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
C058351A2HT15 HIGH FLUX 060 PERM KHAKI 350 SIZ Magnetics, a division of Spang & Co.	3,033	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.958" (24.33mm)	80 nH	±8%	Ungapped	-	60	-	58.8	60.9	-	3580.0	Coated	0.591" (15.00mm)	-	-
0R43019A250 GAPPED POT CORE Magnetics, a division of Spang & Co.	3,009	-	RFQ	Datasheet	-	Bulk	Active	P	-	R	1.181" (30.00mm)	250 nH	-	Ungapped	-	2300	-	45.2	137.0	-	6190.0	Uncoated	0.744" (18.90mm)	-	-
0078517A7 X FLUX 060 PERM BROWN 520 SIZE Magnetics, a division of Spang & Co.	4,948	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.051" (52.10mm)	150 nH	±8%	Ungapped	-	60	-	109.0	217.0	-	23500.0	Uncoated	0.598" (15.20mm)	-	-
0078520A7 X FLUX 125 PERM BROWN 520 SIZE Magnetics, a division of Spang & Co.	2,714	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.051" (52.10mm)	313 nH	±8%	Ungapped	-	125	-	109.0	217.0	-	23500.0	Uncoated	0.598" (15.20mm)	-	-
0078515A7 X FLUX 026 PERM BROWN 520 SIZE Magnetics, a division of Spang & Co.	1,726	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	2.051" (52.10mm)	65 nH	±8%	Ungapped	-	26	-	109.0	217.0	-	23500.0	Uncoated	0.598" (15.20mm)	-	-
ETD59/31/22-3C97-G200 FERRITE CORE ETD 3C97 Ferroxcube	3,489	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 59 x 31 x 22	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.220" (31.00mm)	2.354" (59.80mm)	0.852" (21.65mm)
ETD59/31/22-3F36-G200 FERRITE CORE ETD 3F36 Ferroxcube	3,268	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 59 x 31 x 22	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.220" (31.00mm)	2.354" (59.80mm)	0.852" (21.65mm)
ETD59/31/22-3C94-G2000 Ferrite Misc Ferroxcube	4,872	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ETD59/31/22-3C94-G3000 Ferrite Misc Ferroxcube	1,555	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RM12/I-3C96-E250 FERRITE CORE RM 250NH 3C96 2PC Ferroxcube	4,162	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3C96	-	250 nH	±3%	Gapped	77.0	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.965" (24.50mm)	1.472" (37.40mm)	0.634" (16.10mm)
RM12/I-3F4-E250 FERRITE CORE RM 250NH 3F4 2PC Ferroxcube	3,146	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3F4	-	250 nH	±3%	Gapped	77.0	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.965" (24.50mm)	1.472" (37.40mm)	0.634" (16.10mm)
5977001121 FERRITE CORE TOROID 1.3UH 77 Fair-Rite Products Corp.	2,242	-	RFQ	Datasheet	-	Box	Active	Toroid	-	77	0.530" (13.45mm)	1.3 µH	-30%, +25%	Ungapped	-	2000	2.08	31.2	15.0	-	470.0	Plastic	0.280" (7.11mm)	-	-
C055175A2 MPP 300 PERM GREY 180 SIZE Magnetics, a division of Spang & Co.	4,772	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.208" (5.28mm)	99 nH	±8%	Ungapped	-	300	-	10.6	2.85	-	30.3	Coated	0.125" (3.18mm)	-	-
0058181A2 HIGH FLUX 060 PERM KHAKI 180 SIZ Magnetics, a division of Spang & Co.	4,134	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.183" (4.65mm)	20 nH	±8%	Ungapped	-	60	-	10.6	2.85	-	30.3	Uncoated	0.100" (2.54mm)	-	-
UR59/36/17-3C90 FERRITE CORE UR 3C90 Ferroxcube	1,356	-	RFQ	Datasheet	-	Bulk	Active	UR	UR 59 x 36 x 17	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.409" (35.80mm)	2.337" (59.35mm)	0.669" (17.00mm)
UR59/36/17-3C94 Ferrite Misc Ferroxcube	1,379	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P30/19-3C92 Ferrite Misc Ferroxcube	1,829	-	RFQ	Datasheet	-	Bulk	Active	P	P 30 x 19	3C92	1.181" (30.00mm)	-	-	Ungapped	-	-	0.33	45.2	137.0	116.0	6190.0	Uncoated	0.370" (9.40mm)	-	-
B65815H3700X041 RM12 N41 3700 +30% EPCOS - TDK Electronics	4,007	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
TX42/26/18-3C11 Ferrite Misc Ferroxcube	1,547	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 42 x 26 x 18	3C11	1.656" (42.05mm)	-	-	Ungapped	-	-	0.769	103.0	134.0	-	13810.0	Epoxy	0.709" (18.00mm)	-	-
B66367G0000X195 ETD49/25/16-N95 EPCOS - TDK Electronics	2,717	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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.