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
0079441A7 KOOL MU MAX 014 PERM BLACK 438 S Magnetics, a division of Spang & Co.	3,277	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.840" (46.74mm)	32 nH	±8%	Ungapped	-	14	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0T48020EC E-CORE Magnetics, a division of Spang & Co.	1,905	-	RFQ	Datasheet	-	Bulk	Active	E	-	T	-	6.73 µH	±25%	Ungapped	-	3000	-	184.0	392.0	392.0	72300.0	Uncoated	1.500" (38.10mm)	3.150" (80.00mm)	0.780" (19.80mm)
0079431A7 KOOL MU MAX 040 PERM BLACK 438 S Magnetics, a division of Spang & Co.	2,693	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.840" (46.74mm)	90 nH	±8%	Ungapped	-	40	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0079430A7 KOOL MU MAX 019 PERM BLACK 438 S Magnetics, a division of Spang & Co.	2,751	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.840" (46.74mm)	43 nH	±8%	Ungapped	-	19	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0076431A7 KOOL MU HF 040 PERM BLACK 438 SI Magnetics, a division of Spang & Co.	4,675	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.840" (46.74mm)	90 nH	±8%	Ungapped	-	40	-	107.4	198.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0076440A7 KOOL MU HF 026 PERM BLACK 438 SI Magnetics, a division of Spang & Co.	2,125	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.840" (46.74mm)	59 µH	±8%	Ungapped	-	26	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0076439A7 KOOL MU HF 060 PERM BLACK 438 SI Magnetics, a division of Spang & Co.	3,597	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.840" (46.74mm)	135 nH	±8%	Ungapped	-	60	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
00K6030B026HT25 KOOL MU 6030 BLOCK Magnetics, a division of Spang & Co.	2,613	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	26	-	-	-	-	45000.0	Uncoated	1.181" (30.00mm)	2.362" (60.00mm)	0.984" (25.00mm)
0078867A7 X FLUX 060 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	1,274	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	68 nH	±8%	Ungapped	-	60	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078870A7 X FLUX 090 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	1,533	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	102 nH	±8%	Ungapped	-	90	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078868A7 X FLUX 026 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	2,841	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	30 nH	±8%	Ungapped	-	26	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078871A7 X FLUX 075 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	4,610	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	85 nH	±8%	Ungapped	-	75	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078872A7 X FLUX 040 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	1,524	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	45 nH	±8%	Ungapped	-	40	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
0078873A7 X FLUX 019 PERM BROWN 866 SIZE Magnetics, a division of Spang & Co.	4,792	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	22 nH	±8%	Ungapped	-	19	-	196.0	176.0	-	34500.0	Uncoated	0.500" (12.70mm)	-	-
E71/33/32-3C95-G4500 Ferrite Misc Ferroxcube	2,388	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E71/33/32-3C95-G3000 Ferrite Misc Ferroxcube	4,565	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0055115AY MPP 300 PERM AY 120 SIZE Magnetics, a division of Spang & Co.	2,663	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.653" (16.59mm)	173 nH	±8%	Ungapped	-	300	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
00K9541B026HT20 KOOL MU DBL LENGTH 4741 BLOCK Magnetics, a division of Spang & Co.	2,619	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P30/19-3H3-A630/N Ferrite Misc Ferroxcube	4,105	-	RFQ	Datasheet	-	Bulk	Active	P	P 30 x 19	3H3	1.181" (30.00mm)	630 nH	±3%	Gapped	165.0	-	0.33	45.2	137.0	116.0	6190.0	Uncoated	0.740" (18.80mm)	-	-
P30/19-3H3-A400/N Ferrite Misc Ferroxcube	3,669	-	RFQ	Datasheet	-	Bulk	Active	P	P 30 x 19	3H3	1.181" (30.00mm)	400 nH	±3%	Gapped	105.0	-	0.33	45.2	137.0	116.0	6190.0	Uncoated	0.370" (9.40mm)	-	-

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.