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
B65651D0000R041 FERRITE CORE N41 EPCOS - TDK Electronics	4,003	-	RFQ	Datasheet	P18/11	Box	Active	-	P 18 x 11	N41	0.724" (18.40mm)	-	-	-	-	2800	0.6	25.9	43.0	-	1114.0	Uncoated	0.209" (5.30mm)	-	-
0055177AY MPP 200 PERM AY 180 SIZE Magnetics, a division of Spang & Co.	4,042	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.183" (4.65mm)	67 nH	±8%	Ungapped	-	200	-	10.6	2.85	-	30.3	Uncoated	0.100" (2.54mm)	-	-
9578545402 FERRITE CORE ETD 78 SET Fair-Rite Products Corp.	3,199	-	RFQ	Datasheet	-	Bulk	Active	ETD	-	78	-	-	±25%	Ungapped	-	2300	47.0	125.6	265.0	240.0	33300.0	Uncoated	-	-	0.744" (18.90mm)
P26/16/I-3F3-E250 Ferrite Misc Ferroxcube	2,871	-	RFQ	Datasheet	P26/16	Bulk	Active	P	P 26 x 16 x I	3F3	1.004" (25.50mm)	250 nH	±3%	Gapped	72.0	-	0.36	39.6	110.0	87.0	4370.0	Uncoated	0.319" (8.10mm)	-	-
B66367G0100X187 FERRITE CORE ETD N87 EPCOS - TDK Electronics	3,759	-	RFQ	Datasheet	ETD49/25/16	Box	Active	ETD	ETD 49 x 25 x 16	N87	-	-	-	Gapped	-	2200	0.54	114.0	211.0	209.0	24100.0	Uncoated	0.980" (24.90mm)	1.909" (48.50mm)	0.657" (16.70mm)
B66367G1500X187 FERRITE CORE ETD N87 EPCOS - TDK Electronics	1,181	-	RFQ	Datasheet	ETD49/25/16	Box	Active	ETD	ETD 49 x 25 x 16	N87	-	-	-	Gapped	-	2200	0.54	114.0	211.0	209.0	24100.0	Uncoated	0.980" (24.90mm)	1.909" (48.50mm)	0.657" (16.70mm)
T60404-A4658-X033 FERRITE CORE VACUUMSCHMELZE	2,670	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0P44416TC TOROID-UNCOATED Magnetics, a division of Spang & Co.	1,628	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.744" (44.30mm)	5.83 µH	±25%	Ungapped	-	2500	-	88.0	187.0	-	16559.0	Uncoated	0.618" (15.70mm)	-	-
ZP44416TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,599	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.795" (45.60mm)	5.83 µH	±25%	Ungapped	-	2500	-	88.0	187.0	-	16559.0	Epoxy	0.655" (16.64mm)	-	-
0079071A7HT19 KOOL MU MAX 060 PERM BLACK 548 S Magnetics, a division of Spang & Co.	4,112	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.291" (32.80mm)	102 nH	±8%	Ungapped	-	60	-	81.4	110.0	-	8950.0	Uncoated	0.701" (17.80mm)	-	-
ZJ43620TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,763	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	1.463" (37.15mm)	9.086 µH	±20%	Ungapped	-	5000	-	89.6	128.0	-	11461.0	Epoxy	0.813" (20.65mm)	-	-
ETD54/28/19-3F36-G1000 FERRITE CORE ETD 3F36 Ferroxcube	2,478	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 54 x 28 x 19	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.087" (27.60mm)	2.156" (54.50mm)	0.744" (18.90mm)
ETD54/28/19-3F36-G500 FERRITE CORE ETD 3F36 Ferroxcube	1,104	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 54 x 28 x 19	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.087" (27.60mm)	2.156" (54.50mm)	0.744" (18.90mm)
U67/27/14-3C90 FERRITE CORE U 3C90 Ferroxcube	1,084	-	RFQ	Datasheet	-	Bulk	Active	U	U 67 x 27 x 14	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.063" (27.00mm)	2.650" (67.30mm)	0.563" (14.30mm)
ETD54/28/19-3C92-G1500 Ferrite Misc Ferroxcube	1,109	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B66329G0000X130 FERRITE CORE E N30 EPCOS - TDK Electronics	1,294	-	RFQ	Datasheet	E42/21/20	Box	Active	E	E 42 x 21 x 20	N30	-	-	-	-	-	4300	0.41	97.0	234.0	229.0	22700.0	Uncoated	0.835" (21.20mm)	1.654" (42.00mm)	0.787" (20.00mm)
B65845J0000R035 FERRITE CORE EP T35 EPCOS - TDK Electronics	2,144	-	RFQ	Datasheet	EP17	Box	Active	EP	EP 17	T35	-	-	-	-	-	6000	0.84	28.5	33.9	25.5	966.0	Uncoated	0.335" (8.50mm)	0.724" (18.40mm)	0.443" (11.25mm)
ETD54/28/19-3C97-G1000 FERRITE CORE ETD 3C97 Ferroxcube	1,837	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 54 x 28 x 19	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.087" (27.60mm)	2.156" (54.50mm)	0.744" (18.90mm)
ETD54/28/19-3C97-G200 FERRITE CORE ETD 3C97 Ferroxcube	1,756	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 54 x 28 x 19	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.087" (27.60mm)	2.156" (54.50mm)	0.744" (18.90mm)
ETD54/28/19-3C97-G500 FERRITE CORE ETD 3C97 Ferroxcube	2,269	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 54 x 28 x 19	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.087" (27.60mm)	2.156" (54.50mm)	0.744" (18.90mm)

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.