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
5678302021 FERRITE CORE PS 78 SET Fair-Rite Products Corp.	134	-	RFQ	Datasheet	-	Bulk	Active	PS	-	78	1.181" (30.00mm)	-	±25%	Ungapped	-	2300	35.6	45.3	127.0	-	5750.0	Uncoated	-	-	-
B64290A0618X033 FERRITE CORE TOROID EPCOS - TDK Electronics	329	-	RFQ	Datasheet	T25.3/14.8/15	Box	Active	Toroid	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
PQ20/20-3C97 FERRITE CORE PQ 3C97 2PC SET Ferroxcube	1,027	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 20 x 20	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.795" (20.20mm)	0.839" (21.30mm)	0.551" (14.00mm)
5977001621 FERRITE CORE TOROID 1.665UH 77 Fair-Rite Products Corp.	201	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	77	1.274" (32.35mm)	1.665 µH	-30%, +25%	Ungapped	-	2000	1.6226	75.7	46.6	-	3532.0	Plastic	0.343" (8.70mm)	-	-
E41/17/12-3C94 FERRITE CORE E 3C94 Ferroxcube	1,253	-	RFQ	Datasheet	-	Bulk	Active	E	E 41 x 17 x 12	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.654" (16.60mm)	1.598" (40.60mm)	0.488" (12.40mm)
PQ20/16-3F36 FERRITE CORE PQ 3F36 2PC SET Ferroxcube	233	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 20 x 16	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.638" (16.20mm)	0.839" (21.30mm)	0.551" (14.00mm)
B66506G0000X149 FERRITE CORE EQ N49 1PC EPCOS - TDK Electronics	919	-	RFQ	Datasheet	EQ30/8/20	Box	Active	EQ	EQ 30 x 8	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.315" (8.00mm)	1.181" (30.00mm)	0.787" (20.00mm)
P14/8/I-3C91 FERRITE CORE P 3C91 2PC SET Ferroxcube	2,826	-	RFQ	Datasheet	-	Bulk	Active	P (Pot Core)	P 14 x 8	3C91	0.553" (14.05mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	0.165" (4.20mm)	-	-
B64290L0651X038 FERRITE CORE TOROID 12UH T38 EPCOS - TDK Electronics	1,288	-	RFQ	Datasheet	TX22/14/13	Box	Active	Toroid	-	T38	0.917" (23.30mm)	12 µH	±30%	Ungapped	-	10000	1.05	54.15	51.15	-	2789.0	Epoxy	0.543" (13.80mm)	-	-
PC95ELT18X7.3-Z FERRITE CORE ELH 4.76UH 1SET TDK Corporation	695	-	RFQ	Datasheet	Planar	Tray	Active	ELH, PLT	ELT 18 x 7.3	PC95	-	4.76 µH	±25%	Ungapped	-	-	0.54	44.3	23.8	43.0	1050.0	Uncoated	0.222" (5.65mm)	0.709" (18.00mm)	0.567" (14.40mm)
B65525J0000R049 FERRITE CORE ER 800NH N49 2PCS EPCOS - TDK Electronics	7,372	-	RFQ	Datasheet	ER11/5	Tape & Reel (TR)	Active	ER	ER 11 x 5	N49	-	800 nH	-20%, +30%	Ungapped	715.0	-	1.1	14.1	12.4	-	174.0	Uncoated	0.098" (2.50mm)	0.433" (11.00mm)	0.236" (6.00mm)
B66285G0000X197 FERRITE CORE ELP N97 1PC EPCOS - TDK Electronics	1,550	-	RFQ	Datasheet	ELP22/6/16	Box	Active	ELP	ELP 22 x 6 x 16	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
TX26/15/20-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	684	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 26 x 15 x 20	3E27	1.061" (26.95mm)	-	±25%	Ungapped	5500.0	-	0.538	60.1	112.0	-	6720.0	Epoxy	0.827" (21.00mm)	-	-
B65843A0000Y038 FERRITE CORE EP 7UH T38 2PCS EPCOS - TDK Electronics	1,718	-	RFQ	Datasheet	EP13	Box	Active	EP	EP 13	T38	-	7 µH	-30%, +40%	Ungapped	6910.0	10000	1.24	24.2	19.5	14.9	472.0	Uncoated	0.256" (6.50mm)	0.504" (12.80mm)	0.354" (9.00mm)
RM7/ILP-3C95 FERRITE CORE RM 3C95 2PC SET Ferroxcube	971	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.386" (9.80mm)	0.799" (20.30mm)	-
H5AP18/11Z-52B 2PCS POT CORE FOR SIGNAL TRANSFO TDK Corporation	133	-	RFQ	Datasheet	P	Tray	Not For New Designs	P (Pot Core)	P 18 x 11	H5A	-	4.5 µH	±25%	Ungapped	2138.0	3300	0.596	25.8	43.3	34.4	1117.0	Uncoated	0.417" (10.60mm)	-	-
5995001001 FERRITE CORE TOROID 1949NH 95 Fair-Rite Products Corp.	432	-	RFQ	Datasheet	HF	Tray	Active	Toroid	-	95	1.142" (29.00mm)	1949 nH	±25%	Ungapped	-	3000	0.01934	73.7	38.0	-	2798.0	Uncoated	0.295" (7.50mm)	-	-
B66484K0000X187 FERRITE CORE I N87 1PC EPCOS - TDK Electronics	588	-	RFQ	Datasheet	I25/3/15	Box	Active	I	I 25 x 3 x 15	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.098" (2.50mm)	0.984" (25.00mm)	0.583" (14.80mm)
EFD10/5/3-3F46-S FERRITE CORE EFD 3F46 2PC SET Ferroxcube	1,995	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 10 x 5 x 3	3F46	-	-	±25%	Ungapped	655.0	-	3.29	23.7	7.2	6.5	171.0	Uncoated	0.205" (5.20mm)	0.413" (10.50mm)	0.106" (2.70mm)
PC95ER25/5.5/18-Z FERRITE CORE ER 4.4UH PCS95 2PC TDK Corporation	490	-	RFQ	Datasheet	Planar	Tray	Active	ER	ER 25 x 5.5 x 18	PC95	-	4.4 µH	±25%	Ungapped	-	-	0.49	53.7	26.1	38.5	1400.0	Uncoated	0.108" (2.75mm)	0.996" (25.30mm)	0.709" (18.00mm)

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.