Ferrite Cores

Compare the current Ferrite Cores Magnetics - Transformer, Inductor Components selection by manufacturer, stock status, datasheet and technical parameters. Use these details to narrow the list to parts that match your design, maintenance or purchasing requirements.

For a specific MPN, package, electrical rating or quantity requirement, send the details to EGOO. We can help confirm availability, quotation and alternative sourcing options.

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
00K5529U026 FERRITE CORE U 85NH KOOL MU Magnetics, a division of Spang & Co.	4,147	-	RFQ	Datasheet	-	Bulk	Active	U	-	Kool Mu	-	85 nH	±8%	Ungapped	-	26	-	168.0	244.0	-	40.992	Uncoated	1.085" (27.56mm)	2.160" (54.86mm)	0.912" (23.16mm)
0R49938EC FERRITE CORE E 9.81UH Magnetics, a division of Spang & Co.	4,282	-	RFQ	Datasheet	-	Bulk	Active	E	-	-	-	9.81 µH	-	Ungapped	-	2300	-	148.0	540.0	-	79800.0	Uncoated	0.799" (20.30mm)	4.016" (102.00mm)	1.476" (37.50mm)
ZP47313TC FERRITE CORE TOROID 4.024UH P Magnetics, a division of Spang & Co.	3,218	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	2.955" (75.06mm)	4.024 µH	±25%	Ungapped	-	2500	-	165.0	210.0	-	34771.0	Epoxy	0.525" (13.34mm)	-	-
0079083A7 FERRITE CORE TOROID 81NH KOOL MU Magnetics, a division of Spang & Co.	2,808	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.605" (40.77mm)	81 nH	±8%	Ungapped	-	60	-	98.4	107.0	-	10600.0	Coated	0.605" (15.37mm)	-	-
0077189A7 FERRITE CORE TOROID 92NH KOOL MU Magnetics, a division of Spang & Co.	2,677	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.285" (58.04mm)	92 nH	±8%	Ungapped	-	40	-	125.0	229.0	-	28600.0	Coated	0.635" (16.13mm)	-	-
0077191A7 FERRITE CORE TOROID 60NH KOOL MU Magnetics, a division of Spang & Co.	3,989	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.285" (58.04mm)	60 nH	±8%	Ungapped	-	26	-	125.0	229.0	-	28600.0	Coated	0.635" (16.13mm)	-	-
0074189A7 X FLUX ULTRA 040 PERM BROWN Magnetics, a division of Spang & Co.	1,036	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
00K8044E026 FERRITE CORE E 91NH KOOL MU Magnetics, a division of Spang & Co.	4,167	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	91 nH	±8%	Ungapped	-	26	-	208.0	389.0	-	80900.0	Uncoated	1.755" (44.58mm)	3.150" (80.00mm)	0.780" (19.80mm)
0070083A7 KOOL MU ULTRA 060 PERM BLACK Magnetics, a division of Spang & Co.	3,621	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	Kool Mµ	1.570" (39.88mm)	55 nH	±8%	Ungapped	-	40	-	98.5	107.0	-	10600.0	Uncoated	0.570" (14.48mm)	-	-
0079440A7 FERRITE CORE TOROID 59NH KOOL MU Magnetics, a division of Spang & Co.	4,874	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.875" (47.63mm)	59 nH	±8%	Ungapped	-	26	-	107.0	199.0	-	21300.0	Coated	0.745" (18.92mm)	-	-

Ferrite Cores FAQ

How can I narrow the current Ferrite Cores selection?

Use the available manufacturer and technical filters to compare matching parts by specifications, stock status, pricing and datasheet information.

Can EGOO help source hard-to-find or obsolete Ferrite Cores parts?

Yes. Send the manufacturer part number and required quantity to our sourcing team for availability, lead-time and alternative sourcing support.

Can I request a quotation for a BOM or small-batch requirement?

Yes. EGOO supports BOM sourcing, prototype quantities and small-batch purchasing. Provide your part list and quantities for a quotation review.

What information should I provide when requesting a quote?

Please provide the target part number, manufacturer, quantity and any required date code, package or delivery requirements so our team can respond more accurately.