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
B65803J0040A087 FERRITE CORE RM N87 EPCOS - TDK Electronics	1,838	-	RFQ	Datasheet	-	Box	Not For New Designs	RM	RM 4	N87	-	-	-	-	-	2200	1.7	22.0	13.0	11.3	286.0	Uncoated	0.413" (10.50mm)	0.433" (11.00mm)	0.181" (4.60mm)
B65807J0160A041 FERRITE CORE RM N41 EPCOS - TDK Electronics	2,763	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	N41	-	-	-	Gapped	-	2800	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0315J041 FERRITE CORE RM N41 EPCOS - TDK Electronics	3,302	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	N41	-	-	-	Gapped	-	2800	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65807J0630J041 FERRITE CORE RM N41 EPCOS - TDK Electronics	3,222	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	N41	-	-	-	Gapped	-	2800	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65517W0000R045 FERRITE CORE N45 EPCOS - TDK Electronics	2,882	-	RFQ	Datasheet	P9/5	Box	Active	-	P 9 x 5	N45	0.366" (9.30mm)	-	-	-	-	3800	1.13	13.4	11.9	9.3	159.0	Uncoated	0.106" (2.70mm)	-	-
B65541D0250A048 FERRITE CORE P 250NH N48 2PCS EPCOS - TDK Electronics	2,771	-	RFQ	Datasheet	P14/8	Box	Active	P (Pot Core)	P 14 x 8	N48	0.563" (14.30mm)	250 nH	±3%	Gapped	159.0	-	0.8	20.0	25.0	20.0	500.0	Uncoated	0.167" (4.25mm)	-	-
B66455W0315K197 FERRITE CORE EPCOS - TDK Electronics	4,620	-	RFQ	Datasheet	ELP22/6/16	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
B66455W0400K197 FERRITE CORE EPCOS - TDK Electronics	3,280	-	RFQ	Datasheet	ELP22/6/16	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
B65525J0000R001 FERRITE CORE ER K1 EPCOS - TDK Electronics	3,260	-	RFQ	Datasheet	ER11/5	Box	Active	ER	ER 11 x 5	K1	-	-	-	-	-	80	1.1	14.1	12.4	10.3	174.0	Uncoated	0.098" (2.50mm)	0.433" (11.00mm)	0.236" (6.00mm)
B65541W0100A087 FERRITE CORE N87 EPCOS - TDK Electronics	2,527	-	RFQ	Datasheet	P14/8	Box	Active	-	P 14 x 8	N87	0.563" (14.30mm)	-	-	Gapped	-	2200	0.73	21.0	28.7	23.6	603.0	Uncoated	0.167" (4.25mm)	-	-

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.