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
B66311G0170X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	5,534	-	RFQ	Datasheet	E20/10/6	Box	Active	E	E 20 x 10 x 6	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.803" (20.40mm)	0.232" (5.90mm)
TX13/7.1/4.8-3C94 FERRITE CORE TOROID 3C94 Ferroxcube	3,523	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 13 x 7.1 x 4.8	3C94	0.510" (12.95mm)	-	±20%	Ungapped	-	2300	2.4	29.5	12.3	-	361.0	Epoxy	0.198" (5.03mm)	-	-
E25/10/6-3C94 FERRITE CORE E 3C94 Ferroxcube	3,506	-	RFQ	Datasheet	-	Bulk	Active	E	E 25 x 10 x 6	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.250" (6.35mm)
TX14/9/5-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	8,515	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 14 x 9 x 5	3E27	0.561" (14.25mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.207" (5.25mm)	-	-
B66307G0100X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	2,306	-	RFQ	Datasheet	E16/8/5	Box	Active	E	E 16 x 8 x 5	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B66322G0000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	1,412	-	RFQ	Datasheet	E10/5.5/5	Box	Active	E	E 10 x 5.5 x 5	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.216" (5.50mm)	0.402" (10.20mm)	0.189" (4.80mm)
TX14/9/5-3E6 FERRITE CORE TOROID Ferroxcube	1,275	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 14 x 9 x 5	-	0.561" (14.25mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.207" (5.25mm)	-	-
B64290L0742X038 FERRITE CORE TOROID 6.03UH T38 EPCOS - TDK Electronics	17,029	-	RFQ	Datasheet	TX13/7.9/6.4	Box	Active	Toroid	-	T38	0.535" (13.60mm)	6.03 µH	±30%	Ungapped	-	10000	2.08	31.17	14.96	-	466.0	Epoxy	0.281" (7.15mm)	-	-
7898400121 FERRITE CORE E SET Fair-Rite Products Corp.	1,636	-	RFQ	Datasheet	-	Bulk	Active	E	-	-	-	-	±25%	Ungapped	-	2400	109.0	16.6	15.2	15.0	252.0	Uncoated	-	0.551" (14.00mm)	0.197" (5.00mm)
PLT13/9/1-3C95 FERRITE CORE PLT 3C95 Ferroxcube	22,212	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 13 x 9 x 1	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.043" (1.10mm)	0.504" (12.80mm)	0.343" (8.70mm)
5976000211 FERRITE CORE TOROID 4.4UH 76 Fair-Rite Products Corp.	2,121	-	RFQ	Datasheet	-	Bag	Active	Toroid	-	76	-	4.4 µH	±30%	Ungapped	-	10000	286.0	20.7	7.2	-	150.0	Parylene	-	-	-
TX13/7.9/6.4-3C94 FERRITE CORE TOROID 3C94 Ferroxcube	4,025	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 13 x 7.9 x 6.4	3C94	0.526" (13.35mm)	-	±25%	Ungapped	2300.0	-	2.21	31.2	14.1	-	442.0	Epoxy	0.275" (7.00mm)	-	-
B64290L0652X830 FERRITE CORE TOROID 2.71UH N30 EPCOS - TDK Electronics	4,007	-	RFQ	Datasheet	TX17.4/10.3/7	Box	Active	Toroid	-	N30	0.717" (18.20mm)	2.71 µH	±25%	Ungapped	-	4300	2.0	42.0	21.04	-	884.0	Epoxy	0.307" (7.80mm)	-	-
B64290L0743X038 FERRITE CORE TOROID 5.4UH T38 EPCOS - TDK Electronics	8,310	-	RFQ	Datasheet	TX16/9/5	Box	Active	Toroid	-	T38	0.661" (16.80mm)	5.4 µH	±30%	Ungapped	-	10000	2.33	36.75	15.78	-	580.0	Epoxy	0.215" (5.45mm)	-	-
B66317G0100X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	1,751	-	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)
TX10/6/4-3C90 FERRITE CORE TOROID 3C90 Ferroxcube	3,000	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	3C90	-	-	-	-	-	-	-	-	-	-	-	Epoxy	0.167" (4.25mm)	-	-
B66307G0240X187 FERRITE CORE E N87 EPCOS - TDK Electronics	2,796	-	RFQ	Datasheet	E16/8/5	Box	Active	E	E 16 x 8 x 5	N87	-	-	-	Gapped	-	2200	1.87	37.6	20.1	19.4	756.0	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B64290L0658X038 FERRITE CORE TOROID 4.42UH T38 EPCOS - TDK Electronics	1,453	-	RFQ	Datasheet	TX14/9/5	Box	Active	Toroid	-	T38	0.594" (15.10mm)	4.42 µH	±30%	Ungapped	-	10000	2.84	34.98	12.3	-	430.0	Epoxy	0.236" (6.00mm)	-	-
TX13/7.9/6.4-3E27 FERRITE CORE Ferroxcube	4,157	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.311" (7.90mm)	-	0.252" (6.40mm)
B64290L0045X035 FERRITE CORE TOROID 3.87UH T35 EPCOS - TDK Electronics	4,118	-	RFQ	Datasheet	TX16/9.6/6.3	Bulk	Active	Toroid	-	T35	0.677" (17.20mm)	3.87 µH	±25%	Ungapped	-	6000	1.95	38.52	19.73	-	760.0	Epoxy	0.287" (7.30mm)	-	-

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.