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
I93/28/16-3C94 FERRITE CORE I 3C94 Ferroxcube	1,544	-	RFQ	Datasheet	-	Bulk	Active	I	I 93 x 28 x 16	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.083" (27.50mm)	3.661" (93.00mm)	0.630" (16.00mm)
B65646A0250A027 FERRITE CORE PM 250NH N27 2PCS EPCOS - TDK Electronics	699	-	RFQ	Datasheet	PM50/39	Box	Active	PM	PM 50 x 39	N27	1.969" (50.00mm)	250 nH	±3%	Gapped	45.0	2000	0.227	84.0	370.0	280.0	31000.0	Uncoated	0.768" (19.50mm)	-	-
B64290L0043X037 FERRITE CORE TOROID 13UH T37 EPCOS - TDK Electronics	176	-	RFQ	Datasheet	TX58.3/32/18	Box	Active	Toroid	-	T37	2.366" (60.10mm)	13 µH	±25%	Ungapped	-	6000	0.58	134.0	230.0	-	30710.0	Epoxy	0.760" (19.30mm)	-	-
B65981Q0100K097 FERRITE CORE PQ 100NH N97 EPCOS - TDK Electronics	193	-	RFQ	Datasheet	PQ50/50	Tray	Active	PQ	PQ 50 x 50	N97	-	100 nH	±10%	Distributed Gapped	-	-	0.342	113.0	332.0	314.0	37630.0	Uncoated	0.984" (25.00mm)	1.969" (50.00mm)	6.702" (190.0mm)
B65646A0000R027 FERRITE CORE PM 7.4UH N27 2PCS EPCOS - TDK Electronics	150	-	RFQ	Datasheet	PM50/39	Box	Active	PM	PM 50 x 39	N27	1.969" (50.00mm)	7.4 µH	-20%, +30%	Ungapped	1340.0	2000	0.227	84.0	370.0	280.0	31000.0	Uncoated	0.768" (19.50mm)	-	-
TX58/41/18-4C65 FERRITE CORE TOROID 4C65 Ferroxcube	419	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 58 x 41 x 18	4C65	2.354" (59.80mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.729" (18.60mm)	-	-
I100/25/25-3C94 FERRITE CORE I 3C94 Ferroxcube	104	-	RFQ	Datasheet	-	Bulk	Active	I	I 100 x 25 x 25	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.000" (25.40mm)	4.000" (101.60mm)	1.000" (25.40mm)
PM50/39-3C94 FERRITE CORE PM 3C94 2PC SET Ferroxcube	198	-	RFQ	Datasheet	-	Bulk	Active	PM	PM 50 x 39	3C94	1.969" (50.00mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	1.535" (39.00mm)	-	-
TX80/40/15-4C65 FERRITE CORE TOROID 4C65 Ferroxcube	161	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 80 x 40 x 15	4C65	3.268" (83.00mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.626" (15.90mm)	-	-
B65713A0400A027 FERRITE CORE PM 400NH N27 2PCS EPCOS - TDK Electronics	3,795	-	RFQ	Datasheet	PM87/70	Box	Active	PM	PM 87 x 70	N27	3.425" (87.00mm)	400 nH	±3%	Gapped	51.0	2000	0.16	146.0	910.0	700.0	133000.0	Uncoated	1.378" (35.00mm)	-	-
8995101021 FERRITE CORE EFD 95 SET Fair-Rite Products Corp.	3,580	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	95	-	-	±25%	Ungapped	-	3000	327.0	23.6	7.2	6.6	171.0	Uncoated	0.205" (5.20mm)	-	-
9478102002 FERRITE CORE E 78 SET Fair-Rite Products Corp.	2,262	-	RFQ	Datasheet	-	Bulk	Active	E	-	78	-	-	±25%	Ungapped	-	2300	234.0	29.6	12.7	12.2	376.0	Uncoated	0.250" (6.35mm)	0.500" (12.70mm)	-
5978002101 FERRITE CORE TOROID 78 Fair-Rite Products Corp.	1,285	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	78	-	-	±25%	Ungapped	-	2300	-	10.4	1.5	-	15.7	Uncoated	0.050" (1.27mm)	-	-
9077002002 FERRITE CORE U 77 Fair-Rite Products Corp.	12,003	-	RFQ	Datasheet	-	Bulk	Active	U	-	77	-	-	-	Ungapped	-	2000	168.0	20.8	12.4	-	257.0	Uncoated	0.160" (4.06mm)	0.340" (8.64mm)	0.180" (4.57mm)
B64290A0038X010 FERRITE CORE TOROID EPCOS - TDK Electronics	1,402	-	RFQ	Datasheet	T10/6/4	Box	Active	Toroid	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B64290L0643X830 FERRITE CORE TOROID N30 EPCOS - TDK Electronics	6,932	-	RFQ	Datasheet	TX12.5/7.5/4.1	Box	Active	Toroid	-	N30	-	-	-	Gapped	-	4300	-	-	-	-	-	Epoxy	-	-	-
8978101021 FERRITE CORE EFD 78 SET Fair-Rite Products Corp.	6,840	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	78	-	-	±25%	Ungapped	-	2300	327.0	23.6	7.2	6.6	171.0	Uncoated	0.205" (5.20mm)	-	-
9498201002 FERRITE CORE E SET Fair-Rite Products Corp.	2,797	-	RFQ	Datasheet	-	Bulk	Active	E	-	-	-	-	±25%	Ungapped	-	2400	134.0	20.1	15.3	15.0	315.0	Uncoated	-	0.551" (14.00mm)	0.197" (5.00mm)
B66307G0060X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	8,153	-	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)
9478201002 FERRITE CORE E 78 SET Fair-Rite Products Corp.	2,458	-	RFQ	Datasheet	-	Bulk	Active	E	-	78	-	-	±25%	Ungapped	-	2300	134.0	20.1	15.3	15.0	315.0	Uncoated	-	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.