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
B65839A0250E038 FERRITE CORE EP 250NH T38 2PCS EPCOS - TDK Electronics	4,119	-	RFQ	Datasheet	EP7	Box	Active	EP	EP 7	T38	-	250 nH	±7%	Gapped	303.0	2300	1.52	15.7	10.3	8.5	162.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.256" (6.50mm)
B65839A0063A038 FERRITE CORE EP 63NH T38 2PCS EPCOS - TDK Electronics	4,045	-	RFQ	Datasheet	EP7	Box	Active	EP	EP 7	T38	-	63 nH	±3%	Gapped	76.0	2300	1.52	15.7	10.3	8.5	162.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.256" (6.50mm)
B65839A0042A038 EP7 T38 42 +3% -3 EPCOS - TDK Electronics	2,871	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65857C0000Y038 FERRITE CORE EPX 8UH T38 2PCS EPCOS - TDK Electronics	4,488	-	RFQ	Datasheet	EPX9/9	Box	Active	EPX	EPX 9 x 9	T38	-	8 µH	-30%, +40%	Ungapped	6910.0	2300	1.09	19.0	17.5	13.9	333.0	Uncoated	0.187" (4.75mm)	0.370" (9.40mm)	0.354" (9.00mm)
B67361G0000X187 U12/3/12 N87 1300 +30% EPCOS - TDK Electronics	2,440	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B66300G0000X101 FERRITE CORE E K1 EPCOS - TDK Electronics	3,214	-	RFQ	Datasheet	E6.3	Box	Active	E	E 6 x 3	K1	-	-	-	-	-	80	3.7	12.2	3.3	2.6	40.3	Uncoated	0.114" (2.90mm)	0.248" (6.30mm)	0.079" (2.00mm)
B65839A0043A038 EP7 T38 43 +3% -3 EPCOS - TDK Electronics	3,036	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B64290L0632X065 FERRITE CORE TOROID 5.05UH T65 EPCOS - TDK Electronics	4,541	-	RFQ	Datasheet	TX20/10/7	Box	Active	Toroid	-	T65	0.835" (21.20mm)	5.05 µH	±30%	Ungapped	-	5200	1.3	43.55	33.63	-	1465.0	Epoxy	0.319" (8.10mm)	-	-
B66337G0100X127 FERRITE CORE EC N27 1PC EPCOS - TDK Electronics	3,989	-	RFQ	Datasheet	B66337	Box	Not For New Designs	EC	EC 35 x 17 x 10	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.687" (17.45mm)	1.358" (34.50mm)	0.386" (9.80mm)
B65857A0250J038 FERRITE CORE EPX 250NH T38 2PCS EPCOS - TDK Electronics	4,964	-	RFQ	Datasheet	EPX7/9	Box	Active	EPX	EPX 7 x 9	T38	-	250 nH	±5%	Gapped	182.0	2300	0.91	15.7	17.2	13.9	270.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.354" (9.00mm)

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.