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
0C42206TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,640	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	C	0.870" (22.10mm)	538 nH	±25%	Ungapped	-	900	-	54.1	26.2	-	1417.0	Uncoated	0.250" (6.35mm)	-	-
ZF40907TC TOROID GREY COATED Magnetics, a division of Spang & Co.	2,361	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.400" (10.15mm)	2.26 µH	±25%	Ungapped	-	3000	-	22.7	13.7	-	310.0	Epoxy	0.302" (7.66mm)	-	-
0P42507TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,887	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.998" (25.34mm)	1.958 µH	±25%	Ungapped	-	2500	-	61.5	39.0	-	2360.0	Uncoated	0.312" (7.92mm)	-	-
0W42510EC E-SHAPE CORE Magnetics, a division of Spang & Co.	3,350	-	RFQ	Datasheet	-	Bulk	Active	E	-	W	-	7.66 µH	-	Ungapped	-	10000	-	49.0	39.5	37.0	1930.0	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.250" (6.35mm)
0F42207TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,090	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.870" (22.10mm)	2.25 µH	±20%	Ungapped	-	3000	-	54.2	32.5	-	1763.0	Uncoated	0.311" (7.90mm)	-	-
ZP41303TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,399	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.525" (13.34mm)	745 nH	±25%	Ungapped	-	2500	-	31.7	7.1	-	226.0	Epoxy	0.145" (3.69mm)	-	-
0077030AY KOOL MU 125 PERM AY 030 SIZE Magnetics, a division of Spang & Co.	1,226	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.310" (7.87mm)	52 nH	±12%	Ungapped	-	125	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0077040AY KOOL MU 125 PERM AY 040 SIZE Magnetics, a division of Spang & Co.	1,522	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.400" (10.15mm)	66 nH	±12%	Ungapped	-	125	-	23.0	9.57	-	220.0	Uncoated	0.156" (3.96mm)	-	-
PF41313UG EP CORE Magnetics, a division of Spang & Co.	2,934	-	RFQ	Datasheet	-	Bulk	Active	EP	-	F	-	2 µH	±25%	Ungapped	-	3000	-	24.2	19.5	14.9	472.0	Uncoated	0.508" (12.90mm)	0.504" (12.80mm)	0.354" (9.00mm)
ZM41306TC TOROID EPOXY COATED Magnetics, a division of Spang & Co.	1,101	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.530" (13.45mm)	8.476 µH	±30%	Ungapped	-	15000	-	31.7	14.2	-	451.0	Epoxy	0.276" (7.00mm)	-	-

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.