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
P18/11-3C91 FERRITE CORE P 3C91 2PC SET Ferroxcube	435	-	RFQ	Datasheet	-	Bulk	Active	P (Pot Core)	P 18 x 11	3C91	0.724" (18.40mm)	4000 nH	-	-	-	-	-	-	-	-	-	Uncoated	0.417" (10.60mm)	-	-
B66484G0000X149 FERRITE CORE ER N49 1PC EPCOS - TDK Electronics	1,655	-	RFQ	Datasheet	ER25/6/15	Box	Active	ER	ER 25 x 6 x 15	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.216" (5.50mm)	0.984" (25.00mm)	0.583" (14.80mm)
0077930A7 FERRITE CORE TOROID 157NH KOOLMU Magnetics, a division of Spang & Co.	983	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.090" (27.69mm)	157 nH	±8%	Ungapped	-	125	-	63.5	65.4	-	4150.0	Coated	0.470" (11.94mm)	-	-
PQ20/20-3C95 FERRITE CORE PQ 3C95 2PC SET Ferroxcube	491	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 20 x 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.795" (20.20mm)	0.839" (21.30mm)	0.551" (14.00mm)
B66363G0000X187 FERRITE CORE ETD N87 1PC EPCOS - TDK Electronics	384	-	RFQ	Datasheet	ETD39/20/13	Tray	Active	ETD	ETD 39 x 20 x 13	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)
0077932A7 FERRITE CORE TOROID 32NH KOOL MU Magnetics, a division of Spang & Co.	2,008	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.090" (27.69mm)	32 nH	±8%	Ungapped	-	26	-	63.5	65.4	-	4150.0	Coated	0.470" (11.94mm)	-	-
0077894A7 FERRITE CORE TOROID 75NH Magnetics, a division of Spang & Co.	1,259	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	1.060" (26.92mm)	75 nH	±8%	Ungapped	-	60	-	63.0	65.4	-	4150.0	Coated	0.440" (11.18mm)	-	-
0077934A7 FERRITE CORE TOROID 113NH KOOLMU Magnetics, a division of Spang & Co.	1,067	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	113 nH	±8%	Ungapped	-	90	-	63.5	65.4	-	4150.0	Coated	0.440" (11.18mm)	-	-
2631801802 31 ROUND SUPPRESSION CORE Fair-Rite Products Corp.	646	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	31	0.854" (21.70mm)	-	-	Ungapped	-	-	-	54.2	26.1	-	1415.0	Uncoated	0.240" (6.10mm)	-	-
PLT32/20/3.2/R-3F36 FERRITE CORE PLT 3F36 Ferroxcube	744	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 32 x 20 x 3.2	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.125" (3.18mm)	1.250" (31.75mm)	0.800" (20.32mm)
B66455G0000X608 FERRITE CORE ELP 2100NH PCS200 EPCOS - TDK Electronics	1,100	-	RFQ	Datasheet	ELP22/6/16	Box	Active	ELP	ELP 22 x 6 x 16	PC200	-	2100 nH	±25%	Ungapped	640.0	800	0.41	32.5	78.3	77.9	2540.0	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
PLT38/25/3.8-3C95 FERRITE CORE PLT 3C95 Ferroxcube	8,355	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 38 x 25 x 3.8	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)
B66339G0000X127 FERRITE CORE EC N27 1PC EPCOS - TDK Electronics	1,048	-	RFQ	Datasheet	EC41/20/12	Box	Active	EC	EC 41 x 20 x 12	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.469" (11.90mm)	1.598" (40.60mm)	0.774" (19.65mm)
C055047A2 FERRITE CORE TOROID 90NH MPP Magnetics, a division of Spang & Co.	5,406	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.500" (12.70mm)	90 nH	±8%	Ungapped	-	200	-	31.2	10.9	-	340.0	Coated	0.187" (4.75mm)	-	-
B65807J0000R087 FERRITE CORE RM 2.4UH N87 2PCS EPCOS - TDK Electronics	2,082	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	N87	-	2.4 µH	-20%, +30%	Ungapped	1490.0	2200	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
0070051A7 KOOL MU ULTRA 060 PERM BLACK Magnetics, a division of Spang & Co.	409	-	RFQ	Datasheet	-	Bag	Active	Toroid	-	Kool Mµ	0.500" (12.70mm)	26 nH	±8%	Ungapped	-	60	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
EQ30-3C95 FERRITE CORE EQ 3C95 Ferroxcube	710	-	RFQ	Datasheet	-	Bulk	Active	EQ	EQ 30	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.315" (8.00mm)	1.181" (30.00mm)	0.787" (20.00mm)
RM7/I-3C95 FERRITE CORE RM 3C95 2PC SET Ferroxcube	1,250	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.528" (13.40mm)	0.799" (20.30mm)	-
5978002701 FERRITE CORE TOROID 78 Fair-Rite Products Corp.	678	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	78	1.400" (35.56mm)	-	±25%	Ungapped	-	2300	-	89.0	79.0	-	7000.0	Uncoated	0.500" (12.70mm)	-	-
B65541D0000R048 FERRITE CORE P 2.1UH N48 2PCS EPCOS - TDK Electronics	1,466	-	RFQ	Datasheet	P14/8	Box	Active	P (Pot Core)	P 14 x 8	N48	0.563" (14.30mm)	2.1 µH	-20%, +30%	Ungapped	1340.0	-	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.