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
XP41407TC TOROID BLACK COATED Magnetics, a division of Spang & Co.	2,294	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.510" (12.95mm)	1.356 µH	±25%	Ungapped	-	2500	-	29.5	12.8	-	378.0	Coated	0.196" (4.98mm)	-	-
PP40707UG EP CORE Magnetics, a division of Spang & Co.	4,603	-	RFQ	Datasheet	-	Bulk	Active	EP	-	P	-	1.173 µH	-	Ungapped	-	2500	-	15.5	10.7	8.55	165.0	Uncoated	0.291" (7.40mm)	0.362" (9.20mm)	0.250" (6.35mm)
YM41005TC TOROID PARYLENE COATED Magnetics, a division of Spang & Co.	3,325	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.393" (9.99mm)	9.988 µH	±30%	Ungapped	-	15000	-	20.7	10.9	-	227.0	Parylene	0.201" (5.10mm)	-	-
0R42512UC U-CORE Magnetics, a division of Spang & Co.	4,306	-	RFQ	Datasheet	-	Bulk	Active	U	-	R	-	1.907 µH	-	Ungapped	-	2300	-	68.9	80.0	80.0	4170.0	Uncoated	0.508" (12.90mm)	1.000" (25.40mm)	0.500" (12.70mm)
0R43030EC EFD CORE Magnetics, a division of Spang & Co.	1,189	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	R	-	2.2 µH	-	Ungapped	-	2300	-	68.0	69.0	142.0	4700.0	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
PF40707UG EP CORE Magnetics, a division of Spang & Co.	1,663	-	RFQ	Datasheet	-	Bulk	Active	EP	-	F	-	1.24 µH	±25%	Ungapped	-	3000	-	15.5	10.7	8.55	165.0	Uncoated	0.291" (7.40mm)	0.362" (9.20mm)	0.250" (6.35mm)
0R43007EC E-CORE Magnetics, a division of Spang & Co.	1,131	-	RFQ	Datasheet	-	Bulk	Active	E	-	R	-	2.06 µH	-	Ungapped	-	2300	-	67.0	60.0	49.0	4000.0	Uncoated	0.591" (15.00mm)	1.213" (30.80mm)	0.287" (7.30mm)
ZF41305TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,373	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.525" (13.34mm)	1.43 µH	±20%	Ungapped	-	3000	-	31.7	11.4	-	361.0	Epoxy	0.226" (5.75mm)	-	-
0077050A7HT06 KOOL MU 125 PERM BLACK 050 SIZE Magnetics, a division of Spang & Co.	1,153	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.500" (12.70mm)	62 nH	±8%	Ungapped	-	125	-	31.2	12.0	-	374.0	Uncoated	0.206" (5.23mm)	-	-
0F43520EC E-CORE Magnetics, a division of Spang & Co.	1,628	-	RFQ	Datasheet	-	Bulk	Active	E	-	F	-	2.555 µH	±25%	Ungapped	-	3000	-	94.3	90.6	90.5	8540.0	Uncoated	0.812" (20.63mm)	1.374" (34.90mm)	0.375" (9.53mm)

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.