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
SP42318UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	4,893	-	RFQ	Datasheet	-	Bulk	Active	PS	-	P	0.902" (22.90mm)	3.333 µH	-	Ungapped	-	2500	-	41.6	62.2	53.6	2590.0	Uncoated	0.354" (9.00mm)	-	-
0R41811UG POT CORE Magnetics, a division of Spang & Co.	4,648	-	RFQ	Datasheet	-	Bulk	Active	P	-	R	0.709" (18.00mm)	3.067 µH	-	Ungapped	-	2300	-	25.8	43.3	36.0	1120.0	Uncoated	0.209" (5.30mm)	-	-
ZM42206TC TOROID EPOXY COATED Magnetics, a division of Spang & Co.	3,559	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.908" (23.07mm)	8.494 µH	±30%	Ungapped	-	15000	-	54.1	25.7	-	1393.0	Epoxy	0.276" (7.00mm)	-	-
YP41206TC TOROID PARYLENE COATED Magnetics, a division of Spang & Co.	2,853	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.518" (13.16mm)	2.82 µH	±25%	Ungapped	-	2500	-	25.0	22.0	-	550.0	Parylene	0.264" (6.71mm)	-	-
0P41814UG POT CORE Magnetics, a division of Spang & Co.	2,590	-	RFQ	Datasheet	-	Bulk	Active	P	-	P	0.709" (18.00mm)	3.268 µH	-	Ungapped	-	2500	-	29.3	42.6	36.0	1248.0	Uncoated	0.280" (7.11mm)	-	-
SR42311UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	3,389	-	RFQ	Datasheet	-	Bulk	Active	PS	-	R	0.902" (22.90mm)	3.687 µH	-	Ungapped	-	2300	-	28.6	61.0	53.6	1740.0	Uncoated	0.217" (5.51mm)	-	-
ZF42915TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,176	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	1.187" (30.15mm)	3.868 µH	±20%	Ungapped	-	3000	-	73.2	74.9	-	5481.0	Epoxy	0.638" (16.20mm)	-	-
0P42020UG PQ CORE Magnetics, a division of Spang & Co.	1,715	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	P	-	3.213 µH	-	Ungapped	-	2500	-	45.7	62.6	59.1	2850.0	Uncoated	0.398" (10.10mm)	0.839" (21.30mm)	0.551" (14.00mm)
C058051A2 HIGH FLUX 060 PERM KHAKI 050 SIZ Magnetics, a division of Spang & Co.	3,008	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.530" (13.45mm)	27 nH	±8%	Ungapped	-	60	-	31.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-
ZR42507TC TOROID GREY COATED Magnetics, a division of Spang & Co.	2,091	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	1.035" (26.29mm)	1.8 µH	±25%	Ungapped	-	2300	-	61.5	39.0	-	2361.0	Epoxy	0.337" (8.55mm)	-	-

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.