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
0R42814EC EER CORE Magnetics, a division of Spang & Co.	1,216	-	RFQ	Datasheet	-	Bulk	Active	EER	-	R	-	2.7 µH	-	Ungapped	-	2300	-	64.0	81.4	77.0	5260.0	Uncoated	0.551" (14.00mm)	1.124" (28.55mm)	0.449" (11.40mm)
ZR41206TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,318	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	0.525" (13.34mm)	2.6 µH	±25%	Ungapped	-	2300	-	25.0	22.0	-	550.0	Epoxy	0.272" (6.91mm)	-	-
ZL41306TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,941	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	L	0.525" (13.34mm)	424 nH	±25%	Ungapped	-	750	-	31.7	14.2	-	451.2	Epoxy	0.272" (6.91mm)	-	-
0P42530UC U-SHAPE CORE Magnetics, a division of Spang & Co.	4,751	-	RFQ	Datasheet	-	Bulk	Active	U	-	P	-	2.28 µH	-	Ungapped	-	2500	-	83.4	80.8	80.8	6740.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.500" (12.70mm)
0J42523EC EFD CORE Magnetics, a division of Spang & Co.	1,587	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	J	-	4.507 µH	-	Ungapped	-	5000	-	57.0	58.0	55.0	3300.0	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
ZM41605TC TOROID EPOXY COATED Magnetics, a division of Spang & Co.	3,888	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.663" (16.84mm)	7.917 µH	±30%	Ungapped	-	15000	-	37.2	15.6	-	582.0	Epoxy	0.210" (5.34mm)	-	-
FR42216IC I-CORE WITH FLAT BACK Magnetics, a division of Spang & Co.	2,614	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	R	-	6.207 µH	-	Ungapped	-	2300	-	25.8	80.6	80.6	2080.0	Uncoated	0.116" (2.95mm)	0.858" (21.80mm)	0.622" (15.80mm)
0P43007EC E-SHAPE CORE Magnetics, a division of Spang & Co.	4,410	-	RFQ	Datasheet	-	Bulk	Active	E	-	P	-	2.24 µH	-	Ungapped	-	2500	-	67.0	60.0	49.0	4000.0	Uncoated	0.591" (15.00mm)	1.213" (30.80mm)	0.287" (7.30mm)
ZR41605TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,496	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	0.655" (16.64mm)	1.26 µH	±25%	Ungapped	-	2300	-	37.2	15.6	-	582.0	Epoxy	0.205" (5.20mm)	-	-
ZR41003TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,812	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	0.400" (10.15mm)	1 µH	±25%	Ungapped	-	2300	-	20.7	7.3	-	151.0	Epoxy	0.147" (3.73mm)	-	-

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.