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
0074617A7 X FLUX ULTRA 060 PERM BROWN 620 Magnetics, a division of Spang & Co.	3,731	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	X FLUX ULTRA	2.440" (61.98mm)	189 nH	±8%	Ungapped	-	60	-	144.0	360.0	-	51800.0	Uncoated	0.984" (25.00mm)	-	-
B65646A0250A087 FERRITE CORE EPCOS - TDK Electronics	1,999	-	RFQ	Datasheet	PM50/39	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
C055046A2 MPP 550 PERM GREY 050 SIZE Magnetics, a division of Spang & Co.	100	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.530" (13.45mm)	255 nH	±8%	Ungapped	-	550	-	31.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-
0079102A7 FERRITE CORE TOROID 48NH KOOL MU Magnetics, a division of Spang & Co.	4,849	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	4.000" (101.60mm)	48 nH	±8%	Ungapped	-	26	-	243.0	358.0	-	86900.0	Coated	0.650" (16.51mm)	-	-
C055116A2 MPP 550 PERM GREY 120 SIZE Magnetics, a division of Spang & Co.	4,104	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.680" (17.27mm)	317 nH	±8%	Ungapped	-	550	-	41.2	19.2	-	791.0	Coated	0.280" (7.11mm)	-	-
0078102A7 FERRITE CORE TOROID 48NH XFLUX Magnetics, a division of Spang & Co.	4,906	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	4.000" (101.60mm)	48 nH	±8%	Ungapped	-	26	-	243.0	358.0	-	86900.0	Coated	0.650" (16.51mm)	-	-
0079615A7 FERRITE CORE TOROID 82NH KOOL MU Magnetics, a division of Spang & Co.	2,339	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.484" (63.09mm)	82 nH	±8%	Ungapped	-	26	-	144.0	360.0	-	51800.0	Coated	1.020" (25.91mm)	-	-
0074777A7 X FLUX ULTRA 060 PERM BROWN 778 Magnetics, a division of Spang & Co.	4,745	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	X FLUX ULTRA	3.063" (77.80mm)	209 nH	±8%	Ungapped	-	60	-	177.0	492.0	-	87100.0	Uncoated	1.018" (25.86mm)	-	-
0055256A2 FERRITE CORE TOROID 35NH MPP Magnetics, a division of Spang & Co.	4,914	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.570" (39.88mm)	35 nH	±8%	Ungapped	-	26	-	98.4	107.0	-	10600.0	Coated	0.570" (14.48mm)	-	-
0070072A7 KOOL MU ULTRA 060 PERM BLACK Magnetics, a division of Spang & Co.	3,363	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0070073A7 KOOL MU ULTRA 040 PERM BLACK Magnetics, a division of Spang & Co.	1,638	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B67410A0201X195 FERRITE CORE N95 EPCOS - TDK Electronics	4,175	-	RFQ	Datasheet	QU150/100/5	Box	Active	-	-	N95	-	-	-	Ungapped	-	3000	-	-	-	-	-	Uncoated	0.197" (5.00mm)	5.906" (150.00mm)	3.937" (100.00mm)
0R49928EC FERRITE CORE E 6.227UH Magnetics, a division of Spang & Co.	2,394	-	RFQ	Datasheet	-	Bulk	Active	E	-	-	-	6.227 µH	-	Ungapped	-	2300	-	274.0	738.0	692.0	202000.0	Uncoated	2.339" (59.40mm)	3.949" (100.30mm)	1.083" (27.50mm)
0055257A2 FERRITE CORE TOROID 19NH MPP Magnetics, a division of Spang & Co.	3,064	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	1.605" (40.77mm)	19 nH	±8%	Ungapped	-	14	-	98.4	107.0	-	10600.0	Coated	0.605" (15.37mm)	-	-
0074736A7 X FLUX ULTRA 040 PERM BROWN Magnetics, a division of Spang & Co.	4,661	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	X FLUX ULTRA	2.917" (74.09mm)	136 nH	±8%	Ungapped	-	40	-	184.0	497.0	-	91400.0	Uncoated	1.378" (35.00mm)	-	-
B65646A0510A048 FERRITE CORE PM N48 EPCOS - TDK Electronics	4,207	-	RFQ	Datasheet	PM50/39	Box	Active	PM	PM 50 x 39	N48	1.969" (50.00mm)	-	-	Gapped	-	2300	0.227	84.0	370.0	280.0	31000.0	Uncoated	0.768" (19.50mm)	-	-
B67345B0003X095 FERRITE CORE U 4.1UH N95 EPCOS - TDK Electronics	3,209	-	RFQ	Datasheet	U93/76/16	Box	Active	U	U 93 x 76 x 16	N95	-	4.1 µH	-20%, +30%	Ungapped	2578.0	-	0.79	354.0	448.0	448.0	159000.0	Uncoated	0.839" (21.30mm)	3.661" (93.00mm)	0.630" (16.00mm)
0074102A7 X FLUX ULTRA 026 PERM BROWN 102 Magnetics, a division of Spang & Co.	1,451	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	X FLUX ULTRA	4.000" (101.60mm)	48 nH	±8%	Ungapped	-	26	-	243.0	358.0	-	87000.0	Uncoated	0.650" (16.51mm)	-	-
0074099A7 X FLUX ULTRA 060 PERM BROWN 102 Magnetics, a division of Spang & Co.	3,550	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	X FLUX ULTRA	4.000" (101.60mm)	111 nH	±8%	Ungapped	-	60	-	243.0	358.0	-	87000.0	Uncoated	0.650" (16.51mm)	-	-
0079097A7 FERRITE CORE TOROID 35NH KOOL MU Magnetics, a division of Spang & Co.	1,050	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	4.055" (103.00mm)	35 nH	±8%	Ungapped	-	19	-	243.0	358.0	-	86900.0	Coated	0.705" (17.91mm)	-	-

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.