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
B64290L0038X049 FERRITE CORE TOROID 610NH N49 EPCOS - TDK Electronics	7,019	-	RFQ	Datasheet	TX10/6/4	Box	Active	Toroid	-	N49	0.425" (10.80mm)	610 nH	±25%	Ungapped	-	1500	3.07	24.07	7.83	-	188.0	Epoxy	0.187" (4.75mm)	-	-
B62152P0008X030 FERRITE CORE 2 HOLE 3.1UH N30 EPCOS - TDK Electronics	10,221	-	RFQ	Datasheet	MHB2/P-3.6/2.1/2.5	Box	Active	Multi-Hole (2)	-	N30	-	3.1 µH	±30%	Ungapped	-	4300	1.78	3.7	2.1	-	7.8	Parylene	0.100" (2.54mm)	0.144" (3.65mm)	0.085" (2.15mm)
B64290L0658X087 FERRITE CORE TOROID 970NH N87 EPCOS - TDK Electronics	3,791	-	RFQ	Datasheet	TX14/9/5	Box	Active	Toroid	-	N87	0.594" (15.10mm)	970 nH	±25%	Ungapped	-	2200	2.84	34.98	12.3	-	430.0	Epoxy	0.236" (6.00mm)	-	-
B64290L0742X087 FERRITE CORE TOROID 1.33UH N87 EPCOS - TDK Electronics	2,685	-	RFQ	Datasheet	TX13/7.9/6.4	Bulk	Active	Toroid	-	N87	0.535" (13.60mm)	1.33 µH	±25%	Ungapped	-	2200	2.08	31.17	14.96	-	466.0	Epoxy	0.281" (7.15mm)	-	-
B64290L0044X038 FERRITE CORE TOROID 5.11UH T38 EPCOS - TDK Electronics	5,176	-	RFQ	Datasheet	TX12.5/7.5/5	Bulk	Active	Toroid	-	T38	0.535" (13.60mm)	5.11 µH	±30%	Ungapped	-	10000	2.46	30.09	12.23	-	368.0	Epoxy	0.234" (5.95mm)	-	-
B66413G0000X197 FERRITE CORE EFD N97 1PC EPCOS - TDK Electronics	3,859	-	RFQ	Datasheet	EFD15/8/5	Box	Active	EFD	EFD 15 x 8 x 5	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.295" (7.50mm)	0.591" (15.00mm)	0.183" (4.65mm)
B66305G0130X187 FERRITE CORE E 112NH N87 EPCOS - TDK Electronics	3,571	-	RFQ	Datasheet	E13/7/4	Box	Active	E	E 13 x 7 x 4	N87	-	112 nH	-	Gapped	215.0	2200	2.39	29.6	12.4	12.2	367.0	Uncoated	0.256" (6.50mm)	0.496" (12.60mm)	0.146" (3.70mm)
B64290P0037X038 FERRITE CORE TOROID 2.53UH T38 EPCOS - TDK Electronics	7,391	-	RFQ	Datasheet	TC6.3/3.8/2.5	Bulk	Active	Toroid	-	T38	0.249" (6.32mm)	2.53 µH	±30%	Ungapped	-	10000	4.97	15.21	3.06	-	46.5	Parylene	0.099" (2.52mm)	-	-
B66311G0000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	4,870	-	RFQ	Datasheet	E20/10/6	Box	Active	E	E 20 x 10 x 6	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.394" (10.00mm)	0.803" (20.40mm)	0.232" (5.90mm)
B64290L0743X087 FERRITE CORE TOROID 1.19UH N87 EPCOS - TDK Electronics	7,081	-	RFQ	Datasheet	TX16/9/5	Box	Active	Toroid	-	N87	0.661" (16.80mm)	1.19 µH	±25%	Ungapped	-	2200	2.33	36.75	15.78	-	580.0	Epoxy	0.215" (5.45mm)	-	-

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.