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
4061378111 FERRITE CORE ROD 61 Fair-Rite Products Corp.	451	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	61	0.374" (9.50mm)	-	-	Ungapped	-	125	-	-	-	-	-	Uncoated	-	1.000" (25.40mm)	-
B65803J0000R087 FERRITE CORE RM 1.1UH N87 2PCS EPCOS - TDK Electronics	8,178	-	RFQ	Datasheet	RM4	Box	Active	RM	RM 4	N87	-	1.1 µH	-20%, +30%	Ungapped	1480.0	2200	1.7	22.0	13.0	11.3	286.0	Uncoated	0.207" (5.25mm)	0.433" (11.00mm)	0.181" (4.60mm)
2631801102 31 ROUND SUPPRESSION CORE Fair-Rite Products Corp.	2,176	-	RFQ	Datasheet	-	Bag	Active	Toroid	-	31	0.490" (12.45mm)	-	-	Ungapped	-	-	-	31.2	15.0	-	466.0	Uncoated	0.240" (6.10mm)	-	-
0077310A7 FERRITE CORE TOROID 90NH KOOL MU Magnetics, a division of Spang & Co.	1,806	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.930" (23.62mm)	90 nH	±8%	Ungapped	-	125	-	56.7	31.7	-	1800.0	Coated	0.330" (8.38mm)	-	-
2867006802 FERRITE CORE 4 HOLE 180NH 67 Fair-Rite Products Corp.	1,108	-	RFQ	Datasheet	-	Tray	Active	Multi-Hole (2)	-	67	-	180 nH	-	Ungapped	-	40	-	-	-	-	-	Uncoated	1.062" (26.97mm)	0.525" (13.34mm)	0.295" (7.49mm)
5943001601 FERRITE CORE TOROID 43 Fair-Rite Products Corp.	404	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	43	-	-	±20%	Ungapped	-	800	-	76.0	47.0	-	3530.0	Uncoated	-	-	0.311" (7.90mm)
0077059A7 FERRITE CORE TOROID 43NH KOOL MU Magnetics, a division of Spang & Co.	1,625	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.930" (23.62mm)	43 nH	±8%	Ungapped	-	60	-	56.7	31.7	-	1800.0	Coated	0.330" (8.38mm)	-	-
B66283K0000X149 FERRITE CORE I N49 EPCOS - TDK Electronics	479	-	RFQ	Datasheet	I18/2/10	Tray	Active	I	I 18 x 2 x 10	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.079" (2.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
0059050A2 FERRITE CORE TOROID 56NH EDGE Magnetics, a division of Spang & Co.	4,430	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	0.500" (12.70mm)	56 nH	±8%	Ungapped	-	125	-	31.2	10.9	-	340.0	Coated	0.187" (4.75mm)	-	-
B66358G0200X187 FERRITE CORE ETD N87 1PC EPCOS - TDK Electronics	342	-	RFQ	Datasheet	ETD29/16/10	Box	Active	ETD	ETD 29 x 16 x 10	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.630" (16.00mm)	1.205" (30.60mm)	0.386" (9.80mm)
TX25/15/10-3E10-M FERRITE CORE TOROID Ferroxcube	178	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 25 x 15 x 10	-	1.007" (25.95mm)	-	±30%	Ungapped	10000.0	-	1.23	60.2	48.9	-	2944.0	Epoxy	0.429" (10.90mm)	-	-
PC95ELT15.5X5.8-Z FERRITE CORE ELH 3.68UH 1SET TDK Corporation	1,044	-	RFQ	Datasheet	Planar	Tray	Active	ELH, PLT	ELT 15.5 x 5.8	PC95	-	3.68 µH	±25%	Ungapped	-	-	0.6	32.9	19.6	31.9	646.0	Uncoated	0.174" (4.42mm)	0.610" (15.50mm)	0.488" (12.40mm)
B66423G0000X197 FERRITE CORE EFD N97 1PC EPCOS - TDK Electronics	882	-	RFQ	Datasheet	EFD30/15/9	Box	Active	EFD	EFD 30 x 15 x 9	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
3078990911 FERRITE CORE ROD 78 Fair-Rite Products Corp.	1,647	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	78	0.315" (8.00mm)	-	-	Ungapped	20.0	2300	-	-	50.3	-	-	Uncoated	-	1.772" (45.00mm)	-
E22/6/16/R-3C95 FERRITE CORE E 3C95 Ferroxcube	1,143	-	RFQ	Datasheet	-	Bulk	Active	E	E 22 x 6 x 16	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
ZW41809TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,004	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.764" (19.41mm)	12.2 µH	±30%	Ungapped	-	10000	-	41.1	43.1	-	1783.0	Epoxy	0.434" (11.02mm)	-	-
B66283G0000X149 FERRITE CORE ELP N49 1PC EPCOS - TDK Electronics	5,874	-	RFQ	Datasheet	ELP18/4/10	Box	Active	ELP	ELP 18 x 4 x 10	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
B64290L0719X038 FERRITE CORE TOROID 7.57UH T38 EPCOS - TDK Electronics	3,480	-	RFQ	Datasheet	TX22/14/7.9	Box	Active	Toroid	-	T38	0.917" (23.30mm)	7.57 µH	±30%	Ungapped	-	10000	1.66	54.2	32.6	-	1763.0	Epoxy	0.354" (9.00mm)	-	-
B64290L0719X049 FERRITE CORE TOROID 1.13UH N49 EPCOS - TDK Electronics	1,136	-	RFQ	Datasheet	TX22/14/7.9	Box	Active	Toroid	-	N49	0.917" (23.30mm)	1.13 µH	±25%	Ungapped	-	1500	1.66	54.2	32.6	-	1763.0	Epoxy	0.354" (9.00mm)	-	-
ZW42206TC FERRITE CORE TOROID 6.04UH W Magnetics, a division of Spang & Co.	1,942	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.908" (23.07mm)	6.04 µH	±30%	Ungapped	-	10000	-	54.2	25.7	-	1393.0	Epoxy	0.276" (7.00mm)	-	-

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.