366" (9.30mm)	250 nH	±5%	Gapped	249.0	-	1.25	12.5	10.0	-	125.0	Uncoated	0.106" (2.70mm)	-	-
B65517D0100A048 FERRITE CORE P 100NH N48 2PCS EPCOS - TDK Electronics	8,685	-	RFQ	Datasheet	P9/5	Box	Active	P (Pot Core)	P 9 x 5	N48	0.366" (9.30mm)	100 nH	±3%	Gapped	100.0	-	1.25	12.5	10.0	-	125.0	Uncoated	0.106" (2.70mm)	-	-
B64290L0626X830 FERRITE CORE TOROID 3.42UH N30 EPCOS - TDK Electronics	1,200	-	RFQ	Datasheet	TX22.6/14.7/9.2	Box	Active	Toroid	-	N30	0.937" (23.80mm)	3.42 µH	±25%	Ungapped	-	4300	1.59	56.82	35.78	-	2033.0	Epoxy	0.402" (10.20mm)	-	-
B66480G0000X149 FERRITE CORE ER N49 1PC EPCOS - TDK Electronics	18,824	-	RFQ	Datasheet	ER18/3/10	Box	Active	ER	ER 18 x 3 x 10	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.124" (3.15mm)	0.709" (18.00mm)	0.382" (9.70mm)

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.