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
E58/11/38-3F4-A1000-P FERRITE CORE E 3F4 Ferroxcube	4,974	-	RFQ	Datasheet	-	Bulk	Active	E	E 58 x 11 x 38	3F4	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.413" (10.50mm)	2.299" (58.40mm)	1.500" (38.10mm)
B65665D1025K049 FERRITE CORE EPCOS - TDK Electronics	2,579	-	RFQ	Datasheet	P22/13	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
EC70/34/17-3C96 Ferrite Misc Ferroxcube	4,972	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0075090A7 75 SERIES 060 PERM BLACK 089 SIZ Magnetics, a division of Spang & Co.	4,125	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.840" (46.74mm)	86 nH	±8%	Ungapped	-	60	-	116.0	134.0	-	15600.0	Uncoated	0.600" (15.24mm)	-	-
0075439A7 75 SERIES 060 PERM BLACK 438 SIZ Magnetics, a division of Spang & Co.	4,707	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.840" (46.74mm)	135 nH	±8%	Ungapped	-	60	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0075440A7 75 SERIES 026 PERM BLACK 438 SIZ Magnetics, a division of Spang & Co.	2,163	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.840" (46.74mm)	59 nH	±8%	Ungapped	-	26	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0075431A7 75 SERIES 040 PERM BLACK 438 SIZ Magnetics, a division of Spang & Co.	3,692	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.840" (46.74mm)	90 nH	±8%	Ungapped	-	40	-	107.0	199.0	-	21300.0	Uncoated	0.710" (18.03mm)	-	-
0075091A7 75 SERIES 026 PERM BLACK 089 SIZ Magnetics, a division of Spang & Co.	2,974	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.840" (46.74mm)	37 nH	±8%	Ungapped	-	26	-	116.0	134.0	-	15600.0	Uncoated	0.600" (15.24mm)	-	-
0075095A7 75 SERIES 040 PERM BLACK 089 SIZ Magnetics, a division of Spang & Co.	2,792	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.840" (46.74mm)	57 nH	±8%	Ungapped	-	40	-	116.0	134.0	-	15600.0	Uncoated	0.600" (15.24mm)	-	-
0059310A2 EDGE 125 PERM GREEN 310 SIZE Magnetics, a division of Spang & Co.	4,039	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	0.900" (22.86mm)	90 nH	±8%	Ungapped	-	125	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
ER51/10/38-3C96 FERRITE CORE ER 3C96 Ferroxcube	2,819	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 51 x 10 x 38	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.400" (10.16mm)	2.008" (51.00mm)	1.500" (38.10mm)
ER51/10/38-3F4 FERRITE CORE ER 3F4 Ferroxcube	4,978	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 51 x 10 x 38	3F4	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.400" (10.16mm)	2.008" (51.00mm)	1.500" (38.10mm)
B66395G2500X127 FERRITE CORE ETD N27 EPCOS - TDK Electronics	3,432	-	RFQ	Datasheet	ETD54/28/19	Box	Active	ETD	ETD 54 x 28 x 19	N27	-	-	-	Gapped	-	2000	0.45	127.0	280.0	280.0	35600.0	Uncoated	1.094" (27.80mm)	2.156" (54.50mm)	0.760" (19.30mm)
0058313A2 HIGH FLUX 014 PERM KHAKI 310 SIZ Magnetics, a division of Spang & Co.	1,230	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.900" (22.86mm)	9.9 nH	±8%	Ungapped	-	14	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
PQ35/35-3F46-E315 Ferrite Misc Ferroxcube	2,851	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	3F46	-	315 nH	±3%	Gapped	113.0	-	0.454	86.1	190.0	162.0	16300.0	Uncoated	0.683" (17.35mm)	1.421" (36.10mm)	1.024" (26.00mm)
PQ40/40-3F4 FERRITE CORE PQ 3F4 2PC SET Ferroxcube	1,568	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 40 x 40	3F4	-	-	±25%	Ungapped	-	-	0.507	102.0	201.0	175.0	20500.0	Uncoated	1.567" (39.80mm)	1.634" (41.50mm)	1.102" (28.00mm)
ETD59/31/22-3C90-G1500 FERRITE CORE ETD 3C90 Ferroxcube	2,285	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 59 x 31 x 22	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.220" (31.00mm)	2.354" (59.80mm)	0.852" (21.65mm)
B66367Q0250K195 ETD49/25/16DG N95 250 +10% EPCOS - TDK Electronics	1,723	-	RFQ	Datasheet	B66367	Tray	Active	ETD	ETD 49 x 25 x 16	N95	-	250 nH	±10%	Gapped	-	3000	0.54	114.0	211.0	209.0	24100.0	Uncoated	0.980" (24.90mm)	1.909" (48.50mm)	0.657" (16.70mm)
B66367Q0100K195 ETD49/25/16DG N95 250 +10% EPCOS - TDK Electronics	4,761	-	RFQ	Datasheet	B66367	Tray	Active	ETD	ETD 49 x 25 x 16	N95	-	100 nH	±10%	Gapped	-	3000	0.54	114.0	211.0	209.0	24100.0	Uncoated	0.980" (24.90mm)	1.909" (48.50mm)	0.657" (16.70mm)
B65701D0000R087 FERRITE CORE P 6.4UH N87 2PCS EPCOS - TDK Electronics	1,634	-	RFQ	Datasheet	P30/19	Box	Active	P (Pot Core)	P 30 x 19	N87	1.200" (30.50mm)	6.4 µH	-20%, +30%	Ungapped	1620.0	2200	0.33	45.0	136.0	-	6120.0	Uncoated	0.374" (9.50mm)	-	-

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.