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
CSV-RM5-2S-5P-C Ferrite Misc Ferroxcube	2,808	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B66307U0200D187 E16/8/5 N87 200 +8% - EPCOS - TDK Electronics	3,072	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65843A0040A087 FERRITE CORE EP N87 EPCOS - TDK Electronics	1,935	-	RFQ	Datasheet	-	Box	Not For New Designs	EP	EP 13	N87	-	-	-	-	-	2200	1.24	24.2	19.5	14.9	472.0	Uncoated	0.256" (6.50mm)	0.504" (12.80mm)	0.354" (9.00mm)
CF42216EC E-CORE WITH CLIP SLOT Magnetics, a division of Spang & Co.	3,462	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	F	-	6.131 µH	±25%	Ungapped	-	3000	-	32.3	76.0	73.1	2451.0	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
0J42106TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,506	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.811" (20.60mm)	2.8 µH	±20%	Ungapped	-	5000	-	50.3	24.6	-	1238.0	Uncoated	0.250" (6.35mm)	-	-
0077835A7 KOOL MU 075 PERM BLACK 030 SIZE Magnetics, a division of Spang & Co.	1,145	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.310" (7.87mm)	31 nH	±12%	Ungapped	-	75	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0077031A7 KOOL MU 060 PERM BLACK 030 SIZE Magnetics, a division of Spang & Co.	1,206	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.310" (7.87mm)	25 nH	±12%	Ungapped	-	60	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0077834A7 KOOL MU 090 PERM BLACK 030 SIZE Magnetics, a division of Spang & Co.	1,598	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.310" (7.87mm)	37 nH	±12%	Ungapped	-	90	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0T42019EC EFD CORE Magnetics, a division of Spang & Co.	3,370	-	RFQ	Datasheet	-	Bulk	Active	EFD	-	T	-	1.54 µH	±25%	Ungapped	-	3000	-	47.0	31.0	29.0	1460.0	Uncoated	0.394" (10.00mm)	0.787" (20.00mm)	0.262" (6.65mm)
MHC2-5.6/12-4B1 Ferrite Misc Ferroxcube	3,057	-	RFQ	Datasheet	-	Bulk	Active	Multi-Hole (2)	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
TX10/6/4-3E10-M FERRITE CORE TOROID Ferroxcube	4,174	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	-	-	-	Ungapped	-	-	3.07	24.1	7.8	-	3.07	Epoxy	0.167" (4.25mm)	-	-
TC6/4/2-4C65 Ferrite Misc Ferroxcube	2,700	-	RFQ	Datasheet	-	Bulk	Active	Toroid	Toroid 6 x 4 x 2	4C65	0.236" (6.00mm)	20 nH	±25%	Ungapped	-	125	7.75	15.3	1.97	-	30.2	Parylene	0.079" (2.00mm)	-	-
B62110A3069X022 FERRITE CORE EPCOS - TDK Electronics	3,978	-	RFQ	Datasheet	TUB3.85/1.5/5	Box	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E25/10/6-3F36 FERRITE CORE E 3F36 Ferroxcube	2,790	-	RFQ	Datasheet	-	Bulk	Active	E	E 25 x 10 x 6	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.380" (9.65mm)	1.000" (25.40mm)	0.250" (6.35mm)
28T0500-10H FERRITE CORE TOROID 510NH 28 Laird-Signal Integrity Products	1,016	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	28	0.506" (12.85mm)	510 nH	±20%	Ungapped	-	850	2.1	31.22	14.9	-	-	Epoxy	0.256" (6.50mm)	-	-
0P41826EC ER CORE Magnetics, a division of Spang & Co.	3,712	-	RFQ	Datasheet	-	Bulk	Active	ER	-	P	-	2.77 µH	-	Ungapped	-	2500	-	22.1	30.2	30.1	667.0	Uncoated	0.124" (3.15mm)	0.709" (18.00mm)	0.382" (9.70mm)
B64290P0687X065 R5.84/3.05/3.0 T65 TOROID EPCOS - TDK Electronics	2,512	-	RFQ	Datasheet	B64290	Bag	Active	Toroid	R 5.84 x 3.05 x 3	T65	0.236" (6.00mm)	1.8 µH	±30%	Ungapped	-	4600	3.22	13.03	4.04	-	52.6	Parylene	0.126" (3.20mm)	-	-
E20/10/6-3F3-A100 Ferrite Misc Ferroxcube	4,424	-	RFQ	Datasheet	-	Bulk	Active	E	E 20 x 10 x 6	3F3	-	100 nH	±8%	Gapped	114.0	-	1.45	46.0	32.0	-	1490.0	Uncoated	0.402" (10.20mm)	0.787" (20.00mm)	0.232" (5.90mm)
7898400221 FERRITE CORE E SET Fair-Rite Products Corp.	1,584	-	RFQ	Datasheet	-	Bulk	Active	E	-	-	-	-	±25%	Ungapped	-	2400	49.0	20.5	42.1	40.0	863.0	Uncoated	-	-	0.394" (10.00mm)
0J40907TC TOROID UNCOATED Magnetics, a division of Spang & Co.	1,649	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	0.375" (9.53mm)	3.765 µH	±20%	Ungapped	-	5000	-	22.7	13.7	-	310.0	Uncoated	0.280" (7.11mm)	-	-

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.