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
B64290L0742X038 FERRITE CORE TOROID 6.03UH T38 EPCOS - TDK Electronics	17,029	-	RFQ	Datasheet	TX13/7.9/6.4	Box	Active	Toroid	-	T38	0.535" (13.60mm)	6.03 µH	±30%	Ungapped	-	10000	2.08	31.17	14.96	-	466.0	Epoxy	0.281" (7.15mm)	-	-
B64290L0652X830 FERRITE CORE TOROID 2.71UH N30 EPCOS - TDK Electronics	4,007	-	RFQ	Datasheet	TX17.4/10.3/7	Box	Active	Toroid	-	N30	0.717" (18.20mm)	2.71 µH	±25%	Ungapped	-	4300	2.0	42.0	21.04	-	884.0	Epoxy	0.307" (7.80mm)	-	-
B64290L0743X038 FERRITE CORE TOROID 5.4UH T38 EPCOS - TDK Electronics	8,310	-	RFQ	Datasheet	TX16/9/5	Box	Active	Toroid	-	T38	0.661" (16.80mm)	5.4 µH	±30%	Ungapped	-	10000	2.33	36.75	15.78	-	580.0	Epoxy	0.215" (5.45mm)	-	-
B66317G0100X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	1,751	-	RFQ	Datasheet	E25/13/7	Box	Active	E	E 25 x 13 x 7	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.504" (12.80mm)	0.984" (25.00mm)	0.295" (7.50mm)
B66307G0240X187 FERRITE CORE E N87 EPCOS - TDK Electronics	2,796	-	RFQ	Datasheet	E16/8/5	Box	Active	E	E 16 x 8 x 5	N87	-	-	-	Gapped	-	2200	1.87	37.6	20.1	19.4	756.0	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
B64290L0658X038 FERRITE CORE TOROID 4.42UH T38 EPCOS - TDK Electronics	1,453	-	RFQ	Datasheet	TX14/9/5	Box	Active	Toroid	-	T38	0.594" (15.10mm)	4.42 µH	±30%	Ungapped	-	10000	2.84	34.98	12.3	-	430.0	Epoxy	0.236" (6.00mm)	-	-
B64290L0045X035 FERRITE CORE TOROID 3.87UH T35 EPCOS - TDK Electronics	4,118	-	RFQ	Datasheet	TX16/9.6/6.3	Bulk	Active	Toroid	-	T35	0.677" (17.20mm)	3.87 µH	±25%	Ungapped	-	6000	1.95	38.52	19.73	-	760.0	Epoxy	0.287" (7.30mm)	-	-
B66317G0000X130 FERRITE CORE E N30 1PC EPCOS - TDK Electronics	1,870	-	RFQ	Datasheet	E25/13/7	Box	Active	E	E 25 x 13 x 7	N30	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.504" (12.80mm)	0.984" (25.00mm)	0.295" (7.50mm)
B66453K0000X149 FERRITE CORE I N49 EPCOS - TDK Electronics	2,408	-	RFQ	Datasheet	I18/2/10	Tray	Active	I	I 18 x 2 x 10	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.079" (2.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
B66311G0170X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	5,824	-	RFQ	Datasheet	E20/10/6	Box	Active	E	E 20 x 10 x 6	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.803" (20.40mm)	0.232" (5.90mm)

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.