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
0J42616UG POT CORE Magnetics, a division of Spang & Co.	1,141	-	RFQ	Datasheet	-	Bulk	Active	P	-	J	1.004" (25.50mm)	11.7 µH	-	Ungapped	-	5000	-	37.6	93.9	77.4	3530.0	Uncoated	0.317" (8.05mm)	-	-
0077184AY KOOL MU 090 PERM AY 180 SIZE Magnetics, a division of Spang & Co.	2,701	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.183" (4.65mm)	30 nH	±15%	Ungapped	-	90	-	10.6	2.85	-	30.3	Uncoated	0.100" (2.54mm)	-	-
0079932A7 KOOL MU MAX 026 PERM BLACK 930 S Magnetics, a division of Spang & Co.	3,016	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.060" (26.92mm)	32 nH	±8%	Ungapped	-	26	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
0077181AY KOOL MU 060 PERM AY 180 SIZE Magnetics, a division of Spang & Co.	1,977	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.183" (4.65mm)	20 nH	±15%	Ungapped	-	60	-	10.6	2.85	-	30.3	Uncoated	0.100" (2.54mm)	-	-
0077180AY KOOL MU 125 PERM AY 180 SIZE Magnetics, a division of Spang & Co.	3,841	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.183" (4.65mm)	42 nH	±15%	Ungapped	-	125	-	10.6	2.85	-	30.3	Uncoated	0.100" (2.54mm)	-	-
0079937A7 KOOL MU MAX 019 PERM BLACK 930 S Magnetics, a division of Spang & Co.	4,271	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.060" (26.92mm)	23 nH	±8%	Ungapped	-	19	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
0079936A7 KOOL MU MAX 040 PERM BLACK 930 S Magnetics, a division of Spang & Co.	4,835	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.060" (26.92mm)	50 nH	±8%	Ungapped	-	40	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
0076932A7 KOOL MU HF 026 PERM BLACK 930 SI Magnetics, a division of Spang & Co.	2,360	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu HF	1.060" (26.92mm)	32 nH	±8%	Ungapped	-	26	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
DR42616UG DOUBLE SLAB CORE Magnetics, a division of Spang & Co.	4,299	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	R	-	3.827 µH	-	Ungapped	-	2300	-	38.9	77.0	62.7	3000.0	Uncoated	0.634" (16.10mm)	1.004" (25.50mm)	0.673" (17.09mm)
0079933A7 KOOL MU MAX 014 PERM BLACK 930 S Magnetics, a division of Spang & Co.	1,412	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.060" (26.92mm)	18 nH	±8%	Ungapped	-	14	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-

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.