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
00X4317E040 X FLUX 4317 E-CORE Magnetics, a division of Spang & Co.	1,336	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	119 nH	±8%	Ungapped	-	40	-	77.5	152.0	-	11800.0	Uncoated	0.650" (16.51mm)	1.609" (40.87mm)	0.493" (12.52mm)
00X4317E060 X FLUX 4317 E-CORE Magnetics, a division of Spang & Co.	2,864	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	163 nH	±8%	Ungapped	-	60	-	77.5	152.0	-	11800.0	Uncoated	0.650" (16.51mm)	1.609" (40.87mm)	0.493" (12.52mm)
00X4317E026 X FLUX 4317 E-CORE Magnetics, a division of Spang & Co.	1,314	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	88 nH	±8%	Ungapped	-	26	-	77.5	152.0	-	11800.0	Uncoated	0.650" (16.51mm)	1.609" (40.87mm)	0.493" (12.52mm)
0V41811UG POT CORE Magnetics, a division of Spang & Co.	4,977	-	RFQ	Datasheet	-	Bulk	Active	P	-	V	0.709" (18.00mm)	3.65 µH	±25%	Ungapped	-	2300	-	25.8	43.3	36.0	1120.0	Uncoated	0.209" (5.30mm)	-	-
PQ32/20-3C91 Ferrite Misc Ferroxcube	3,945	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 32 x 20	3C91	-	7.56 µH	±25%	Ungapped	1990.0	-	0.331	55.9	169.0	142.0	9440.0	Uncoated	0.406" (10.30mm)	1.299" (33.00mm)	0.866" (22.00mm)
PQ32/20-3C90 Ferrite Misc Ferroxcube	3,793	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 32 x 20	3C90	-	6.8 µH	±25%	Ungapped	1790.0	-	0.331	55.9	169.0	142.0	9440.0	Uncoated	0.406" (10.30mm)	1.299" (33.00mm)	0.866" (22.00mm)
B65805P0160A045 FERRITE CORE RM EPCOS - TDK Electronics	2,131	-	RFQ	Datasheet	RM5/LP	Box	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
BC22/12/18-3C90 Ferrite Bobbin Ferroxcube	2,278	-	RFQ	Datasheet	-	Bulk	Active	P	BC 22 x 12 x 18	3C90	0.866" (22.00mm)	85 nH	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	0.709" (18.00mm)	-
TX36/23/15-3C91 Ferrite Misc Ferroxcube	3,995	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 36 x 23 x 15	3C91	1.427" (36.25mm)	-	±25%	Ungapped	-	1700	0.919	89.7	97.5	-	8740.0	Epoxy	0.606" (15.40mm)	-	-
PQ26/20-3F3 Ferrite Misc Ferroxcube	4,144	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 26 x 20	3F3	-	5.2 µH	±25%	Ungapped	1540.0	-	0.372	45.0	121.0	109.0	5470.0	Uncoated	0.398" (10.10mm)	1.075" (27.30mm)	0.748" (19.00mm)
PLT43/28/4.1-3C92 FERRITE CORE PLT 3C92 Ferroxcube	3,734	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 43 x 28 x 4.1	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.161" (4.10mm)	1.700" (43.20mm)	1.098" (27.90mm)
EP20-3F36 FERRITE CORE EP 3F36 2PC SET Ferroxcube	1,237	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 20	3F36	-	-	±25%	Ungapped	1120.0	-	0.52	41.1	78.7	60.8	3230.0	Uncoated	0.843" (21.40mm)	0.945" (24.00mm)	0.591" (15.00mm)
EP20-3F46 FERRITE CORE EP 3F46 2PC SET Ferroxcube	1,986	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 20	3F46	-	-	±25%	Ungapped	665.0	-	0.52	41.1	78.7	60.8	3230.0	Uncoated	0.843" (21.40mm)	0.945" (24.00mm)	0.591" (15.00mm)
0R45454EC ETD CORE Magnetics, a division of Spang & Co.	1,221	-	RFQ	Datasheet	-	Bulk	Active	ETD	-	R	-	5.2 µH	-	Ungapped	-	2300	-	127.0	280.0	280.0	35500.0	Uncoated	1.087" (27.60mm)	2.146" (54.50mm)	0.744" (18.90mm)
0P42620A300 GAPPED PQ CORE Magnetics, a division of Spang & Co.	3,144	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	P	-	300 nH	-	Ungapped	-	2500	-	45.0	121.0	-	5470.0	Uncoated	0.795" (20.20mm)	1.075" (27.30mm)	0.748" (19.00mm)
0R43813TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,059	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	1.500" (38.10mm)	3.85 µH	±25%	Ungapped	-	2300	-	82.9	116.0	-	9652.0	Uncoated	0.500" (12.70mm)	-	-
0P43813TC TOROID UNCOATED Magnetics, a division of Spang & Co.	4,864	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.500" (38.10mm)	4.185 µH	±25%	Ungapped	-	2500	-	82.9	115.6	-	9652.0	Uncoated	0.500" (12.70mm)	-	-
B65517T0000R048 FERRITE CORE P 1.3UH N48 2PCS EPCOS - TDK Electronics	2,145	-	RFQ	Datasheet	P9/5	Box	Active	P (Pot Core)	P 9 x 5	N48	0.366" (9.30mm)	1.3 µH	-20%, +30%	Ungapped	1290.0	-	1.25	12.5	10.0	-	125.0	Uncoated	0.106" (2.70mm)	-	-
B65805J0067A049 RM5 N49 67 +3% -3 EPCOS - TDK Electronics	3,130	-	RFQ	Datasheet	-	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65803A0063A049 FERRITE CORE RM N49 EPCOS - TDK Electronics	4,218	-	RFQ	Datasheet	RM4	Box	Active	RM	RM 4	N49	-	-	-	Gapped	-	1500	1.9	21.0	11.0	-	231.0	Uncoated	0.413" (10.50mm)	0.433" (11.00mm)	0.181" (4.60mm)

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.