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
0078554A7 X FLUX 019 PERM BROWN 548 SIZE Magnetics, a division of Spang & Co.	3,490	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.291" (32.80mm)	20 nH	±8%	Ungapped	-	19	-	81.4	65.6	-	5340.0	Uncoated	0.420" (10.67mm)	-	-
0078552A7 X FLUX 090 PERM BROWN 548 SIZE Magnetics, a division of Spang & Co.	2,058	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.291" (32.80mm)	91 nH	±8%	Ungapped	-	90	-	81.4	65.6	-	5340.0	Uncoated	0.420" (10.67mm)	-	-
0078555A7 X FLUX 040 PERM BROWN 548 SIZE Magnetics, a division of Spang & Co.	2,819	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.291" (32.80mm)	41 nH	±8%	Ungapped	-	40	-	81.4	65.6	-	5340.0	Uncoated	0.420" (10.67mm)	-	-
0078550A7 X FLUX 026 PERM BROWN 548 SIZE Magnetics, a division of Spang & Co.	2,920	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.291" (32.80mm)	28 nH	±8%	Ungapped	-	26	-	81.4	65.6	-	5340.0	Uncoated	0.420" (10.67mm)	-	-
0078553A7 X FLUX 075 PERM BROWN 548 SIZE Magnetics, a division of Spang & Co.	1,147	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.291" (32.80mm)	76 nH	±8%	Ungapped	-	75	-	81.4	65.6	-	5340.0	Uncoated	0.420" (10.67mm)	-	-
SF42616UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	3,972	-	RFQ	Datasheet	-	Bulk	Active	PS	-	F	1.004" (25.50mm)	5.3 µH	±25%	Ungapped	-	3000	-	38.3	82.6	62.7	3180.0	Uncoated	0.317" (8.05mm)	-	-
0078548A7 X FLUX 125 PERM BROWN 548 SIZE Magnetics, a division of Spang & Co.	3,421	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	1.291" (32.80mm)	127 nH	±8%	Ungapped	-	125	-	81.4	65.6	-	5340.0	Uncoated	0.420" (10.67mm)	-	-
ERX4013E060L224 X FLUX 060 PERM EER 4013 SIZE Magnetics, a division of Spang & Co.	4,190	-	RFQ	Datasheet	-	Bulk	Active	EER	-	XFlux	-	111 nH	±8%	Ungapped	-	60	-	111.3	149.1	-	16600.0	Uncoated	0.882" (22.40mm)	1.575" (40.00mm)	0.524" (13.30mm)
C058020A2 HIGH FLUX 125 PERM KHAKI 020 SIZ Magnetics, a division of Spang & Co.	1,688	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.275" (6.99mm)	50 nH	±8%	Ungapped	-	125	-	13.6	4.7	-	64.0	Coated	0.135" (3.43mm)	-	-
ERX4013E026L224 X FLUX 026 PERM EER 4013 SIZE Magnetics, a division of Spang & Co.	2,869	-	RFQ	Datasheet	-	Bulk	Active	EER	-	XFlux	-	59 nH	-	Ungapped	-	26	-	111.3	149.1	-	16600.0	Uncoated	0.882" (22.40mm)	1.575" (40.00mm)	0.524" (13.30mm)

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.