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
EQK2619E040L124 KOOL MU 040 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	1,809	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mµ	-	94 nH	±8%	Ungapped	-	40	-	63.9	119.8	-	7650.0	Uncoated	0.488" (12.40mm)	1.043" (26.50mm)	0.748" (19.00mm)
C058131A2 HIGH FLUX 060 PERM KHAKI 130 SIZ Magnetics, a division of Spang & Co.	1,761	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.465" (11.81mm)	26 nH	±8%	Ungapped	-	60	-	26.9	9.06	-	244.0	Coated	0.181" (4.60mm)	-	-
0078316A7 X FLUX 040 PERM BROWN 310 SIZE Magnetics, a division of Spang & Co.	2,378	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.900" (22.86mm)	29 nH	±8%	Ungapped	-	40	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
0078315A7 X FLUX 075 PERM BROWN 310 SIZE Magnetics, a division of Spang & Co.	1,607	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.900" (22.86mm)	54 nH	±8%	Ungapped	-	75	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
0078303A7 X FLUX 019 PERM BROWN 310 SIZE Magnetics, a division of Spang & Co.	3,903	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.900" (22.86mm)	14 nH	±8%	Ungapped	-	19	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
0078312A7 X FLUX 026 PERM BROWN 310 SIZE Magnetics, a division of Spang & Co.	1,693	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.900" (22.86mm)	19 nH	±8%	Ungapped	-	26	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
SP42311UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	3,756	-	RFQ	Datasheet	-	Bulk	Active	PS	-	P	0.902" (22.90mm)	4.013 µH	-	Ungapped	-	2500	-	28.6	61.0	53.6	1740.0	Uncoated	0.217" (5.51mm)	-	-
0078314A7 X FLUX 090 PERM BROWN 310 SIZE Magnetics, a division of Spang & Co.	4,701	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.900" (22.86mm)	65 nH	±8%	Ungapped	-	90	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
0L41426EC ER CORE Magnetics, a division of Spang & Co.	3,238	-	RFQ	Datasheet	-	Bulk	Active	ER	-	L	-	850 nH	±25%	Ungapped	-	900	-	19.0	17.6	17.3	333.0	Uncoated	0.116" (2.95mm)	0.579" (14.70mm)	0.268" (6.80mm)
0J42915TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,088	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	1.142" (29.00mm)	6.447 µH	±20%	Ungapped	-	5000	-	73.2	74.9	-	5481.0	Uncoated	0.598" (15.20mm)	-	-

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.