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
B66365G1000X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	3,421	-	RFQ	Datasheet	ETD44/22/15	Box	Active	ETD	ETD 44 x 22 x 15	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.886" (22.50mm)	1.724" (43.80mm)	0.598" (15.20mm)
B66365G1500X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	1,447	-	RFQ	Datasheet	ETD44/22/15	Box	Active	ETD	ETD 44 x 22 x 15	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.886" (22.50mm)	1.724" (43.80mm)	0.598" (15.20mm)
TX36/23/15-3E10 Ferrite Misc Ferroxcube	3,973	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 36 x 23 x 15	3E10	1.427" (36.25mm)	13.5 µH	±20%	Ungapped	10000.0	-	0.919	89.7	97.5	-	8740.0	Epoxy	0.606" (15.40mm)	-	-
6678404121 FERRITE CORE PQ 78 SET Fair-Rite Products Corp.	2,524	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	78	-	-	±25%	Ungapped	-	2300	52.3	103.6	198.0	170.0	20500.0	Uncoated	-	-	-
B65651T0000R030 FERRITE CORE N30 EPCOS - TDK Electronics	3,701	-	RFQ	Datasheet	P18/11	Box	Active	-	P 18 x 11	N30	0.724" (18.40mm)	-	-	-	-	4300	0.6	25.9	43.0	-	1114.0	Uncoated	0.209" (5.30mm)	-	-
RM10/I-3F3-A315 Ferrite Misc Ferroxcube	1,932	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 10	3F3	-	315 nH	±3%	Gapped	116.0	-	0.462	44.6	96.6	89.1	4310.0	Uncoated	0.729" (18.60mm)	1.122" (28.50mm)	0.531" (13.50mm)
RM10/I-3F3-A160 Ferrite Misc Ferroxcube	1,560	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 10	3F3	-	160 nH	±3%	Gapped	59.0	-	0.462	44.6	96.6	89.1	4310.0	Uncoated	0.366" (9.30mm)	1.122" (28.50mm)	0.531" (13.50mm)
RM10/I-3F3-A250 Ferrite Misc Ferroxcube	1,006	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 10	3F3	-	250 nH	±3%	Gapped	92.0	-	0.462	44.6	96.6	89.1	4310.0	Uncoated	0.366" (9.30mm)	1.122" (28.50mm)	0.531" (13.50mm)
RM10/I-3F3-A630 Ferrite Misc Ferroxcube	3,349	-	RFQ	Datasheet	RM10/I	Bulk	Active	RM	RM 10	3F3	-	-	-	Gapped	-	-	0.462	44.6	96.6	89.1	4310.0	Uncoated	0.366" (9.30mm)	1.122" (28.50mm)	0.531" (13.50mm)
RM10/I-3F3-A400 Ferrite Misc Ferroxcube	4,727	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 10	3F3	-	400 nH	±3%	Gapped	147.0	-	0.462	44.6	96.6	89.1	4310.0	Uncoated	0.366" (9.30mm)	1.122" (28.50mm)	0.531" (13.50mm)
B64290L0657X038 FERRITE CORE TOROID 10.6UH T38 EPCOS - TDK Electronics	4,589	-	RFQ	Datasheet	TX30/20/12	Box	Active	Toroid	-	T38	1.264" (32.10mm)	10.6 µH	±30%	Ungapped	-	10000	1.19	77.02	64.66	-	4980.0	Epoxy	0.531" (13.50mm)	-	-
B65819N0160A048 FERRITE CORE RM N48 EPCOS - TDK Electronics	3,765	-	RFQ	Datasheet	RM7	Box	Active	RM	RM 7	N48	-	-	-	Gapped	-	2300	0.75	29.8	40.0	-	1190.0	Uncoated	0.265" (6.75mm)	0.799" (20.30mm)	-
B65819N0250A048 FERRITE CORE RM N48 EPCOS - TDK Electronics	4,057	-	RFQ	Datasheet	RM7	Box	Active	RM	RM 7	N48	-	-	-	Gapped	-	2300	0.75	29.8	40.0	-	1190.0	Uncoated	0.265" (6.75mm)	0.799" (20.30mm)	-
B65819N0400A048 FERRITE CORE RM N48 EPCOS - TDK Electronics	3,990	-	RFQ	Datasheet	RM7	Box	Active	RM	RM 7	N48	-	-	-	Gapped	-	2300	0.75	29.8	40.0	-	1190.0	Uncoated	0.265" (6.75mm)	0.799" (20.30mm)	-
0058020AY HIGH FLUX 125 PERM AY 020 SIZE Magnetics, a division of Spang & Co.	2,782	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.250" (6.35mm)	50 nH	±8%	Ungapped	-	125	-	13.6	4.7	-	64.0	Uncoated	0.110" (2.79mm)	-	-
0077894A7HT29 KOOL MU 060 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	4,937	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	187 nH	±8%	Ungapped	-	60	-	63.5	164.0	-	10400.0	Uncoated	1.100" (27.94mm)	-	-
0077936A7HT29 KOOL MU 040 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	3,343	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	125 nH	±8%	Ungapped	-	40	-	63.5	164.0	-	10400.0	Uncoated	1.100" (27.94mm)	-	-
P22/13-3C90-A160 Ferrite Misc Ferroxcube	4,904	-	RFQ	Datasheet	-	Bulk	Active	P	P 22 x 13	3C90	0.866" (22.00mm)	160 nH	±3%	Ungapped	63.0	-	0.497	31.5	63.4	50.9	2000.0	Uncoated	0.264" (6.71mm)	-	-
P22/13-3C91-A250 Ferrite Misc Ferroxcube	1,492	-	RFQ	Datasheet	-	Bulk	Active	P	P 22 x 13	3C91	0.866" (22.00mm)	250 nH	±3%	Gapped	99.0	-	0.497	31.5	63.4	50.9	2000.0	Uncoated	0.264" (6.71mm)	-	-
P22/13-3C90-A400 Ferrite Misc Ferroxcube	3,747	-	RFQ	Datasheet	-	Bulk	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.