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
C058239A2 HIGH FLUX 147 PERM KHAKI 240 SIZ Magnetics, a division of Spang & Co.	3,715	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.285" (7.24mm)	64 nH	±8%	Ungapped	-	147	-	13.6	4.76	-	64.9	Coated	0.125" (3.18mm)	-	-
ZW42712TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,061	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	1.103" (28.01mm)	15.3 µH	±30%	Ungapped	-	10000	-	60.2	73.2	-	4410.0	Epoxy	0.512" (13.00mm)	-	-
NW41812UG POT CORE Magnetics, a division of Spang & Co.	3,146	-	RFQ	Datasheet	-	Bulk	Active	RM	-	W	-	8.6 µH	-	Ungapped	-	10000	-	27.5	38.0	31.2	1040.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.275" (7.00mm)
0P41408A160 GAPPED POT CORE Magnetics, a division of Spang & Co.	1,547	-	RFQ	Datasheet	-	Bulk	Active	P	-	P	0.563" (14.30mm)	160 nH	-	Ungapped	-	2500	-	19.8	25.1	-	495.0	Uncoated	0.331" (8.40mm)	-	-
PR42120UG EP CORE Magnetics, a division of Spang & Co.	1,296	-	RFQ	Datasheet	-	Bulk	Active	EP	-	R	-	4.227 µH	-	Ungapped	-	2300	-	41.1	78.7	60.8	3230.0	Uncoated	0.843" (21.40mm)	0.945" (24.00mm)	0.591" (15.00mm)
SF41408A250 GAPPED ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	1,094	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	F	-	250 nH	-	Ungapped	-	3000	-	20.2	23.0	-	460.0	Uncoated	0.334" (8.48mm)	0.551" (14.00mm)	0.370" (9.40mm)
0077154AY KOOL MU 090 PERM AY 150 SIZE Magnetics, a division of Spang & Co.	4,386	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.155" (3.94mm)	25 nH	±15%	Ungapped	-	90	-	9.42	2.11	-	19.9	Uncoated	0.100" (2.54mm)	-	-
0058042A2 HIGH FLUX 026 PERM KHAKI 040 SIZ Magnetics, a division of Spang & Co.	1,645	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.400" (10.15mm)	14 nH	±8%	Ungapped	-	26	-	23.0	9.57	-	220.0	Uncoated	0.156" (3.96mm)	-	-
C058384A2 HIGH FLUX 090 PERM KHAKI 380 SIZ Magnetics, a division of Spang & Co.	2,071	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.710" (18.03mm)	64 nH	±8%	Ungapped	-	90	-	41.1	23.3	-	960.0	Coated	0.280" (7.11mm)	-	-
0077151AY KOOL MU 060 PERM AY 150 SIZE Magnetics, a division of Spang & Co.	4,418	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.155" (3.94mm)	17 nH	±15%	Ungapped	-	60	-	9.42	2.11	-	19.9	Uncoated	0.100" (2.54mm)	-	-

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.