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
ETD44/22/15-3C97 FERRITE CORE ETD 3C97 Ferroxcube	1,056	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
ETD49/25/16-3C94 FERRITE CORE ETD 3C94 Ferroxcube	619	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 49 x 25 x 16	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.972" (24.70mm)	1.961" (49.80mm)	0.657" (16.70mm)
EQ38/8/25-3C95 FERRITE CORE EQ 3C95 Ferroxcube	486	-	RFQ	Datasheet	-	Bulk	Active	EQ	EQ 38 x 8 x 25	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.315" (8.00mm)	1.500" (38.10mm)	1.000" (25.40mm)
0059380A2 FERRITE CORE TOROID 89NH EDGE Magnetics, a division of Spang & Co.	1,611	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	0.680" (17.27mm)	89 nH	±8%	Ungapped	-	125	-	41.4	23.2	-	960.0	Coated	0.250" (6.35mm)	-	-
PLT38/25/3.8-3F36 FERRITE CORE PLT 3F36 Ferroxcube	1,100	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 38 x 25 x 3.8	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)
CMC020012008H NANOCRYSTAL CORE TOROID 61.5UH Magnetics, a division of Spang & Co.	214	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Nanocrystalline	0.787" (20.00mm)	61.5 µH	±30%	Ungapped	-	80000	-	50.2	26.9	-	-	Polyester	0.315" (8.00mm)	-	-
B64290L0647X087 FERRITE CORE TOROID 2.88UH N87 EPCOS - TDK Electronics	1,295	-	RFQ	Datasheet	TX29/19/15	Box	Active	Toroid	-	N87	1.220" (31.00mm)	2.88 µH	±25%	Ungapped	-	2200	0.96	73.78	76.98	-	5680.0	Epoxy	0.634" (16.10mm)	-	-
B65805J0000R049 FERRITE CORE RM 1.3UH N49 2PCS EPCOS - TDK Electronics	1,039	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	N49	-	1.3 µH	-20%, +30%	Ungapped	960.0	1500	0.93	22.1	23.8	18.0	526.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
B65805N0315A048 FERRITE CORE RM 315NH N48 2PCS EPCOS - TDK Electronics	1,698	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	N48	-	315 nH	±3%	Gapped	251.0	-	1.0	20.8	20.8	-	433.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
3061990911 FERRITE CORE ROD 61 Fair-Rite Products Corp.	1,442	-	RFQ	Datasheet	-	Bulk	Active	ROD	-	61	0.315" (8.00mm)	-	-	Ungapped	18.0	125	-	-	50.3	-	-	Uncoated	-	1.772" (45.00mm)	-
B66287G0000X149 FERRITE CORE ELP N49 1PC EPCOS - TDK Electronics	1,287	-	RFQ	Datasheet	ELP32/6/20	Box	Active	ELP	ELP 32 x 6 x 20	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.801" (20.35mm)
B65807J0000Y038 FERRITE CORE RM 8.6UH T38 2PCS EPCOS - TDK Electronics	3,385	-	RFQ	Datasheet	RM6	Box	Active	RM	RM 6	T38	-	8.6 µH	-30%, +40%	Ungapped	5350.0	2300	0.78	28.6	36.6	31.0	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
B65811J0000R097 FERRITE CORE RM 3.3UH N97 2PCS EPCOS - TDK Electronics	830	-	RFQ	Datasheet	RM8	Box	Active	RM	RM 8	N97	-	3.3 µH	-20%, +30%	Ungapped	1560.0	2300	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
B65803N0160A048 FERRITE CORE RM 160NH N48 2PCS EPCOS - TDK Electronics	1,805	-	RFQ	Datasheet	RM4	Box	Active	RM	RM 4	N48	-	160 nH	±3%	Gapped	243.0	-	1.9	21.0	11.0	-	231.0	Uncoated	0.207" (5.25mm)	0.433" (11.00mm)	0.181" (4.60mm)
T60006L2020W409 FERRITE CORE TOROID 57UH VACUUMSCHMELZE	14,712	-	RFQ	Datasheet	-	Box	Active	Toroid	-	-	0.890" (22.60mm)	57 µH	-	Ungapped	-	-	-	5110.0	240.0	-	-	Coated	0.402" (10.20mm)	-	-
B65875A0000R087 FERRITE CORE PQ 2.65UH N87 2PCS EPCOS - TDK Electronics	558	-	RFQ	Datasheet	PQ20/20	Box	Active	PQ	PQ 20 x 20	N87	-	2.65 µH	-20%, +30%	Ungapped	1515.0	2200	0.718	45.2	62.9	54.4	2843.0	Uncoated	0.398" (10.10mm)	0.807" (20.50mm)	0.551" (14.00mm)
B65541W0000Y038 FERRITE CORE P 9.8UH T38 2PCS EPCOS - TDK Electronics	1,612	-	RFQ	Datasheet	P14/8	Box	Active	P (Pot Core)	P 14 x 8	T38	0.563" (14.30mm)	9.8 µH	-30%, +40%	Ungapped	5710.0	10000	0.73	21.0	28.7	23.6	603.0	Uncoated	0.167" (4.25mm)	-	-
B66287K0000X187 FERRITE CORE I N87 EPCOS - TDK Electronics	3,536	-	RFQ	Datasheet	I32/3/20	Tray	Active	I	I 32 x 3 x 20	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.124" (3.15mm)	1.250" (31.75mm)	0.801" (20.35mm)
B65811J0000R041 FERRITE CORE RM 4.1UH N41 2PCS EPCOS - TDK Electronics	846	-	RFQ	Datasheet	RM8	Box	Active	RM	RM 8	N41	-	4.1 µH	-20%, +30%	Ungapped	1940.0	2800	0.59	38.0	64.0	55.0	2430.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
B65541T0315A048 FERRITE CORE P 315NH N48 2PCS EPCOS - TDK Electronics	1,096	-	RFQ	Datasheet	P14/8	Box	Active	P (Pot Core)	P 14 x 8	N48	0.563" (14.30mm)	315 nH	±3%	Gapped	201.0	-	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.