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
0P43230UG FERRITE CORE PQ 5.08UH P Magnetics, a division of Spang & Co.	1,220	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	P	-	5.08 µH	-	Ungapped	-	2500	-	74.7	167.0	-	12500.0	Uncoated	1.193" (30.30mm)	1.299" (33.00mm)	0.866" (22.00mm)
0078071A7 FERRITE CORE TOROID 61NH Magnetics, a division of Spang & Co.	481	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	1.291" (32.80mm)	61 nH	±8%	Ungapped	-	60	-	81.4	65.6	-	5340.0	Coated	0.420" (10.67mm)	-	-
5678362321 FERRITE CORE PS 78 SET Fair-Rite Products Corp.	108	-	RFQ	Datasheet	-	Bulk	Active	PS	-	78	-	-	±25%	Ungapped	-	2300	29.0	55.3	184.0	-	9780.0	Uncoated	0.429" (10.90mm)	-	-
9567250602 FERRITE CORE EQ 110NH 67 Fair-Rite Products Corp.	379	-	RFQ	Datasheet	-	Tray	Active	EQ	EQ 25 x 5.6 x 18	67	-	110 nH	-	Ungapped	-	-	0.352	32.8	93.3	82.8	3060.0	Uncoated	0.220" (5.60mm)	0.984" (25.00mm)	0.709" (18.00mm)
C058038A2 FERRITE CORE TOROID 84NH HIGH FL Magnetics, a division of Spang & Co.	1,434	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.425" (10.80mm)	84 nH	±8%	Ungapped	-	160	-	23.0	9.57	-	220.0	Coated	0.181" (4.60mm)	-	-
0074894A7 X FLUX ULTRA 060 PERM BROWN 930 Magnetics, a division of Spang & Co.	750	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	X FLUX ULTRA	1.060" (26.92mm)	78 nH	±8%	Ungapped	-	60	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
C058048A2 FERRITE CORE TOROID 72NH MPP Magnetics, a division of Spang & Co.	5,353	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.500" (12.70mm)	72 nH	±8%	Ungapped	-	160	-	31.2	10.9	-	340.0	Coated	0.187" (4.75mm)	-	-
B65807J0100A033 FERRITE CORE RM 100NH M33 2PCS EPCOS - TDK Electronics	1,663	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	M33	-	100 nH	±3%	Gapped	68.5	750	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
00K4317E060 FERRITE CORE E 163NH KOOL MU Magnetics, a division of Spang & Co.	730	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	163 nH	±8%	Ungapped	-	60	-	77.5	152.0	-	11800.0	Uncoated	0.650" (16.51mm)	1.609" (40.87mm)	0.493" (12.52mm)
0070121A7 KOOL MU ULTRA 060 PERM BLACK Magnetics, a division of Spang & Co.	212	-	RFQ	Datasheet	-	Bag	Active	Toroid	-	Kool Mµ	0.653" (16.59mm)	35 nH	±8%	Ungapped	-	60	-	41.2	19.2	-	793.0	Uncoated	0.250" (6.35mm)	-	-
B65511A0160C048 FERRITE CORE P N48 2PCS EPCOS - TDK Electronics	1,490	-	RFQ	Datasheet	P7/4	Box	Active	P (Pot Core)	P 7 x 4	N48	0.289" (7.35mm)	-	-	Gapped	-	-	1.43	10.0	7.0	-	70.0	Uncoated	0.083" (2.10mm)	-	-
9578404602 FERRITE CORE EER 78 SET Fair-Rite Products Corp.	194	-	RFQ	Datasheet	-	Bulk	Active	EER	-	78	-	-	±25%	Ungapped	-	2300	69.0	100.0	144.0	130.0	14420.0	Uncoated	-	1.575" (40.00mm)	-
B66325G1000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	801	-	RFQ	Datasheet	E42/21/15	Box	Active	E	E 42 x 21 x 15	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.835" (21.20mm)	1.654" (42.00mm)	0.598" (15.20mm)
B65807P0000R049 FERRITE CORE RM 2.2UH N49 2PCS EPCOS - TDK Electronics	2,004	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6 LP	N49	-	2.2 µH	-20%, +30%	Ungapped	1020.0	1500	0.58	21.8	37.5	31.2	820.0	Uncoated	0.177" (4.50mm)	0.701" (17.90mm)	0.323" (8.20mm)
ZW43610TC FERRITE CORE TOROID 9.085UH W Magnetics, a division of Spang & Co.	415	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	1.462" (37.14mm)	9.085 µH	±30%	Ungapped	-	10000	-	89.6	63.9	-	5731.0	Epoxy	0.424" (10.77mm)	-	-
0059121A2 FERRITE CORE TOROID 35NH EDGE Magnetics, a division of Spang & Co.	474	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	0.680" (17.27mm)	35 nH	±8%	Ungapped	-	60	-	41.2	19.2	-	791.0	Coated	0.280" (7.11mm)	-	-
0079894A7HT19 FERRITE CORE TOROID 120NH KOOLMU Magnetics, a division of Spang & Co.	491	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.060" (26.92mm)	120 nH	±8%	Ungapped	-	60	-	63.5	107.0	-	6790.0	Coated	0.708" (17.99mm)	-	-
B65811J0630J041 FERRITE CORE RM 630NH N41 2PCS EPCOS - TDK Electronics	186	-	RFQ	Datasheet	RM8	Box	Active	RM	RM 8	N41	-	630 nH	±5%	Gapped	298.0	2800	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
B65813J0400A087 FERRITE CORE RM N87 EPCOS - TDK Electronics	768	-	RFQ	Datasheet	RM10	Box	Active	RM	RM 10	N87	-	-	-	Gapped	-	2200	0.45	44.0	98.0	90.0	4310.0	Uncoated	0.368" (9.35mm)	1.122" (28.50mm)	0.531" (13.50mm)
0R43535UG PQ CORE Magnetics, a division of Spang & Co.	500	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	R	-	4.813 µH	-	Ungapped	-	2300	-	86.1	190.0	162.0	16300.0	Uncoated	0.683" (17.35mm)	1.421" (36.10mm)	1.024" (26.00mm)

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.