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
0P44317EC FERRITE CORE E 4.24UH P Magnetics, a division of Spang & Co.	1,850	-	RFQ	Datasheet	-	Bulk	Active	E	-	P	-	4.24 µH	-	Ungapped	-	2500	-	77.0	149.0	142.0	11500.0	Uncoated	0.654" (16.60mm)	1.598" (40.60mm)	0.488" (12.40mm)
0P44121UC FERRITE CORE UR 2.047UH P Magnetics, a division of Spang & Co.	1,440	-	RFQ	Datasheet	-	Bulk	Active	UR	-	P	-	2.047 µH	-	Ungapped	-	2500	-	115.2	114.3	-	13172.0	Uncoated	0.811" (20.60mm)	1.645" (41.78mm)	0.470" (11.94mm)
ZJ42915TC FERRITE CORE TOROID 6.447UH Magnetics, a division of Spang & Co.	2,537	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	1.187" (30.15mm)	6.447 µH	±20%	Ungapped	-	5000	-	73.2	74.9	-	5481.0	Epoxy	0.638" (16.20mm)	-	-
0P42016UG FERRITE CORE PQ 3.907UH P Magnetics, a division of Spang & Co.	1,664	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	P	-	3.907 µH	-	Ungapped	-	2500	-	37.6	61.9	-	2330.0	Uncoated	0.638" (16.20mm)	0.839" (21.30mm)	0.551" (14.00mm)
0078210A7 FERRITE CORE TOROID 49NH XFLUX Magnetics, a division of Spang & Co.	1,560	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.830" (21.08mm)	49 nH	±8%	Ungapped	-	90	-	50.9	22.1	-	1120.0	Coated	0.280" (7.11mm)	-	-
ZJ42207TC FERRITE CORE TOROID 3.7UH Magnetics, a division of Spang & Co.	3,636	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	0.900" (22.86mm)	3.7 µH	±20%	Ungapped	-	5000	-	54.1	32.1	-	1740.0	Epoxy	0.337" (8.55mm)	-	-
0077180A7 FERRITE CORE TOROID 42NH KOOL MU Magnetics, a division of Spang & Co.	4,654	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.208" (5.28mm)	42 nH	±15%	Ungapped	-	125	-	10.6	2.85	-	30.0	Coated	0.125" (3.18mm)	-	-
0R43618EC E-SHAPE CORE Magnetics, a division of Spang & Co.	1,689	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	R	-	6.678 µH	-	Ungapped	-	2300	-	42.4	135.0	135.0	5750.0	Uncoated	0.250" (6.35mm)	1.400" (35.56mm)	0.701" (17.80mm)
C055040A2 FERRITE CORE TOROID 66NH MPP Magnetics, a division of Spang & Co.	8,484	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.400" (10.16mm)	66 nH	±8%	Ungapped	-	125	-	23.0	9.57	-	220.0	Coated	0.156" (3.96mm)	-	-
0P44125UC U-CORE Magnetics, a division of Spang & Co.	3,866	-	RFQ	Datasheet	-	Bulk	Active	UR	-	P	-	1.747 µH	-	Ungapped	-	2500	-	134.4	113.1	105.4	15196.0	Uncoated	1.000" (25.40mm)	1.645" (41.78mm)	0.470" (11.94mm)

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?

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