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
CMC040032015H NANOCRYSTAL CORE TOROID 47.2UH Magnetics, a division of Spang & Co.	2,420	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Nanocrystalline	1.575" (40.00mm)	47.2 µH	±30%	Ungapped	-	80000	-	113.0	50.0	-	-	Polyester	0.591" (15.00mm)	-	-
B65883A0000R049 FERRITE CORE PQ 3.2UH N49 2PCS EPCOS - TDK Electronics	3,682	-	RFQ	Datasheet	PQ40/40	Box	Active	PQ	PQ 40 x 40	N49	-	3.2 µH	-20%, +30%	Ungapped	2145.0	1500	0.49	92.5	188.3	159.9	17430.0	Uncoated	0.783" (19.90mm)	1.594" (40.50mm)	1.102" (28.00mm)
B65701T1000A048 FERRITE CORE P 1UH N48 2PCS EPCOS - TDK Electronics	2,151	-	RFQ	Datasheet	P30/19	Box	Active	P (Pot Core)	P 30 x 19	N48	1.200" (30.50mm)	1 µH	±3%	Gapped	263.0	-	0.33	45.0	136.0	-	6120.0	Uncoated	0.374" (9.50mm)	-	-
B66297K0000X187 FERRITE CORE I N87 EPCOS - TDK Electronics	1,441	-	RFQ	Datasheet	I102/7/38	Bulk	Active	I	I 102 x 20 x 38	N87	-	-	±25%	Ungapped	-	-	-	-	-	-	-	Uncoated	0.275" (7.00mm)	4.016" (102.00mm)	1.476" (37.50mm)
P36/22-3F46 FERRITE CORE P 3F46 2PC SET Ferroxcube	2,490	-	RFQ	Datasheet	-	Bulk	Active	P (Pot Core)	P 36 x 22	3F46	1.425" (36.20mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	0.854" (21.70mm)	-	-
5961003821 FERRITE CORE TOROID 170NH 61 Fair-Rite Products Corp.	2,709	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	61	2.472" (62.80mm)	170 nH	±25%	Ungapped	-	125	0.91627	145.0	158.0	-	22800.0	Plastic	0.539" (13.70mm)	-	-
B66297GX197 FERRITE CORE EPCOS - TDK Electronics	2,090	-	RFQ	Datasheet	B66297G	Bulk	Active	E	ELP 102 x 20 x 38	N97	-	8.5 µH	±25%	Ungapped	1855.0	-	0.274	147.6	538.0	524.5	79410.0	-	0.799" (20.30mm)	4.016" (102.00mm)	1.476" (37.50mm)
B65981Q0250K095 FERRITE CORE PQ 250NH N95 EPCOS - TDK Electronics	1,325	-	RFQ	Datasheet	PQ50/50	Bulk	Active	PQ	PQ 50 x 50	N95	-	250 nH	±10%	Distributed Gapped	-	3000	0.342	113.0	332.0	314.0	37630.0	Uncoated	0.984" (25.00mm)	1.969" (50.00mm)	1.260" (32.00mm)
I93/28/30-3C94 FERRITE CORE I 3C94 Ferroxcube	3,357	-	RFQ	Datasheet	-	Bulk	Active	I	I 93 x 28 x 30	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.083" (27.50mm)	3.661" (93.00mm)	1.181" (30.00mm)
U93/76/16-3C94 FERRITE CORE U 3C94 Ferroxcube	3,809	-	RFQ	Datasheet	-	Bulk	Active	U	U 93 x 76 x 16	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	2.992" (76.00mm)	3.661" (93.00mm)	0.630" (16.00mm)
U100/57/25-3C90 FERRITE CORE U Ferroxcube	3,974	-	RFQ	Datasheet	-	Bulk	Active	U	U 100 x 57 x 25	-	-	-	-	-	-	-	-	-	-	-	-	Uncoated	-	-	0.984" (25.00mm)
B65982Q0400K095 FERRITE CORE PQ 400NH N95 EPCOS - TDK Electronics	1,385	-	RFQ	Datasheet	PQ65/60	Bulk	Active	PQ	PQ 65 x 60	N95	-	400 nH	±10%	Distributed Gapped	-	3000	0.228	137.0	171.0	531.0	81950.0	Uncoated	1.181" (30.00mm)	2.559" (65.00mm)	1.772" (45.00mm)
0079737A7 FERRITE CORE TOROID 204NH KOOLMU Magnetics, a division of Spang & Co.	3,444	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	2.961" (75.21mm)	204 nH	±8%	Ungapped	-	60	-	184.0	497.0	-	91400.0	Coated	1.414" (35.92mm)	-	-
PC95PQ65/44-Z FERRITE CORE PQ 15.5UH PCS95 2PC TDK Corporation	2,457	-	RFQ	Datasheet	Large PQ	Tray	Active	PQ	PQ 65 x 44	PC95	-	15.5 µH	±25%	Ungapped	-	-	0.17	103.0	604.0	-	62460.0	Uncoated	1.713" (43.50mm)	2.559" (65.00mm)	1.772" (45.00mm)
PC95PQ65/54-Z FERRITE CORE PQ 13.5UH PCS95 2PC TDK Corporation	4,299	-	RFQ	Datasheet	Large PQ	Tray	Active	PQ	PQ 65 x 54	PC95	-	13.5 µH	±25%	Ungapped	-	-	0.21	123.0	597.0	-	73552.0	Uncoated	2.106" (53.50mm)	2.559" (65.00mm)	1.772" (45.00mm)
0078337A7 FERRITE CORE TOROID 68NH XFLUX Magnetics, a division of Spang & Co.	2,614	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	5.219" (132.56mm)	68 nH	±8%	Ungapped	-	26	-	324.0	678.0	-	220000.0	Coated	1.000" (25.40mm)	-	-
0058740A2 FERRITE CORE TOROID 425NH HI FLX Magnetics, a division of Spang & Co.	2,963	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	2.961" (75.21mm)	425 nH	±8%	Ungapped	-	125	-	184.0	497.0	-	91400.0	Coated	1.414" (35.92mm)	-	-
3078990841 FERRITE CORE TUBE 78 Fair-Rite Products Corp.	2,817	-	RFQ	Datasheet	-	Bulk	Active	Rod	-	78	-	-	-	Ungapped	48.0	2300	-	-	1.77	-	-	Uncoated	-	-	-
4077296011 FERRITE CORE ROD 77 Fair-Rite Products Corp.	2,163	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	77	0.250" (6.35mm)	-	-	Ungapped	-	2000	-	-	-	-	-	Uncoated	-	1.250" (31.75mm)	-
B66358G0500X127 FERRITE CORE ETD N27 1PC EPCOS - TDK Electronics	4,919	-	RFQ	Datasheet	ETD29/16/10	Box	Active	ETD	ETD 29 x 16 x 10	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.630" (16.00mm)	1.205" (30.60mm)	0.386" (9.80mm)

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.