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
B65807J0000R035 FERRITE CORE RM 6.2UH T35 2PCS EPCOS - TDK Electronics	2,318	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	T35	-	6.2 µH	-20%, +30%	Ungapped	3860.0	6000	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
5976022121 FERRITE CORE TOROID 12.8UH 76 Fair-Rite Products Corp.	939	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	76	1.185" (30.10mm)	12.8 µH	±30%	Ungapped	-	10000	0.978	73.2	74.9	-	5480.0	Plastic	0.630" (16.00mm)	-	-
FR44310EC E-CORE - FLAT BACKS Magnetics, a division of Spang & Co.	341	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	R	-	8.266 µH	-	Ungapped	-	2300	-	61.1	229.0	229.0	18900.0	Uncoated	0.374" (9.50mm)	1.701" (43.20mm)	1.098" (27.90mm)
PLT38/25/2.7-3C95 FERRITE CORE PLT 3C95 Ferroxcube	880	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 38 x 25 x 2.7	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.106" (2.70mm)	1.500" (38.10mm)	1.000" (25.40mm)
B65805N0160A048 FERRITE CORE RM 160NH N48 2PCS EPCOS - TDK Electronics	2,321	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	N48	-	160 nH	±3%	Gapped	127.0	-	1.0	20.8	20.8	-	433.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
B66484K0000X149 FERRITE CORE I N49 1PC EPCOS - TDK Electronics	126	-	RFQ	Datasheet	I25/3/15	Box	Active	I	I 25 x 3 x 15	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.098" (2.50mm)	0.984" (25.00mm)	0.583" (14.80mm)
B65811J0000R087 FERRITE CORE RM 3.3UH N87 2PCS EPCOS - TDK Electronics	488	-	RFQ	Datasheet	RM8	Box	Active	RM	RM 8	N87	-	3.3 µH	-20%, +30%	Ungapped	1560.0	2200	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
2861014302 FERRITE CORE 2 HOLE 300NH 61 Fair-Rite Products Corp.	1,013	-	RFQ	Datasheet	-	Box	Active	Multi-Hole (2)	-	61	-	300 nH	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.500" (12.70mm)	0.787" (20.00mm)	0.386" (9.80mm)
0077071A7 FERRITE CORE TOROID 61NH KOOL MU Magnetics, a division of Spang & Co.	717	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	61 nH	±8%	Ungapped	-	60	-	81.4	65.6	-	5340.0	Coated	0.420" (10.67mm)	-	-
0077553A7 FERRITE CORE TOROID 76NH KOOL MU Magnetics, a division of Spang & Co.	584	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.325" (33.66mm)	76 nH	±8%	Ungapped	-	75	-	81.4	65.6	-	5340.0	Coated	0.450" (11.45mm)	-	-
B65807J0000R030 FERRITE CORE RM 4.3UH N30 2PCS EPCOS - TDK Electronics	801	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	N30	-	4.3 µH	-20%, +30%	Ungapped	2670.0	4300	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
0077548A7 FERRITE CORE TOROID 127NH KOOLMU Magnetics, a division of Spang & Co.	578	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.325" (33.66mm)	127 nH	±8%	Ungapped	-	125	-	81.4	65.6	-	5340.0	Coated	0.450" (11.45mm)	-	-
ER32/6/25-3C92 FERRITE CORE ER 3C92 Ferroxcube	810	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 32 x 6 x 25	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.236" (6.00mm)	1.264" (32.10mm)	1.000" (25.40mm)
0076894A7 FERRITE CORE TOROID 75NH KOOL MU Magnetics, a division of Spang & Co.	423	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu HF	1.090" (27.69mm)	75 nH	±8%	Ungapped	-	60	-	63.5	65.4	-	4150.0	Coated	0.470" (11.94mm)	-	-
2661801802 61 ROUND SUPPRESSION CORE Fair-Rite Products Corp.	1,751	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	61	0.854" (21.70mm)	-	-	Ungapped	-	-	-	54.2	26.1	-	1415.0	Uncoated	0.240" (6.10mm)	-	-
C058120A2 FERRITE CORE TOROID 72NH HIGH FL Magnetics, a division of Spang & Co.	2,005	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.680" (17.27mm)	72 nH	±8%	Ungapped	-	125	-	41.2	19.2	-	791.0	Coated	0.280" (7.11mm)	-	-
B65811J0400A087 FERRITE CORE RM 400NH N87 2PCS EPCOS - TDK Electronics	639	-	RFQ	Datasheet	RM8	Box	Active	RM	RM 8	N87	-	400 nH	±3%	Gapped	189.0	2200	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
E42/21/20-3C94 FERRITE CORE E 3C94 Ferroxcube	344	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 21 x 20	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.787" (20.00mm)
B66363G0000X197 FERRITE CORE ETD N97 1PC EPCOS - TDK Electronics	352	-	RFQ	Datasheet	ETD39/20/13	Box	Active	ETD	ETD 39 x 20 x 13	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)
B65541T0160G048 FERRITE CORE P 160NH N48 2PCS EPCOS - TDK Electronics	1,231	-	RFQ	Datasheet	P14/8	Box	Active	P (Pot Core)	P 14 x 8	N48	0.563" (14.30mm)	160 nH	±3%	Gapped	102.0	-	0.8	20.0	25.0	20.0	500.0	Uncoated	0.167" (4.25mm)	-	-

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.