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
B65879A0000R087 FERRITE CORE PQ 6.3UH N87 2PCS EPCOS - TDK Electronics	240	-	RFQ	Datasheet	PQ32/20	Box	Active	PQ	PQ 32 x 20	N87	-	6.3 µH	-20%, +30%	Ungapped	1580.0	2200	0.314	48.4	154.2	127.5	7460.0	Uncoated	0.404" (10.25mm)	1.260" (32.00mm)	0.866" (22.00mm)
B66289K0000X149 FERRITE CORE I N49 EPCOS - TDK Electronics	870	-	RFQ	Datasheet	I38/4/25	Tray	Active	I	I 38 x 4 x 25	N49	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)
B66501G0000X197 FERRITE CORE ER N97 1PC EPCOS - TDK Electronics	1,429	-	RFQ	Datasheet	ER32/5/21	Box	Active	ER	ER 32 x 5 x 21	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.201" (5.10mm)	1.260" (32.00mm)	0.827" (21.00mm)
B65813P0000R087 FERRITE CORE RM 5.2UH N87 2PCS EPCOS - TDK Electronics	1,401	-	RFQ	Datasheet	RM10/LP	Cut Tape (CT)	Active	RM	RM 10 LP	N87	-	5.2 µH	-20%, +30%	Ungapped	1410.0	2200	0.34	33.9	99.1	90.0	3360.0	Uncoated	0.207" (5.25mm)	1.122" (28.50mm)	0.531" (13.50mm)
B65813J0000Y038 FERRITE CORE RM 16UH T38 2PCS EPCOS - TDK Electronics	995	-	RFQ	Datasheet	RM10	Box	Active	RM	RM 10	T38	-	16 µH	-30%, +40%	Ungapped	5720.0	2300	0.45	44.0	98.0	90.0	4310.0	Uncoated	0.368" (9.35mm)	1.122" (28.50mm)	0.531" (13.50mm)
PQ32/25-3F36 FERRITE CORE PQ 3F36 2PC SET Ferroxcube	671	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 32 x 25	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.984" (25.00mm)	1.299" (33.00mm)	0.866" (22.00mm)
B66335G0000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	381	-	RFQ	Datasheet	E55/28/21	Box	Active	E	E 55 x 28 x 21	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	1.094" (27.80mm)	2.165" (55.00mm)	0.827" (21.00mm)
P26/16/I-3F46 FERRITE CORE P 3F46 2PC SET Ferroxcube	434	-	RFQ	Datasheet	-	Bulk	Active	P (Pot Core)	P 26 x 16	3F46	1.004" (25.50mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	0.638" (16.20mm)	-	-
B66367Q0100K187 FERRITE CORE ETD 100NH N87 EPCOS - TDK Electronics	1,382	-	RFQ	Datasheet	ETD49/25/16	Bulk	Active	ETD	ETD 49 x 25 x 16	N87	-	100 nH	±10%	Distributed Gapped	-	-	0.54	114.0	211.0	209.0	24100.0	Uncoated	0.657" (16.70mm)	1.909" (48.50mm)	0.980" (24.90mm)
TX39/20/13-3C94 FERRITE CORE TOROID 3C94 Ferroxcube	246	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 39 x 20 x 13	3C94	1.567" (39.80mm)	-	±25%	Ungapped	2300.0	-	0.76	84.9	112.0	-	9513.0	Epoxy	0.535" (13.60mm)	-	-
B65877B0000R097 FERRITE CORE PQ 5.15UH N97 2PCS EPCOS - TDK Electronics	215	-	RFQ	Datasheet	PQ26/20	Box	Active	PQ	PQ 26 x 20	N97	-	5.15 µH	-20%, +30%	Ungapped	1480.0	2300	0.363	44.4	122.3	108.8	5435.0	Uncoated	0.397" (10.08mm)	1.043" (26.50mm)	0.748" (19.00mm)
B64290L0022X065 FERRITE CORE TOROID 5.8UH T65 EPCOS - TDK Electronics	252	-	RFQ	Datasheet	TX42/26/13	Box	Active	Toroid	-	T65	1.717" (43.60mm)	5.8 µH	±30%	Ungapped	-	5000	1.08	103.0	95.75	-	9862.0	Epoxy	0.535" (13.60mm)	-	-
TX39/20/13-3C90 FERRITE CORE TOROID 3C90 Ferroxcube	212	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 39 x 20 x 13	3C90	1.567" (39.80mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.535" (13.60mm)	-	-
TX39/20/13-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	144	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 39 x 20 x 13	3E27	1.567" (39.80mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.535" (13.60mm)	-	-
B66461G0000X197 FERRITE CORE ELP N97 1PC EPCOS - TDK Electronics	2,149	-	RFQ	Datasheet	ELP43/10/28	Box	Active	ELP	ELP 43 x 10 x 28	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
HF90T44.5X13X30 FERRITE CORE TOROID TDK Corporation	1,682	-	RFQ	Datasheet	T	Tray	Active	Toroid	-	-	1.752" (44.50mm)	-	-	Ungapped	-	5000	-	-	-	-	-	Epoxy	0.512" (13.00mm)	-	-
B65877B0000R087 FERRITE CORE PQ 5UH N87 2PCS EPCOS - TDK Electronics	459	-	RFQ	Datasheet	PQ26/20	Box	Active	PQ	PQ 26 x 20	N87	-	5 µH	-20%, +30%	Ungapped	1440.0	2200	0.363	44.4	122.3	108.8	5435.0	Uncoated	0.397" (10.08mm)	1.043" (26.50mm)	0.748" (19.00mm)
0059059A2 FERRITE CORE TOROID 43NH Magnetics, a division of Spang & Co.	473	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	0.930" (23.62mm)	43 nH	±8%	Ungapped	-	60	-	56.7	31.7	-	1800.0	Coated	0.330" (8.38mm)	-	-
B65811D0630J048 FERRITE CORE RM 630NH N48 2PCS EPCOS - TDK Electronics	128	-	RFQ	Datasheet	RM8	Cut Tape (CT)	Active	RM	RM 8	N48	-	630 nH	±5%	Gapped	338.0	-	0.68	35.1	52.0	-	1825.0	Uncoated	0.324" (8.25mm)	0.913" (23.20mm)	0.433" (11.00mm)
B66291G0000X197 FERRITE CORE ELP N97 EPCOS - TDK Electronics	1,055	-	RFQ	Datasheet	ELP43/10/28	Bag	Active	ELP	ELP 43 x 10 x 28	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)

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.