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
EC90/45/30-3C94 FERRITE CORE Ferroxcube	3,702	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
EC90/45/30-3C90 Ferrite Misc Ferroxcube	1,097	-	RFQ	Datasheet	-	Bulk	Active	EC	-	3C90	-	-	±25%	Ungapped	2100.0	-	-	-	-	-	-	Uncoated	-	-	-
0059451A2S01 EDGE HDCB 060 PERM GREEN 454 SIZ Magnetics, a division of Spang & Co.	1,379	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High DCB Edge	1.689" (42.90mm)	108 nH	±8%	Ungapped	-	60	-	102.6	146.0	-	15000.0	Uncoated	0.640" (16.26mm)	-	-
0059453A2 EDGE 090 PERM GREEN 454 SIZE Magnetics, a division of Spang & Co.	2,604	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	1.689" (42.90mm)	161 nH	±8%	Ungapped	-	90	-	103.0	148.0	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0059454A2 EDGE 125 PERM GREEN 454 SIZE Magnetics, a division of Spang & Co.	3,882	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	1.689" (42.90mm)	226 nH	±8%	Ungapped	-	125	-	103.0	148.0	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0059451A2 EDGE 060 PERM GREEN 454 SIZE Magnetics, a division of Spang & Co.	2,601	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	1.689" (42.90mm)	108 nH	±8%	Ungapped	-	60	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0077101A7 KOOL MU 014 PERM BLACK 102 SIZE Magnetics, a division of Spang & Co.	4,357	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	4.000" (101.60mm)	26 nH	±8%	Ungapped	-	14	-	242.7	358.0	-	87000.0	Uncoated	0.650" (16.51mm)	-	-
0077100A7 KOOL MU 040 PERM BLACK 102 SIZE Magnetics, a division of Spang & Co.	4,983	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	4.000" (101.60mm)	74 nH	±8%	Ungapped	-	40	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-
0077099A7 KOOL MU 060 PERM BLACK 102 SIZE Magnetics, a division of Spang & Co.	2,843	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	4.000" (101.60mm)	111 nH	±8%	Ungapped	-	60	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-
0077098A7 KOOL MU 125 PERM BLACK 102 SIZE Magnetics, a division of Spang & Co.	2,270	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	4.000" (101.60mm)	232 nH	±8%	Ungapped	-	125	-	243.0	358.0	-	86900.0	Uncoated	0.650" (16.51mm)	-	-
T58/41/18-3E65 FERRITE CORE TOROID 3E+65 Ferroxcube	4,489	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	3E65	2.295" (58.30mm)	-	±25%	-	5200.0	-	-	-	-	-	-	Uncoated	0.693" (17.60mm)	-	-
C058254A5 OBSOLETE HIGH FLUX 125 PERM KHAK Magnetics, a division of Spang & Co.	1,818	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MACC0025 AMORPHOUS CUT CORE Magnetics, a division of Spang & Co.	1,282	-	RFQ	Datasheet	-	Bulk	Active	U	-	Amorphous	-	-	-	Ungapped	-	-	-	179.0	360.0	-	-	Uncoated	1.654" (42.00mm)	1.654" (42.00mm)	0.984" (25.00mm)
MACC0020Y AMORPHOUS CUT CORE Magnetics, a division of Spang & Co.	3,957	-	RFQ	Datasheet	-	Bulk	Active	U	-	Amorphous	-	-	-	Ungapped	-	-	-	162.0	280.0	-	-	Uncoated	1.437" (36.50mm)	1.398" (35.50mm)	1.181" (30.00mm)
0079075A7 KOOL MU MAX 014 PERM BLACK 070 S Magnetics, a division of Spang & Co.	2,941	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.677" (68.00mm)	35 nH	±8%	Ungapped	-	14	-	158.0	314.0	-	49700.0	Uncoated	0.787" (20.00mm)	-	-
0079067A7 KOOL MU MAX 019 PERM BLACK 070 S Magnetics, a division of Spang & Co.	1,832	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.677" (68.00mm)	48 nH	±8%	Ungapped	-	19	-	158.0	314.0	-	49700.0	Uncoated	0.787" (20.00mm)	-	-
0079074A7 KOOL MU MAX 026 PERM BLACK 070 S Magnetics, a division of Spang & Co.	3,340	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.677" (68.00mm)	65 nH	±8%	Ungapped	-	26	-	158.0	314.0	-	49700.0	Uncoated	0.787" (20.00mm)	-	-
0079073A7 KOOL MU MAX 040 PERM BLACK 070 S Magnetics, a division of Spang & Co.	2,205	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.677" (68.00mm)	100 nH	±8%	Ungapped	-	40	-	158.0	314.0	-	49700.0	Uncoated	0.787" (20.00mm)	-	-
0076072A7 KOOL MU HF 060 PERM BLACK 070 SI Magnetics, a division of Spang & Co.	4,004	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0079072A7 KOOL MU MAX 060 PERM BLACK 070 S Magnetics, a division of Spang & Co.	4,405	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.677" (68.00mm)	143 nH	±8%	Ungapped	-	60	-	158.0	314.0	-	49700.0	Uncoated	0.787" (20.00mm)	-	-

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.