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
0077224A7 KOOL MU 090 PERM BLACK 120 SIZE Magnetics, a division of Spang & Co.	1,990	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.653" (16.59mm)	52 nH	±8%	Ungapped	-	90	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
0P44011EC E-SHAPE CORE Magnetics, a division of Spang & Co.	3,978	-	RFQ	Datasheet	-	Bulk	Active	E	-	P	-	4.347 µH	-	Ungapped	-	2500	-	76.7	127.0	114.0	9780.0	Uncoated	0.669" (17.00mm)	1.575" (40.00mm)	0.421" (10.70mm)
0R43515EC E-CORE Magnetics, a division of Spang & Co.	2,485	-	RFQ	Datasheet	-	Bulk	Active	E	-	R	-	2.667 µH	-	Ungapped	-	2300	-	69.3	87.0	87.0	5590.0	Uncoated	0.555" (14.10mm)	1.346" (34.20mm)	0.366" (9.30mm)
0P42212TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,679	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.870" (22.10mm)	3.02 µH	±25%	Ungapped	-	2500	-	52.3	51.9	-	2834.0	Uncoated	0.500" (12.70mm)	-	-
0J42530UC U-SHAPE CORE Magnetics, a division of Spang & Co.	3,943	-	RFQ	Datasheet	-	Bulk	Active	U	-	J	-	4.86 µH	-	Ungapped	-	5000	-	83.4	80.8	80.8	6740.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.500" (12.70mm)
NT41812UG R-RM DESIGN SCP Magnetics, a division of Spang & Co.	2,926	-	RFQ	Datasheet	-	Bulk	Active	RM	-	T	-	2.83 µH	-	Ungapped	-	3000	-	27.5	38.0	31.2	1040.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.275" (7.00mm)
NP41510UG RM DESIGN SCP Magnetics, a division of Spang & Co.	4,741	-	RFQ	Datasheet	-	Bulk	Active	RM	-	P	-	1.867 µH	-	Ungapped	-	2500	-	23.2	24.8	18.1	574.0	Uncoated	0.205" (5.20mm)	0.575" (14.60mm)	0.268" (6.80mm)
PR41010UG EP CORE Magnetics, a division of Spang & Co.	2,126	-	RFQ	Datasheet	-	Bulk	Active	EP	-	R	-	1.04 µH	-	Ungapped	-	2300	-	19.3	11.3	8.55	215.0	Uncoated	0.406" (10.30mm)	0.453" (11.50mm)	0.300" (7.60mm)
ZW41610TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,636	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.663" (16.84mm)	10.6 µH	±30%	Ungapped	-	10000	-	37.2	31.3	-	1164.0	Epoxy	0.400" (10.16mm)	-	-
0J42507TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,819	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.996" (25.30mm)	3.913 µH	±20%	Ungapped	-	5000	-	61.5	39.0	-	2360.0	Uncoated	0.302" (7.66mm)	-	-

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.