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
ZP43813TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,085	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.545" (39.25mm)	4.185 µH	±25%	Ungapped	-	2500	-	82.9	114.2	-	9462.0	Epoxy	0.525" (13.34mm)	-	-
ZR43813TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,333	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	1.545" (39.25mm)	3.85 µH	±25%	Ungapped	-	2300	-	82.9	114.2	-	9462.0	Epoxy	0.525" (13.34mm)	-	-
0055020AY MPP 125 PERM AY 020 SIZE Magnetics, a division of Spang & Co.	1,413	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.250" (6.35mm)	50 nH	±8%	Ungapped	-	125	-	13.6	4.7	-	64.0	Uncoated	0.110" (2.79mm)	-	-
0055270AY MPP 125 PERM AY 270 SIZE Magnetics, a division of Spang & Co.	1,066	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.260" (6.60mm)	103 nH	±8%	Ungapped	-	125	-	13.6	9.2	-	125.0	Uncoated	0.188" (4.78mm)	-	-
C055379A2 MPP 147 PERM GREY 380 SIZE Magnetics, a division of Spang & Co.	3,317	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.710" (18.03mm)	105 nH	±8%	Ungapped	-	147	-	41.4	23.2	-	960.0	Coated	0.280" (7.11mm)	-	-
0P40704A065 GAPPED POT CORE Magnetics, a division of Spang & Co.	4,086	-	RFQ	Datasheet	-	Bulk	Active	P	-	P	0.285" (7.24mm)	65 nH	-	Ungapped	-	2500	-	9.9	7.0	-	69.0	Uncoated	0.164" (4.17mm)	-	-
C055378A2 MPP 160 PERM GREY 380 SIZE Magnetics, a division of Spang & Co.	1,480	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.710" (18.03mm)	114 nH	±8%	Ungapped	-	160	-	41.4	23.2	-	960.0	Coated	0.280" (7.11mm)	-	-
0E41811UG POT CORE Magnetics, a division of Spang & Co.	2,141	-	RFQ	Datasheet	-	Bulk	Active	P	-	E	0.709" (18.00mm)	3 µH	±25%	Ungapped	-	2000	-	25.8	43.3	36.0	1120.0	Uncoated	0.209" (5.30mm)	-	-
0R44821EC EER CORE Magnetics, a division of Spang & Co.	1,268	-	RFQ	Datasheet	-	Bulk	Active	EER	-	R	-	5.7 µH	-	Ungapped	-	2300	-	100.0	255.0	248.0	25500.0	Uncoated	0.835" (21.20mm)	1.890" (48.00mm)	0.827" (21.00mm)
C055374A2 MPP 173 PERM GREY 380 SIZE Magnetics, a division of Spang & Co.	2,917	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.710" (18.03mm)	123 nH	±8%	Ungapped	-	173	-	41.4	23.2	-	960.0	Coated	0.280" (7.11mm)	-	-

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.