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
0077052A7 KOOL MU 026 PERM BLACK 050 SIZE Magnetics, a division of Spang & Co.	3,900	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.500" (12.70mm)	12 nH	±8%	Ungapped	-	26	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0077051A7 KOOL MU 060 PERM BLACK 050 SIZE Magnetics, a division of Spang & Co.	1,852	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.500" (12.70mm)	27 nH	±8%	Ungapped	-	60	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0077055A7 KOOL MU 075 PERM BLACK 050 SIZE Magnetics, a division of Spang & Co.	4,560	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.500" (12.70mm)	34 nH	±8%	Ungapped	-	75	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0077054A7 KOOL MU 090 PERM BLACK 050 SIZE Magnetics, a division of Spang & Co.	4,244	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	0.500" (12.70mm)	40 nH	±8%	Ungapped	-	90	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0J43007EC E-SHAPE CORE Magnetics, a division of Spang & Co.	2,541	-	RFQ	Datasheet	-	Bulk	Active	E	-	J	-	3.8 µH	-	Ungapped	-	5000	-	67.0	60.0	49.0	4000.0	Uncoated	0.591" (15.00mm)	1.213" (30.80mm)	0.287" (7.30mm)
0R42929EC ETD CORE Magnetics, a division of Spang & Co.	2,241	-	RFQ	Datasheet	-	Bulk	Active	ETD	-	R	-	2.25 µH	-	Ungapped	-	2300	-	72.0	76.0	710.0	5470.0	Uncoated	0.622" (15.80mm)	1.205" (30.60mm)	0.386" (9.80mm)
0P42206TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,957	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.870" (22.10mm)	1.51 µH	±25%	Ungapped	-	2500	-	54.1	26.2	54.1	1417.0	Uncoated	0.250" (6.35mm)	-	-
0F41106UC U-SHAPE CORE Magnetics, a division of Spang & Co.	2,788	-	RFQ	Datasheet	-	Bulk	Active	U	-	F	-	1.01 µH	±25%	Ungapped	-	3000	-	29.2	12.0	11.5	350.0	Uncoated	0.165" (4.20mm)	0.427" (10.85mm)	0.248" (6.30mm)
0J41809TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,804	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.724" (18.40mm)	6.115 µH	-	Ungapped	-	5000	-	41.4	43.1	-	1782.6	Uncoated	0.406" (10.30mm)	-	-
FP42216IC I-CORE - FLAT BACK Magnetics, a division of Spang & Co.	1,568	-	RFQ	Datasheet	-	Bulk	Active	I	-	P	-	6.568 µH	-	Ungapped	-	2500	-	25.8	80.6	80.6	2080.0	Uncoated	0.116" (2.95mm)	0.858" (21.80mm)	0.622" (15.80mm)

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.