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
B66363G1000X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	1,719	-	RFQ	Datasheet	ETD39/20/13	Box	Active	ETD	ETD 39 x 20 x 13	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)
B65805N0125G048 FERRITE CORE RM EPCOS - TDK Electronics	1,971	-	RFQ	Datasheet	RM5	Box	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B66329G0500X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	1,353	-	RFQ	Datasheet	E42/21/20	Box	Active	E	E 42 x 21 x 20	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.835" (21.20mm)	1.654" (42.00mm)	0.787" (20.00mm)
B65811H2500X041 FERRITE CORE RM EPCOS - TDK Electronics	1,216	-	RFQ	Datasheet	RM8	Box	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B65511A0000Y048 FERRITE CORE P 1UH N48 2PCS EPCOS - TDK Electronics	1,481	-	RFQ	Datasheet	P7/4	Box	Active	P (Pot Core)	P 7 x 4	N48	0.289" (7.35mm)	1 µH	-30%, +40%	Ungapped	1140.0	-	1.43	10.0	7.0	-	70.0	Uncoated	0.083" (2.10mm)	-	-
B64290L0657X065 FERRITE CORE TOROID 5.4UH T65 EPCOS - TDK Electronics	1,720	-	RFQ	Datasheet	TX30/20/12.5	Box	Active	Toroid	-	T65	1.264" (32.10mm)	5.4 µH	±30%	Ungapped	-	5100	1.19	77.02	64.66	-	4980.0	Epoxy	0.531" (13.50mm)	-	-
B66287G0000X192 FERRITE CORE ELP N92 1PC EPCOS - TDK Electronics	1,702	-	RFQ	Datasheet	ELP32/6/20	Box	Active	ELP	ELP 32 x 6 x 20	N92	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.801" (20.35mm)
B65941A0000X022 FERRITE CORE PS N22 EPCOS - TDK Electronics	1,647	-	RFQ	Datasheet	PS30.5/10.2	Box	Active	PS	PS 30.5 x 10.2	N22	1.200" (30.50mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.402" (10.20mm)	-	-
B65813P0000R049 FERRITE CORE N49 2PCS EPCOS - TDK Electronics	4,186	-	RFQ	Datasheet	RM10/LP	Box	Active	-	-	N49	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65805N0040A001 FERRITE CORE RM 40NH K1 2PCS EPCOS - TDK Electronics	2,989	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	K1	-	40 nH	±3%	Gapped	31.8	80	1.0	20.8	20.8	-	433.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)

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.