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
B64290P0739X057 FERRITE CORE TOROID 1.7UH T57 EPCOS - TDK Electronics	1,280	-	RFQ	Datasheet	TC3.05/1.27/2.5	Box	Active	Toroid	-	T57	0.121" (3.07mm)	1.7 µH	±25%	Ungapped	-	3800	2.82	5.99	2.12	-	12.7	Parylene	0.101" (2.56mm)	-	-
B66305U0250K127 FERRITE CORE E N27 EPCOS - TDK Electronics	3,931	-	RFQ	Datasheet	-	Box	Not For New Designs	E	E 13 x 7 x 4	N27	-	-	-	-	-	2000	2.39	29.6	12.4	12.2	367.0	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
B66379G0100X127 FERRITE CORE E N27 EPCOS - TDK Electronics	2,043	-	RFQ	Datasheet	-	Box	Not For New Designs	E	E 19 x 8 x 5	N27	-	-	-	-	-	2000	1.76	39.6	22.5	22.1	891.0	Uncoated	0.315" (8.00mm)	0.748" (19.00mm)	0.189" (4.80mm)
B64290P0035X830 FERRITE CORE TOROID 440NH N30 EPCOS - TDK Electronics	1,706	-	RFQ	Datasheet	TC2.5/1.5/1	Box	Active	Toroid	-	N30	0.099" (2.52mm)	440 nH	±25%	Ungapped	-	4300	12.3	6.02	0.49	-	3.0	Parylene	0.040" (1.02mm)	-	-
B66307G0150X187 FERRITE CORE E N87 EPCOS - TDK Electronics	4,250	-	RFQ	Datasheet	-	Box	Not For New Designs	E	E 16 x 8 x 5	N87	-	-	-	-	-	2200	1.87	37.6	20.1	19.4	756.0	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B66307G0350X187 FERRITE CORE E N87 EPCOS - TDK Electronics	3,828	-	RFQ	Datasheet	-	Box	Not For New Designs	E	E 16 x 8 x 5	N87	-	-	-	-	-	2200	1.87	37.6	20.1	19.4	756.0	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B64290A0044X027 FERRITE CORE TOROID EPCOS - TDK Electronics	1,393	-	RFQ	Datasheet	T12.5/7.5/5	Box	Active	Toroid	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B62152A0027X030 FERRITE CORE 2 HOLE 2.4UH N30 EPCOS - TDK Electronics	1,838	-	RFQ	Datasheet	MHB2-2.0/3.6/2.1	Box	Active	Multi-Hole (2)	-	N30	-	2.4 µH	±30%	Ungapped	-	4300	2.2	3.7	1.7	-	6.3	Uncoated	0.079" (2.00mm)	0.142" (3.60mm)	0.083" (2.10mm)
B64290P0061X057 R3.94/2.24/1.3 T57 TOROID EPCOS - TDK Electronics	2,949	-	RFQ	Datasheet	B64290	Bag	Active	Toroid	R 3.94 x 2.24 x 1.3	T57	0.162" (4.11mm)	550 nH	±25%	Ungapped	-	3800	8.56	9.21	1.08	-	9.9	Parylene	0.058" (1.47mm)	-	-
B64290A0044X049 R12.5/7.5/5 N49 RINGKERN EPCOS - TDK Electronics	4,183	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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.