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
HFN0277-200 FERRITE CORE 2 HOLE HF Laird-Signal Integrity Products	3,856	-	RFQ	Datasheet	-	Bulk	Active	Multi-Hole (2)	-	HF	-	-	-	Ungapped	-	100	-	-	-	-	-	Uncoated	0.122" (3.10mm)	0.277" (7.04mm)	0.160" (4.06mm)
28T0121-20P FERRITE CORE TOROID 244NH 28 Laird-Signal Integrity Products	3,132	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	28	0.121" (3.07mm)	244 nH	±20%	Ungapped	-	850	4.41	6.64	1.51	-	-	Parylene	0.082" (2.08mm)	-	-
37T0231-10P FERRITE CORE TOROID 2.974UH 37 Laird-Signal Integrity Products	3,066	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	37	0.231" (5.87mm)	2.974 µH	±30%	Ungapped	-	5500	3.08	12.99	4.22	-	-	Parylene	0.121" (3.07mm)	-	-
28N0277-000 FERRITE CORE 2 HOLE 28 Laird-Signal Integrity Products	4,685	-	RFQ	Datasheet	-	Bulk	Active	Multi-Hole (2)	-	28	-	-	-	Ungapped	-	850	-	-	-	-	-	Uncoated	0.244" (6.20mm)	0.277" (7.04mm)	0.160" (4.06mm)
28T0301-10P FERRITE CORE TOROID 473NH 28 Laird-Signal Integrity Products	4,472	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	28	0.301" (7.65mm)	473 nH	±20%	Ungapped	-	850	2.21	14.93	6.75	-	-	Parylene	0.126" (3.20mm)	-	-
28B0394-200 FERRITE CORE TUBE 28 Laird-Signal Integrity Products	4,058	-	RFQ	Datasheet	-	Bulk	Active	Tube	-	28	0.394" (10.00mm)	-	-	Ungapped	-	650	-	-	-	-	-	Uncoated	0.394" (10.00mm)	-	-
28B0395-600 FERRITE CORE TUBE 28 Laird-Signal Integrity Products	2,893	-	RFQ	Datasheet	-	Bulk	Active	Tube	-	28	0.394" (10.00mm)	-	-	Ungapped	-	650	-	-	-	-	-	Uncoated	0.787" (20.00mm)	-	-
33T0255-10P FERRITE CORE TOROID 2.059UH 33 Laird-Signal Integrity Products	1,302	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	33	0.256" (6.50mm)	2.059 µH	±20%	Ungapped	-	2700	1.61	12.08	7.49	-	-	Parylene	0.158" (4.02mm)	-	-
HFN0277-000 FERRITE CORE 2 HOLE HF Laird-Signal Integrity Products	3,079	-	RFQ	Datasheet	-	Bulk	Active	Multi-Hole (2)	-	HF	-	-	-	Ungapped	-	100	-	-	-	-	-	Uncoated	0.244" (6.20mm)	0.277" (7.04mm)	0.160" (4.06mm)
35T0301-00G FERRITE CORE TOROID 4.181UH 35 Laird-Signal Integrity Products	2,278	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	35	0.303" (7.70mm)	4.181 µH	±20%	Ungapped	-	5000	1.42	14.83	10.42	-	-	Epoxy	0.191" (4.85mm)	-	-

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.