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
E65/32/27-3C95 FERRITE CORE E 3C95 Ferroxcube	3,109	-	RFQ	Datasheet	-	Bulk	Active	E	E 65 x 32 x 27	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.291" (32.80mm)	2.559" (65.00mm)	1.079" (27.40mm)
B64290L0040X830 FERRITE CORE TOROID 5.4UH N30 EPCOS - TDK Electronics	4,912	-	RFQ	Datasheet	TX58.3/40.8/17.6	Tray	Active	Toroid	-	N30	2.366" (60.10mm)	5.4 µH	±25%	Ungapped	-	4300	1.0	152.4	152.4	-	23230.0	Epoxy	0.740" (18.80mm)	-	-
UR55/38/36-3C90 FERRITE CORE UR 3C90 Ferroxcube	4,114	-	RFQ	Datasheet	-	Bulk	Active	UR	UR 55 x 38 x 36	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.476" (37.50mm)	2.161" (54.90mm)	0.925" (23.50mm)
TX55/32/18-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	1,019	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 55 x 32 x 18	3E27	2.264" (57.50mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.756" (19.20mm)	-	-
B66297G0000X187 FERRITE CORE ELP N87 EPCOS - TDK Electronics	1,193	-	RFQ	Datasheet	ELP102/20/38	Tray	Active	ELP	ELP 102 x 20 x 38	N87	-	-	±25%	Ungapped	-	-	-	-	-	-	-	Uncoated	0.799" (20.30mm)	4.016" (102.00mm)	1.476" (37.50mm)
TX63/38/25-3E6 FERRITE CORE TOROID Ferroxcube	2,707	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	2.480" (63.00mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.984" (25.00mm)	-	-
C058438A2 FERRITE CORE TOROID 281NH HI FLX Magnetics, a division of Spang & Co.	3,418	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	1.875" (47.63mm)	281 nH	±8%	Ungapped	-	125	-	107.0	199.0	-	21300.0	Coated	0.745" (18.92mm)	-	-
U126/91/20-3C94 FERRITE CORE U 3C94 Ferroxcube	2,892	-	RFQ	Datasheet	-	Bulk	Active	U	U 126 x 91 x 20	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	3.583" (91.00mm)	4.961" (126.00mm)	0.787" (20.00mm)
PM74/59-3C94 FERRITE CORE PM 3C94 2PC SET Ferroxcube	2,884	-	RFQ	Datasheet	-	Bulk	Active	PM	PM 74 x 59	3C94	2.913" (74.00mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	2.323" (59.00mm)	-	-
B65686A0000R087 FERRITE CORE PM 10UH N87 2PCS EPCOS - TDK Electronics	4,266	-	RFQ	Datasheet	PM74/59	Box	Active	PM	PM 74 x 59	N87	2.913" (74.00mm)	10 µH	-20%, +30%	Ungapped	1290.0	2200	0.162	128.0	790.0	630.0	101000.0	Uncoated	1.161" (29.50mm)	-	-
5977000101 FERRITE CORE TOROID 77 Fair-Rite Products Corp.	468	-	RFQ	Datasheet	-	Box	Active	Toroid	-	77	0.230" (5.84mm)	-	±25%	Ungapped	-	2000	-	13.0	2.0	-	27.0	Uncoated	0.060" (1.52mm)	-	-
5967000101 FERRITE CORE TOROID 67 Fair-Rite Products Corp.	864	-	RFQ	Datasheet	-	Box	Active	Toroid	-	67	0.230" (5.84mm)	-	-	Ungapped	-	40	-	13.0	2.0	-	27.0	Uncoated	0.060" (1.52mm)	-	-
B64290A0035X038 FERRITE CORE TOROID 1.02UH T38 EPCOS - TDK Electronics	481	-	RFQ	Datasheet	T2.5/1.5/1	Box	Active	Toroid	R 2.5 x 1.5 x 1	T38	0.098" (2.50mm)	1.02 µH	±30%	Ungapped	-	10000	12.3	6.02	0.49	-	3.0	Uncoated	0.039" (1.00mm)	-	-
5980000201 FERRITE CORE TOROID 245NH Fair-Rite Products Corp.	982	-	RFQ	Datasheet	HF	Bulk	Active	Toroid	-	-	0.374" (9.50mm)	245 nH	±25%	Ungapped	-	550	286.0	20.7	7.3	-	150.0	Uncoated	0.125" (3.18mm)	-	-
5975000221 FERRITE CORE TOROID 2.2UH 75 Fair-Rite Products Corp.	308	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	0.402" (10.20mm)	2.2 µH	±20%	Ungapped	-	5000	2.8549	20.7	7.25	-	150.0	Plastic	0.150" (3.81mm)	-	-
4077122011 FERRITE CORE ROD 77 Fair-Rite Products Corp.	331	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	77	0.128" (3.25mm)	-	-	Ungapped	29.0	2000	-	25.0	7.07	-	-	Uncoated	-	1.000" (25.40mm)	-
5943000321 FERRITE CORE TOROID 440NH 43 Fair-Rite Products Corp.	596	-	RFQ	Datasheet	-	Box	Active	Toroid	-	43	0.530" (13.45mm)	440 nH	-25%, +20%	Ungapped	-	800	2.2904	29.5	12.9	-	381.0	Plastic	0.213" (5.40mm)	-	-
B64290L0045X027 FERRITE CORE TOROID 1.29UH N27 EPCOS - TDK Electronics	486	-	RFQ	Datasheet	TX16/9.6/6.3	Box	Active	Toroid	-	N27	0.677" (17.20mm)	1.29 µH	±25%	Ungapped	-	2000	1.95	38.52	19.73	-	760.0	Epoxy	0.287" (7.30mm)	-	-
TX13/7.9/6.4-3C90 FERRITE CORE TOROID 3C90 Ferroxcube	667	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 13 x 7.9 x 6.4	3C90	0.526" (13.35mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.275" (7.00mm)	-	-
B66317G0250X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	233	-	RFQ	Datasheet	E25/13/7	Box	Active	E	E 25 x 13 x 7	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.504" (12.80mm)	0.984" (25.00mm)	0.295" (7.50mm)

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.