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
C055106A2 FERRITE CORE TOROID 250NH MPP Magnetics, a division of Spang & Co.	3,810	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.285" (58.04mm)	250 nH	±8%	Ungapped	-	200	-	143.0	144.0	-	20700.0	Coated	0.585" (14.86mm)	-	-
0074337A7 X FLUX ULTRA 026 PERM BROWN 337 Magnetics, a division of Spang & Co.	3,113	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	X FLUX ULTRA	5.219" (132.56mm)	68 nH	±8%	Ungapped	-	26	-	324.0	678.0	-	220000.0	Uncoated	1.000" (25.40mm)	-	-
0079337A7 FERRITE CORE TOROID 68NH KOOL MU Magnetics, a division of Spang & Co.	3,281	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	5.274" (133.96mm)	68 nH	±8%	Ungapped	-	26	-	324.0	678.0	-	220000.0	Coated	1.055" (26.80mm)	-	-
0077164A7 FERRITE CORE TOROID 42NH KOOL MU Magnetics, a division of Spang & Co.	4,980	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	6.555" (166.50mm)	42 nH	±8%	Ungapped	-	14	-	412.0	987.0	-	407000.0	Coated	1.305" (33.15mm)	-	-
0077165A7 FERRITE CORE TOROID 78NH KOOL MU Magnetics, a division of Spang & Co.	1,338	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	6.555" (166.50mm)	78 nH	±8%	Ungapped	-	26	-	412.0	987.0	-	407000.0	Coated	1.305" (33.15mm)	-	-
0058620A2 FERRITE CORE TOROID 394NH HI FLX Magnetics, a division of Spang & Co.	1,302	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	2.484" (63.09mm)	394 nH	±8%	Ungapped	-	125	-	144.0	360.0	-	51800.0	Coated	1.020" (25.91mm)	-	-
0070337A7 KOOL MU ULTRA 060 PERM BLACK Magnetics, a division of Spang & Co.	2,692	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	Kool Mµ	5.219" (132.56mm)	68 nH	±8%	Ungapped	-	26	-	324.0	678.0	-	220000.0	Uncoated	1.000" (25.40mm)	-	-
C055104A2 MPP 300 PERM GREY 109 SIZE Magnetics, a division of Spang & Co.	1,799	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	2.285" (58.04mm)	374 nH	±8%	Ungapped	-	300	-	143.0	144.0	-	20700.0	Coated	0.585" (14.86mm)	-	-
MACC1000 AMORPHOUS CUT CORE Magnetics, a division of Spang & Co.	4,698	-	RFQ	Datasheet	-	Bulk	Active	U	-	Amorphous	-	-	-	Ungapped	-	-	-	422.0	2300.0	-	-	Uncoated	3.366" (85.50mm)	4.173" (106.00mm)	3.346" (85.00mm)
0076726A7 KOOL MU HF 060 PERM BLACK 725 SI Magnetics, a division of Spang & Co.	4,426	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.990" (50.55mm)	175 nH	±8%	Ungapped	-	60	-	113.5	262.0	-	29700.0	Uncoated	0.820" (20.83mm)	-	-

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.