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
B65805N0040A001 FERRITE CORE RM 40NH K1 2PCS EPCOS - TDK Electronics	2,989	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	K1	-	40 nH	±3%	Gapped	31.8	80	1.0	20.8	20.8	-	433.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
5698362321 FERRITE CORE PS SET Fair-Rite Products Corp.	4,049	-	RFQ	Datasheet	-	Bulk	Active	PS	-	-	-	-	±25%	Ungapped	-	2400	29.0	55.3	164.0	-	9780.0	Uncoated	0.429" (10.90mm)	-	-
B66461G0000X195 FERRITE CORE ELP N95 1PC EPCOS - TDK Electronics	1,387	-	RFQ	Datasheet	ELP43/10/28	Box	Active	ELP	ELP 43 x 10 x 28	N95	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
PC95EIR22/5.5/15-Z FERRITE CORE HER 4.15UH 1SET TDK Corporation	4,969	-	RFQ	Datasheet	Planar	Tray	Active	HER, PLT	EIR 22 x 5.5 x 15	PC95	-	4.15 µH	±25%	Ungapped	-	-	0.51	46.1	23.2	36.3	1070.0	Uncoated	0.216" (5.50mm)	0.870" (22.10mm)	0.600" (15.25mm)
HF60T31X13X19 FERRITE CORE TOROID TDK Corporation	3,686	-	RFQ	Datasheet	T	Tray	Active	Toroid	-	-	-	-	-	Ungapped	-	1600	-	-	-	-	-	Epoxy	0.512" (13.00mm)	-	-
EP20-3C90 FERRITE CORE EP 4.435UH 3C90 2PC Ferroxcube	2,523	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 20	3C90	-	4.435 µH	±25%	Ungapped	1840.0	-	0.52	41.1	78.7	60.8	3230.0	Uncoated	0.843" (21.40mm)	0.945" (24.00mm)	0.591" (15.00mm)
B66461K0000X192 FERRITE CORE I N92 EPCOS - TDK Electronics	4,558	-	RFQ	Datasheet	I43/4/28	Bag	Active	I	I 43 x 4 x 28	N92	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.161" (4.10mm)	1.700" (43.20mm)	1.098" (27.90mm)
TX42/26/18-3C90 FERRITE CORE TOROID 3C90 Ferroxcube	2,219	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 42 x 26 x 18	3C90	1.697" (43.15mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.736" (18.70mm)	-	-
B66325G0000X130 FERRITE CORE E N30 1PC EPCOS - TDK Electronics	2,433	-	RFQ	Datasheet	E42/21/15	Box	Active	E	E 42 x 21 x 15	N30	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.835" (21.20mm)	1.654" (42.00mm)	0.598" (15.20mm)
B65805J0000R097 FERRITE CORE RM 2UH N97 2PCS EPCOS - TDK Electronics	4,422	-	RFQ	Datasheet	RM5	Cut Tape (CT)	Active	RM	RM 5	N97	-	2 µH	-20%, +30%	Ungapped	1480.0	2300	0.93	22.1	23.8	18.0	526.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
TX42/26/18-3E6 FERRITE CORE TOROID Ferroxcube	2,453	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 42 x 26 x 18	-	1.697" (43.15mm)	-	±30%	Ungapped	10000.0	-	0.769	103.0	134.0	-	13810.0	Epoxy	0.736" (18.70mm)	-	-
TX42/26/18-3E65 FERRITE CORE TOROID Ferroxcube	2,002	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 42 x 26 x 18	-	1.697" (43.15mm)	-	±25%	Ungapped	5200.0	-	0.769	103.0	134.0	-	13810.0	Epoxy	0.736" (18.70mm)	-	-
EC52/24/14-3C94 FERRITE CORE EC 3C94 Ferroxcube	1,650	-	RFQ	Datasheet	-	Bulk	Active	EC	EC 52 x 24 x 14	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.953" (24.20mm)	2.055" (52.20mm)	0.528" (13.40mm)
5695302021 FERRITE CORE PS 95 SET Fair-Rite Products Corp.	4,029	-	RFQ	Datasheet	-	Bulk	Active	PS	-	95	1.181" (30.00mm)	-	±25%	Ungapped	-	3000	35.6	45.3	127.0	-	5750.0	Uncoated	-	-	-
B65883A0000R087 FERRITE CORE PQ 4.3UH N87 2PCS EPCOS - TDK Electronics	1,244	-	RFQ	Datasheet	PQ40/40	Box	Active	PQ	PQ 40 x 40	N87	-	4.3 µH	-20%, +30%	Ungapped	1680.0	2200	0.49	92.5	188.3	159.9	17430.0	Uncoated	0.783" (19.90mm)	1.594" (40.50mm)	1.102" (28.00mm)
B66344G0000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	2,134	-	RFQ	Datasheet	E55/28/25	Box	Active	E	E 55 x 28 x 25	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	1.094" (27.80mm)	2.165" (55.00mm)	0.984" (25.00mm)
B64290A0022X033 FERRITE CORE TOROID EPCOS - TDK Electronics	4,271	-	RFQ	Datasheet	T42/26/13	Box	Active	Toroid	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B65887E1000J087 FERRITE CORE RM N87 EPCOS - TDK Electronics	4,621	-	RFQ	Datasheet	RM14	Box	Active	RM	RM 14	N87	-	-	-	Gapped	-	2200	0.35	70.0	200.0	170.0	14000.0	Uncoated	0.594" (15.10mm)	1.661" (42.20mm)	0.748" (19.00mm)
TX40/24/16-3E6 FERRITE CORE TOROID Ferroxcube	1,296	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 40 x 24 x 16	-	1.640" (41.65mm)	-	±30%	Ungapped	10000.0	-	0.769	96.3	125.0	-	12100.0	Epoxy	0.673" (17.10mm)	-	-
B66387G1500X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	1,339	-	RFQ	Datasheet	E65/32/27	Box	Active	E	E 65 x 32 x 27	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	1.291" (32.80mm)	2.559" (65.00mm)	1.079" (27.40mm)

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.