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
0P42523EC EFD CORE Magnetics, a division of Spang & Co.	3,554	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	P	-	2.28 µH	-	Ungapped	-	2500	-	57.0	58.0	55.0	3300.0	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
0F40907TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,765	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.375" (9.53mm)	2.26 µH	±20%	Ungapped	-	3000	-	22.7	13.7	-	310.0	Uncoated	0.280" (7.11mm)	-	-
CL41805IC PI CS CORE Magnetics, a division of Spang & Co.	1,496	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	L	-	1.8 µH	±25%	Ungapped	-	900	-	20.3	39.5	35.9	830.0	Uncoated	0.094" (2.40mm)	0.709" (18.00mm)	0.394" (10.00mm)
0W41303TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,084	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.500" (12.70mm)	2.976 µH	-	Ungapped	-	10000	-	31.7	7.1	-	226.0	Uncoated	0.125" (3.18mm)	-	-
0W41808EC E-SHAPE CORE Magnetics, a division of Spang & Co.	1,661	-	RFQ	Datasheet	-	Bulk	Active	E	-	W	-	4.293 µH	-	Ungapped	-	10000	-	39.9	22.6	22.1	900.0	Uncoated	0.319" (8.10mm)	0.752" (19.10mm)	0.187" (4.75mm)
0L41306TC TOROID Magnetics, a division of Spang & Co.	2,084	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	L	0.500" (12.70mm)	424 nH	±25%	Ungapped	-	900	-	31.7	14.2	-	451.2	Uncoated	0.250" (6.35mm)	-	-
ZC41306TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,358	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	C	0.525" (13.34mm)	508 nH	±25%	Ungapped	-	900	-	31.7	14.2	-	451.2	Epoxy	0.272" (6.91mm)	-	-
CP42216EC E-CORE WITH CLIP SLOT Magnetics, a division of Spang & Co.	4,164	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	P	-	5.387 µH	-	Ungapped	-	2500	-	32.3	76.0	73.1	2451.0	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
0J42515EC E-CORE Magnetics, a division of Spang & Co.	1,231	-	RFQ	Datasheet	-	Bulk	Active	E	-	J	-	2.4 µH	-	Ungapped	-	5000	-	73.5	40.1	39.7	2950.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.250" (6.35mm)
YW41005TC TOROID-PARYLENE COATED Magnetics, a division of Spang & Co.	2,135	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.393" (9.99mm)	6.616 µH	±30%	Ungapped	-	10000	-	20.7	10.9	-	227.0	Parylene	0.201" (5.10mm)	-	-

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.