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
SR42318UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	3,989	-	RFQ	Datasheet	-	Bulk	Active	PS	-	R	0.902" (22.90mm)	3.066 µH	-	Ungapped	-	2300	-	41.6	62.2	53.6	2590.0	Uncoated	0.354" (9.00mm)	-	-
0F41107UG POT CORE Magnetics, a division of Spang & Co.	3,482	-	RFQ	Datasheet	-	Bulk	Active	P	-	F	0.437" (11.10mm)	2 µH	±25%	Ungapped	-	3000	-	15.5	16.2	13.2	251.0	Uncoated	0.128" (3.25mm)	-	-
SJ41408UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	1,591	-	RFQ	Datasheet	-	Bulk	Active	PS	-	J	0.551" (14.00mm)	4.5 µH	-	Ungapped	-	5000	-	20.2	23.0	19.2	460.0	Uncoated	0.167" (4.25mm)	-	-
SJ42311UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	4,697	-	RFQ	Datasheet	-	Bulk	Active	PS	-	J	0.902" (22.90mm)	7.875 µH	-	Ungapped	-	5000	-	28.6	61.0	53.6	1740.0	Uncoated	0.217" (5.51mm)	-	-
0075351A7 75 SERIES 060 PERM BLACK 350 SIZ Magnetics, a division of Spang & Co.	1,712	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	0.928" (23.57mm)	51 nH	±8%	Ungapped	-	60	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
XF40705TC TOROID BLACK COATED Magnetics, a division of Spang & Co.	1,467	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.313" (7.95mm)	2.505 µH	±20%	Ungapped	-	3000	-	15.0	9.9	-	149.0	Coated	0.196" (4.98mm)	-	-
0075352A7 75 SERIES 026 PERM BLACK 350 SIZ Magnetics, a division of Spang & Co.	1,202	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	0.928" (23.57mm)	22 nH	±8%	Ungapped	-	26	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
0075356A7 75 SERIES 040 PERM BLACK 350 SIZ Magnetics, a division of Spang & Co.	4,608	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	0.928" (23.57mm)	34 nH	±8%	Ungapped	-	40	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
ZP42908TC TOROID GREY COATED Magnetics, a division of Spang & Co.	2,437	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.177" (29.90mm)	1.585 µH	±25%	Ungapped	-	2500	-	73.2	36.0	-	2632.0	Epoxy	0.317" (8.05mm)	-	-
FR43808IC I-CORE - FLAT BACKS Magnetics, a division of Spang & Co.	2,321	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	R	-	9.028 µH	-	Ungapped	-	2300	-	43.7	194.0	194.0	8460.0	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)

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.