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
0R42523EC EFD CORE Magnetics, a division of Spang & Co.	3,557	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	R	-	2.093 µH	-	Ungapped	-	2300	-	57.0	58.0	55.0	3300.0	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
ZP41406TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,928	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.525" (13.34mm)	1.805 µH	±25%	Ungapped	-	2500	-	29.5	16.5	-	496.7	Epoxy	0.272" (6.91mm)	-	-
YL41003TC TOROID PARYLENE COATED Magnetics, a division of Spang & Co.	3,967	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	L	0.388" (9.86mm)	332 nH	±25%	Ungapped	-	750	-	20.7	7.3	-	151.0	Parylene	0.133" (3.38mm)	-	-
ZT41605TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,054	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	T	0.655" (16.64mm)	1.58 µH	±25%	Ungapped	-	3000	-	37.2	15.6	-	580.0	Epoxy	0.205" (5.20mm)	-	-
0J42515UC U-SHAPE CORE Magnetics, a division of Spang & Co.	2,367	-	RFQ	Datasheet	-	Bulk	Active	U	-	J	-	2.507 µH	-	Ungapped	-	5000	-	83.4	40.4	40.4	3370.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.250" (6.35mm)
CF42216EC E-CORE WITH CLIP SLOT Magnetics, a division of Spang & Co.	3,462	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	F	-	6.131 µH	±25%	Ungapped	-	3000	-	32.3	76.0	73.1	2451.0	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
0J42106TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,506	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.811" (20.60mm)	2.8 µH	±20%	Ungapped	-	5000	-	50.3	24.6	-	1238.0	Uncoated	0.250" (6.35mm)	-	-
0077835A7 KOOL MU 075 PERM BLACK 030 SIZE Magnetics, a division of Spang & Co.	1,145	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.310" (7.87mm)	31 nH	±12%	Ungapped	-	75	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0077031A7 KOOL MU 060 PERM BLACK 030 SIZE Magnetics, a division of Spang & Co.	1,206	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.310" (7.87mm)	25 nH	±12%	Ungapped	-	60	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0077834A7 KOOL MU 090 PERM BLACK 030 SIZE Magnetics, a division of Spang & Co.	1,598	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.310" (7.87mm)	37 nH	±12%	Ungapped	-	90	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-

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.