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
YM40705TC TOROID PARYLENE COATED Magnetics, a division of Spang & Co.	2,460	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.316" (8.02mm)	12.535 µH	±30%	Ungapped	-	15000	-	14.9	9.96	-	149.0	Parylene	0.199" (5.06mm)	-	-
0R42019EC EFD CORE Magnetics, a division of Spang & Co.	4,353	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	R	-	1.3 µH	-	Ungapped	-	2300	-	47.0	31.0	29.0	1460.0	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)
ZJ41506TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,387	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.545" (13.84mm)	2.295 µH	±20%	Ungapped	-	5000	-	30.6	11.2	-	343.0	Epoxy	0.176" (4.47mm)	-	-
YJ41003TC TOROID-PARYLENE COATED Magnetics, a division of Spang & Co.	3,220	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.388" (9.86mm)	2.196 µH	±20%	Ungapped	-	5000	-	20.7	7.3	-	151.0	Parylene	0.133" (3.38mm)	-	-
0W41306TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,471	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.500" (12.70mm)	5.936 µH	-	Ungapped	-	10000	-	31.7	14.0	-	451.0	Uncoated	0.250" (6.35mm)	-	-
0W41406TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,698	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.500" (12.70mm)	7.224 µH	±30%	Ungapped	-	10000	-	29.5	17.17	-	507.0	Uncoated	0.250" (6.35mm)	-	-
0F42510EC E-SHAPE CORE Magnetics, a division of Spang & Co.	2,762	-	RFQ	Datasheet	-	Bulk	Active	E	-	F	-	2.3 µH	±25%	Ungapped	-	3000	-	49.0	39.5	37.0	1930.0	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.250" (6.35mm)
0R42515UC U-SHAPE CORE Magnetics, a division of Spang & Co.	4,512	-	RFQ	Datasheet	-	Bulk	Active	U	-	R	-	1.107 µH	-	Ungapped	-	2300	-	83.4	40.4	40.4	3370.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.250" (6.35mm)
0J41610TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,865	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.626" (15.90mm)	5.41 µH	-	Ungapped	-	5000	-	37.2	31.2	-	1164.0	Uncoated	0.370" (9.40mm)	-	-
ZM41407TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,617	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.530" (13.45mm)	8.19 µH	±30%	Ungapped	-	15000	-	29.5	12.9	-	381.0	Epoxy	0.213" (5.40mm)	-	-

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.