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
0079353A7 KOOL MU MAX 014 PERM BLACK 350 S Magnetics, a division of Spang & Co.	4,088	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	0.928" (23.57mm)	12 nH	±8%	Ungapped	-	14	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
0079352A7 KOOL MU MAX 026 PERM BLACK 350 S Magnetics, a division of Spang & Co.	4,844	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.928" (23.57mm)	22 nH	±8%	Ungapped	-	26	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
0R43610TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,678	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	1.417" (36.00mm)	2.03 µH	±25%	Ungapped	-	2300	-	89.7	63.9	-	5731.0	Uncoated	0.394" (10.00mm)	-	-
ZJ43113TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,829	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	1.255" (31.88mm)	6.2 µH	±20%	Ungapped	-	5000	-	75.4	73.6	-	5574.0	Epoxy	0.537" (13.65mm)	-	-
SW42311UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	4,110	-	RFQ	Datasheet	-	Bulk	Active	PS	-	W	0.902" (22.90mm)	16.071 µH	-	Ungapped	-	10000	-	28.6	61.0	53.6	1740.0	Uncoated	0.217" (5.51mm)	-	-
0R43220UG PQ CORE Magnetics, a division of Spang & Co.	3,035	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	R	-	6.64 µH	-	Ungapped	-	2300	-	55.9	169.0	142.0	9440.0	Uncoated	0.406" (10.30mm)	1.299" (33.00mm)	0.866" (22.00mm)
0078592A7 X FLUX 019 PERM BROWN 585 SIZE Magnetics, a division of Spang & Co.	3,672	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.350" (34.29mm)	12 nH	±8%	Ungapped	-	19	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
0078590A7 X FLUX 075 PERM BROWN 585 SIZE Magnetics, a division of Spang & Co.	4,255	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.350" (34.29mm)	47 nH	±8%	Ungapped	-	75	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
0078585A7 X FLUX 125 PERM BROWN 585 SIZE Magnetics, a division of Spang & Co.	1,262	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.350" (34.29mm)	79 nH	±8%	Ungapped	-	125	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
0078591A7 X FLUX 040 PERM BROWN 585 SIZE Magnetics, a division of Spang & Co.	4,544	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.350" (34.29mm)	25 nH	±8%	Ungapped	-	40	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-

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.