Ferrite Cores

Browse available Ferrite Cores components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

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
2820002302 FERRITE CORE MULTI-HOLE 20 Fair-Rite Products Corp.	1,840	-	RFQ	Datasheet	-	Bag	Active	Multi-Hole	-	20	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
28T0155-10P FERRITE CORE TOROID 122NH 28 Laird-Signal Integrity Products	4,659	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	28	0.156" (3.96mm)	122 nH	±20%	Ungapped	-	850	8.74	9.2	1.05	-	-	Parylene	0.051" (1.29mm)	-	-
28T0155-00P FERRITE CORE TOROID 244NH 28 Laird-Signal Integrity Products	4,773	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	28	0.156" (3.96mm)	244 nH	±25%	Ungapped	-	850	4.19	9.16	2.19	-	-	Parylene	0.101" (2.57mm)	-	-
33N0136-000 FERRITE CORE 2 HOLE 920NH 33 Laird-Signal Integrity Products	4,888	-	RFQ	Datasheet	-	Bulk	Active	Multi-Hole (2)	-	33	-	920 nH	±30%	Ungapped	-	2300	-	-	-	-	-	Uncoated	0.093" (2.36mm)	0.136" (3.45mm)	0.079" (2.01mm)
2815002702 FERRITE CORE 2 HOLE 15 Fair-Rite Products Corp.	1,122	-	RFQ	Datasheet	-	Bag	Active	Multi-Hole (2)	-	15	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.122" (3.10mm)	0.276" (7.00mm)	0.071" (1.80mm)
2820002702 FERRITE CORE MULTI-HOLE 20 Fair-Rite Products Corp.	1,946	-	RFQ	Datasheet	-	Bag	Active	Multi-Hole	-	20	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
0F40200TC TOROID Magnetics, a division of Spang & Co.	1,366	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.100" (2.54mm)	525 nH	±20%	Ungapped	-	3000	-	5.5	0.77	-	4.3	Uncoated	0.050" (1.27mm)	-	-
33T0155-00P FERRITE CORE TOROID Laird-Signal Integrity Products	3,991	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	-	-	-	-	-	-	-	-	-	-	-	Parylene	-	-	-
33T0190-10P FERRITE CORE TOROID 512NH 33 Laird-Signal Integrity Products	2,858	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	33	0.191" (4.85mm)	512 nH	±20%	Ungapped	-	2700	6.62	10.2	1.54	-	-	Parylene	0.051" (1.29mm)	-	-
TUB3.5/1.3/3-3B1 Ferrite Misc Ferroxcube	1,320	-	RFQ	Datasheet	-	Bulk	Active	Tube	TUB 3.5 x 1.3 x 3	3B1	0.138" (3.50mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	0.118" (3.00mm)	-
28T0145-500 FERRITE CORE TOROID 443NH 28 Laird-Signal Integrity Products	1,023	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	28	0.145" (3.68mm)	443 nH	±25%	Ungapped	-	850	-	-	-	-	-	Uncoated	0.128" (3.25mm)	-	-
33T0140-500 FERRITE CORE TOROID 2.339UH 33 Laird-Signal Integrity Products	4,159	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	33	0.138" (3.50mm)	2.339 µH	±30%	Ungapped	-	2300	-	-	-	-	-	Uncoated	0.236" (6.00mm)	-	-
28T0140-500 FERRITE CORE TOROID 864NH 28 Laird-Signal Integrity Products	4,724	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	28	0.138" (3.50mm)	864 nH	±25%	Ungapped	-	850	-	-	-	-	-	Uncoated	0.236" (6.00mm)	-	-
TUB3.5/1.4/3.3-4A11 Ferrite Misc Ferroxcube	2,143	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0P40601TC UNCOATED TOROID Magnetics, a division of Spang & Co.	3,546	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.230" (5.84mm)	488 nH	±25%	Ungapped	-	2500	-	13.0	2.0	-	26.7	Uncoated	0.060" (1.52mm)	-	-
36T0231-00Q FERRITE CORE TOROID 892NH 36 Laird-Signal Integrity Products	2,300	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	36	0.230" (5.84mm)	892 nH	±25%	Ungapped	-	4500	6.337	13.026	2.055	-	26.775	-	0.060" (1.52mm)	-	-
0W40502TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,863	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.155" (3.94mm)	1.47 µH	±30%	Ungapped	-	10000	-	9.2	1.05	-	9.7	Uncoated	0.050" (1.27mm)	-	-
ROD1.5/10-3C90-D FERRITE CORE ROD 3C90 Ferroxcube	3,416	-	RFQ	Datasheet	-	Bulk	Active	ROD	ROD 1.5 x 10	3C90	0.059" (1.50mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	-	0.394" (10.00mm)	-
28T0231-00P FERRITE CORE TOROID 169NH 28 Laird-Signal Integrity Products	4,492	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	28	0.230" (5.84mm)	169 nH	±20%	Ungapped	-	850	6.337	13.026	2.055	-	26.775	Parylene	0.060" (1.52mm)	-	-
ROD3/15-3C90-D FERRITE CORE ROD 3C90 Ferroxcube	3,212	-	RFQ	Datasheet	-	Bulk	Active	ROD	ROD 3 x 15	3C90	0.118" (3.00mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	-	0.591" (15.00mm)	-

Ferrite Cores FAQ

What Ferrite Cores components can I source from EGOO?

You can browse available Ferrite Cores product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Ferrite Cores parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.