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
B65857A0400E038 FERRITE CORE EPX 400NH T38 2PCS EPCOS - TDK Electronics	1,415	-	RFQ	Datasheet	EPX7/9	Box	Active	EPX	EPX 7 x 9	T38	-	400 nH	±7%	Gapped	291.0	2300	0.91	15.7	17.2	13.9	270.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.354" (9.00mm)
B65857A0040A038 FERRITE CORE EPX T38 EPCOS - TDK Electronics	3,180	-	RFQ	Datasheet	EPX7/9	Box	Active	EPX	EPX 7 x 9	T38	-	-	-	-	-	10000	0.91	15.7	17.2	13.9	270.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.354" (9.00mm)
B66421G0000X192 FERRITE CORE EFD N92 EPCOS - TDK Electronics	3,741	-	RFQ	Datasheet	EFD25/13/9	Box	Active	EFD	EFD 25 x 13 x 9	N92	-	-	-	-	-	1500	0.98	57.0	58.0	57.0	3310.0	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
B65525J0250C087 FERRITE CORE ER N87 EPCOS - TDK Electronics	2,358	-	RFQ	Datasheet	ER11/2.5/6	Box	Active	ER	ER 11 x 5	N87	-	-	-	Gapped	-	2200	1.1	14.1	12.4	10.3	174.0	Uncoated	0.098" (2.50mm)	0.433" (11.00mm)	0.236" (6.00mm)
B65525J0100A087 FERRITE CORE ER N87 EPCOS - TDK Electronics	1,867	-	RFQ	Datasheet	ER11/2.5/6	Box	Active	ER	ER 11 x 5	N87	-	-	-	Gapped	-	2200	1.1	14.1	12.4	10.3	174.0	Uncoated	0.098" (2.50mm)	0.433" (11.00mm)	0.236" (6.00mm)
B66337G0500X127 FERRITE CORE EC N27 1PC EPCOS - TDK Electronics	4,065	-	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)
B66337G1000X127 FERRITE CORE EC N27 1PC EPCOS - TDK Electronics	2,640	-	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)
B65526C1010D001 FERRITE CORE EPCOS - TDK Electronics	2,516	-	RFQ	Datasheet	B65526	Tape & Reel (TR)	Obsolete	-	ER11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65839A0040A033 FERRITE CORE EP M33 EPCOS - TDK Electronics	2,250	-	RFQ	Datasheet	EP7	Box	Active	EP	EP 7	M33	-	-	-	Gapped	-	750	1.52	15.7	10.3	8.5	162.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.256" (6.50mm)
B66408G0000X187 FERRITE CORE EV N87 1PC EPCOS - TDK Electronics	3,181	-	RFQ	Datasheet	EV25/13/13	Box	Active	EV	EV 25 x 13 x 13	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.504" (12.80mm)	0.984" (25.00mm)	0.500" (12.70mm)

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.

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Yes. Send the manufacturer part number and required quantity to our sourcing team for availability, lead-time and alternative sourcing support.

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