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
CP42216IC I-CORE WITH CLIP SLOT Magnetics, a division of Spang & Co.	2,431	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	P	-	6.506 µH	-	Ungapped	-	2500	-	26.1	80.4	72.5	2100.0	Uncoated	0.114" (2.90mm)	0.858" (21.80mm)	0.622" (15.80mm)
B66311G1000X127 FERRITE CORE E N27 EPCOS - TDK Electronics	2,450	-	RFQ	Datasheet	E20/10/6	Box	Active	E	E 20 x 10 x 6	N27	-	-	-	Gapped	-	2000	1.44	46.3	32.1	31.9	1490.0	Uncoated	0.398" (10.10mm)	0.803" (20.40mm)	0.232" (5.90mm)
B66311G0240X127 E20/10/6 N27 GAP 0.24 EPCOS - TDK Electronics	3,957	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
39T0500-10H FERRITE CORE TOROID 4.2UH 39 Laird-Signal Integrity Products	3,438	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	39	0.506" (12.85mm)	4.2 µH	±25%	Ungapped	-	7000	1.92	31.06	16.17	-	-	Epoxy	0.256" (6.50mm)	-	-
B66307U0187K187 E16/8/5 N87 187 +10% EPCOS - TDK Electronics	4,319	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
YP40907TC TOROID-PARYLENE COATED Magnetics, a division of Spang & Co.	2,283	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.388" (9.86mm)	1.884 µH	±25%	Ungapped	-	2500	-	22.7	13.7	-	310.0	Parylene	0.290" (7.37mm)	-	-
0P42530EC E-CORE Magnetics, a division of Spang & Co.	1,456	-	RFQ	Datasheet	-	Bulk	Active	E	-	P	-	2.507 µH	-	Ungapped	-	2500	-	73.5	80.2	79.4	5900.0	Uncoated	0.626" (15.90mm)	1.000" (25.40mm)	0.500" (12.70mm)
ZR41005TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,434	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	0.400" (10.15mm)	1.51 µH	±25%	Ungapped	-	2300	-	20.7	10.9	-	227.0	Epoxy	0.210" (5.34mm)	-	-
PLT14/5/1.5/S-3F3 Ferrite Misc Ferroxcube	3,800	-	RFQ	Datasheet	-	Bulk	Active	PLT	E 14 x 3.5 x 5	3F36	-	1 µH	±25%	Ungapped	920.0	1600	1.15	16.4	14.2	10.9	230.0	Uncoated	0.059" (1.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
E14/3.5/5-3F4 Ferrite Misc Ferroxcube	3,699	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3F4	-	650 nH	±25%	Ungapped	740.0	-	1.43	20.7	14.3	14.3	300.0	Uncoated	0.138" (3.50mm)	0.815" (20.70mm)	0.197" (5.00mm)
B64290A0045X830 FERRITE CORE TOROID 2.77UH N30 EPCOS - TDK Electronics	2,095	-	RFQ	Datasheet	T16/9.6/6.3	Box	Active	Toroid	R 16 x 9.6 x 6.3	N30	0.630" (16.00mm)	2.77 µH	±25%	Ungapped	-	4300	1.95	38.52	19.73	-	760.0	Uncoated	0.248" (6.30mm)	-	-
PT41010UG EP CORE Magnetics, a division of Spang & Co.	2,381	-	RFQ	Datasheet	-	Bulk	Active	EP	-	R	-	1.2 µH	±25%	Ungapped	-	3000	-	19.3	11.3	66.0	215.0	Uncoated	0.406" (10.30mm)	0.453" (11.50mm)	0.300" (7.60mm)
B66315G0250X127 FERRITE CORE E N27 EPCOS - TDK Electronics	4,618	-	RFQ	Datasheet	E25.4/10/7	Box	Active	E	E 25.4 x 10 x 7	N27	-	-	-	Gapped	-	2000	1.27	49.2	38.8	38.4	1910.0	Uncoated	0.384" (9.78mm)	1.000" (25.40mm)	0.256" (6.50mm)
B66315G0500X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	2,949	-	RFQ	Datasheet	E25.4/10/7	Box	Active	E	E 25.4 x 10 x 7	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.384" (9.78mm)	1.000" (25.40mm)	0.256" (6.50mm)
B66307H0002X187 E16/8/5 N87 990 +30% EPCOS - TDK Electronics	3,892	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B66315G0000X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	1,612	-	RFQ	Datasheet	E25.4/10/7	Box	Active	E	E 25.4 x 10 x 7	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.384" (9.78mm)	1.000" (25.40mm)	0.256" (6.50mm)
E14/3.5/5-3C96 FERRITE CORE E 3C96 Ferroxcube	3,385	-	RFQ	Datasheet	-	Bulk	Active	E	E 14 x 3.5 x 5	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	0.551" (14.00mm)	0.197" (5.00mm)
B66307G0060X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	3,090	-	RFQ	Datasheet	E16/8/5	Box	Active	E	E 16 x 8 x 5	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
XJ41305TC TOROID BLACK COATED Magnetics, a division of Spang & Co.	4,296	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.513" (13.04mm)	2.38 µH	±20%	Ungapped	-	5000	-	31.7	11.4	-	361.0	Coated	0.210" (5.34mm)	-	-
B64290L0735X038 FERRITE CORE TOROID T38 EPCOS - TDK Electronics	3,210	-	RFQ	Datasheet	TX12.7/7.9/7.5	Box	Active	Toroid	-	T38	-	-	-	Gapped	-	10000	-	-	-	-	-	Epoxy	-	-	-

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.