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
P42/29-3C91-E400 Ferrite Misc Ferroxcube	3,992	-	RFQ	Datasheet	-	Bulk	Active	P	P 42 x 29	3C91	1.669" (42.40mm)	400 nH	±3%	Gapped	82.0	-	0.259	68.6	265.0	214.0	18200.0	Uncoated	0.579" (14.70mm)	-	-
0078775A7 X FLUX 026 PERM BROWN 778 SIZE Magnetics, a division of Spang & Co.	3,226	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	88 nH	±8%	Ungapped	-	26	-	177.2	492.0	-	87100.0	Uncoated	1.018" (25.86mm)	-	-
0078776A7 X FLUX 040 PERM BROWN 778 SIZE Magnetics, a division of Spang & Co.	3,153	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	135 nH	±8%	Ungapped	-	40	-	177.2	492.0	-	87100.0	Uncoated	1.018" (25.86mm)	-	-
0078777A7S01 X FLUX HDCB 060 PERM BROWN 778 S Magnetics, a division of Spang & Co.	1,088	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFLUX HIGH DCB	3.063" (77.80mm)	205 nH	±8%	Ungapped	-	60	-	177.2	492.0	-	87100.0	Uncoated	1.057" (26.85mm)	-	-
0078772A7 X FLUX 019 PERM BROWN 778 SIZE Magnetics, a division of Spang & Co.	2,983	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	64 nH	±8%	Ungapped	-	19	-	177.2	492.0	-	87100.0	Uncoated	1.018" (25.86mm)	-	-
0078771A7 X FLUX 090 PERM BROWN 778 SIZE Magnetics, a division of Spang & Co.	2,649	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	306 nH	±8%	Ungapped	-	90	-	177.2	492.0	-	87100.0	Uncoated	1.018" (25.86mm)	-	-
0078773A7 X FLUX 075 PERM BROWN 778 SIZE Magnetics, a division of Spang & Co.	3,296	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	3.063" (77.80mm)	256 nH	±8%	Ungapped	-	75	-	177.2	492.0	-	87100.0	Uncoated	1.018" (25.86mm)	-	-
0J49715TC TOROID Magnetics, a division of Spang & Co.	3,533	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	4.016" (102.00mm)	6.575 µH	±20%	Ungapped	-	5000	-	255.3	267.2	-	68821.0	Uncoated	0.591" (15.00mm)	-	-
B64290L0699X097 R63/38/25 N97 RINGKERN EPCOS - TDK Electronics	2,779	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B64290L0043X097 R58.3/32/18 N97 RINGKERN EPCOS - TDK Electronics	2,297	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P42/29-3C95-A630 Ferrite Misc Ferroxcube	2,149	-	RFQ	Datasheet	-	Bulk	Active	P	P 42 x 29	-	-	-	-	-	-	-	-	-	-	-	-	Uncoated	-	-	-
0P49925IC I CORE Magnetics, a division of Spang & Co.	2,855	-	RFQ	Datasheet	-	Bulk	Active	I	-	P	-	6.2 µH	-	Ungapped	-	2500	-	245.0	645.0	645.0	158000.0	Uncoated	1.000" (25.40mm)	4.000" (101.60mm)	1.000" (25.40mm)
0077102A701 KOOL MU 026 PERM BLACK 102 SIZE Magnetics, a division of Spang & Co.	2,829	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	4.055" (103.00mm)	38 nH	-	Ungapped	-	26	-	243.0	285.0	-	69200.0	Uncoated	0.567" (14.40mm)	-	-
0058448A2 HIGH FLUX 026 PERM KHAKI 454 SIZ Magnetics, a division of Spang & Co.	4,579	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	1.689" (42.90mm)	47 nH	±8%	Ungapped	-	26	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0058454A2 HIGH FLUX 125 PERM KHAKI 454 SIZ Magnetics, a division of Spang & Co.	1,407	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	1.689" (42.90mm)	224 nH	±8%	Ungapped	-	125	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
T63/38/25-3E6 FERRITE CORE TOROID Ferroxcube	4,300	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	2.480" (63.00mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	0.984" (25.00mm)	-	-
P42/29-3C90-A350/N Ferrite Misc Ferroxcube	4,279	-	RFQ	Datasheet	-	Bulk	Active	P	P 42 x 29	3C90	1.669" (42.40mm)	350 nH	±3%	Gapped	72.0	-	0.259	68.6	265.0	214.0	18200.0	Uncoated	0.579" (14.70mm)	-	-
T63/38/25-3E26 Ferrite Misc Ferroxcube	3,497	-	RFQ	Datasheet	T63/38/25	Bulk	Active	Toroid	T 63 x 38 x 25	3E26	2.480" (63.00mm)	17.9 µH	±25%	Ungapped	7000.0	-	0.497	152.0	306.0	-	46500.0	Uncoated	0.984" (25.00mm)	-	-
TX74/39/13-3E10 Ferrite Misc Ferroxcube	3,649	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 74 x 39 x 13	3E10	2.910" (73.91mm)	15.5 µH	±20%	Ungapped	9500.0	-	0.8	165.0	208.0	-	34300.0	Epoxy	0.510" (12.95mm)	-	-
I100/25/25-3C90 Ferrite Misc Ferroxcube	2,755	-	RFQ	Datasheet	-	Bulk	Active	I	I 100 x 25 x 25	3C90	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-

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.