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
0079735A7 FERRITE CORE TOROID 88NH KOOL MU Magnetics, a division of Spang & Co.	2,203	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.961" (75.21mm)	88 nH	±8%	Ungapped	-	26	-	184.0	497.0	-	91400.0	Coated	1.414" (35.92mm)	-	-
0R49740TC TOROID Magnetics, a division of Spang & Co.	4,385	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	5.512" (140.00mm)	3.2 µH	±25%	Ungapped	-	2300	-	381.5	422.3	-	161086.0	Uncoated	0.984" (25.00mm)	-	-
B64290A0696X010 FERRITE CORE TOROID 600NH K10 EPCOS - TDK Electronics	4,206	-	RFQ	Datasheet	T68/48/13	Box	Active	Toroid	R 68 x 40 x 13	K10	2.677" (68.00mm)	600 nH	±25%	Ungapped	-	700	1.39	178.6	128.7	-	22980.0	Uncoated	0.512" (13.00mm)	-	-
MACC0063 FERRITE CORE U AMORPHOUS Magnetics, a division of Spang & Co.	3,309	-	RFQ	Datasheet	-	Bulk	Active	U	-	Amorphous	-	-	-	Ungapped	-	-	-	232.0	440.0	-	-	Uncoated	2.067" (52.50mm)	2.106" (53.50mm)	1.181" (30.00mm)
B64290L0730X065 FERRITE CORE TOROID 6.28UH T65 EPCOS - TDK Electronics	1,931	-	RFQ	Datasheet	TX87/54.3/13.5	Box	Active	Toroid	-	T65	3.516" (89.30mm)	6.28 µH	±30%	Ungapped	-	5000	0.99	213.9	216.7	-	46360.0	Epoxy	0.573" (14.80mm)	-	-
C058867A2 FERRITE CORE TOROID 68NH HIGH FL Magnetics, a division of Spang & Co.	1,759	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	3.063" (77.80mm)	68 nH	±8%	Ungapped	-	60	-	196.0	176.0	-	34500.0	Coated	0.500" (12.70mm)	-	-
0070615A7 KOOL MU ULTRA 026 PERM BLACK Magnetics, a division of Spang & Co.	3,655	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	Kool Mµ	2.440" (61.98mm)	82 nH	±8%	Ungapped	-	26	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
B67410A0289X195 QU100/100/6 N95 EPCOS - TDK Electronics	3,318	-	RFQ	Datasheet	B67410	Tray	Active	-	-	N95	-	-	-	Ungapped	-	3000	-	-	-	-	-	Uncoated	0.236" (6.00mm)	3.937" (100.00mm)	3.937" (100.00mm)
0058112A2 FERRITE CORE TOROID 18NH HIGH FL Magnetics, a division of Spang & Co.	3,141	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	2.285" (58.04mm)	18 nH	±8%	Ungapped	-	14	-	143.0	144.0	-	20650.0	Coated	0.585" (14.86mm)	-	-
C055716A2 FERRITE CORE TOROID 73NH MPP Magnetics, a division of Spang & Co.	4,816	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.000" (50.80mm)	73 nH	±8%	Ungapped	-	60	-	127.0	125.0	-	15900.0	Coated	0.530" (13.46mm)	-	-
B67345B0003X087 FERRITE CORE U N87 1PC EPCOS - TDK Electronics	4,379	-	RFQ	Datasheet	U93/76/16	Box	Active	U	U 93 x 76 x 16	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	2.992" (76.00mm)	3.661" (93.00mm)	0.630" (16.00mm)
B67345B0010X087 FERRITE CORE U N87 1PC EPCOS - TDK Electronics	4,671	-	RFQ	Datasheet	U93/76/20	Box	Active	U	U 93 x 76 x 20	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	2.992" (76.00mm)	3.661" (93.00mm)	0.787" (20.00mm)
0077337A7 FERRITE CORE TOROID 68NH KOOL MU Magnetics, a division of Spang & Co.	2,288	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	5.219" (132.56mm)	68 nH	±8%	Ungapped	-	26	-	324.0	678.0	-	220000.0	Coated	1.000" (25.40mm)	-	-
0077339A7 FERRITE CORE TOROID 158NH KOOLMU Magnetics, a division of Spang & Co.	3,097	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	5.274" (133.96mm)	158 nH	±8%	Ungapped	-	60	-	324.0	678.0	-	220000.0	Coated	1.055" (26.80mm)	-	-
0077336A7 FERRITE CORE TOROID 37NH KOOL MU Magnetics, a division of Spang & Co.	3,362	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	5.274" (133.96mm)	37 nH	±8%	Ungapped	-	14	-	324.0	678.0	-	220000.0	Coated	1.055" (26.80mm)	-	-
0058440A2 FERRITE CORE TOROID 59NH Magnetics, a division of Spang & Co.	4,301	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	1.839" (46.70mm)	59 nH	±8%	Ungapped	-	26	-	107.0	199.0	427.0	21300.0	Coated	0.709" (18.00mm)	-	-
C055109A2 FERRITE CORE TOROID 156NH MPP Magnetics, a division of Spang & Co.	3,913	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.285" (58.04mm)	156 nH	±8%	Ungapped	-	125	-	143.0	144.0	-	20700.0	Coated	0.585" (14.86mm)	-	-
C058195A2 FERRITE CORE TOROID 287NH HI FLX Magnetics, a division of Spang & Co.	4,942	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	2.252" (57.20mm)	287 nH	±8%	Ungapped	-	125	-	125.0	229.0	-	28600.0	Coated	0.598" (15.20mm)	-	-
C055106A2 FERRITE CORE TOROID 250NH MPP Magnetics, a division of Spang & Co.	3,810	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.285" (58.04mm)	250 nH	±8%	Ungapped	-	200	-	143.0	144.0	-	20700.0	Coated	0.585" (14.86mm)	-	-
B64290L0084X038 FERRITE CORE TOROID T38 EPCOS - TDK Electronics	3,155	-	RFQ	Datasheet	TX102/66/15	Box	Active	Toroid	-	T38	-	-	-	Gapped	-	10000	-	-	-	-	-	Epoxy	-	-	-

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.