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
B65651D0315A087 FERRITE CORE N87 EPCOS - TDK Electronics	3,203	-	RFQ	Datasheet	P18/11	Box	Active	-	P 18 x 11	N87	0.724" (18.40mm)	-	-	Gapped	-	2200	0.6	25.9	43.0	-	1114.0	Uncoated	0.209" (5.30mm)	-	-
B65651W0160A087 FERRITE CORE N87 EPCOS - TDK Electronics	4,867	-	RFQ	Datasheet	P18/11	Box	Active	-	P 18 x 11	N87	0.724" (18.40mm)	-	-	Gapped	-	2200	0.57	26.6	46.7	33.9	1242.0	Uncoated	0.209" (5.30mm)	-	-
B65651W0250A087 FERRITE CORE N87 EPCOS - TDK Electronics	1,725	-	RFQ	Datasheet	P18/11	Box	Active	-	P 18 x 11	N87	0.724" (18.40mm)	-	-	Gapped	-	2200	0.57	26.6	46.7	33.9	1242.0	Uncoated	0.209" (5.30mm)	-	-
B65651W0315A087 FERRITE CORE N87 EPCOS - TDK Electronics	1,026	-	RFQ	Datasheet	P18/11	Box	Active	-	P 18 x 11	N87	0.724" (18.40mm)	-	-	Gapped	-	2200	0.57	26.6	46.7	33.9	1242.0	Uncoated	0.209" (5.30mm)	-	-
E42/33/20-3F36-G500 FERRITE CORE E 3F36 Ferroxcube	2,953	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 33 x 20	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.291" (32.80mm)	1.654" (42.00mm)	0.787" (20.00mm)
0077454A7 KOOL MU 125 PERM BLACK 454 SIZE Magnetics, a division of Spang & Co.	2,688	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.689" (42.90mm)	224 nH	±8%	Ungapped	-	125	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0077452A7 KOOL MU 075 PERM BLACK 454 SIZE Magnetics, a division of Spang & Co.	3,582	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.689" (42.90mm)	135 nH	±8%	Ungapped	-	75	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
C058120A2HT14 HIGH FLUX 125 PERM KHAKI 120 SIZ Magnetics, a division of Spang & Co.	4,847	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.680" (17.27mm)	144 nH	±8%	Ungapped	-	125	-	41.2	38.4	-	1580.0	Coated	0.551" (14.00mm)	-	-
0055031AY MPP 060 PERM AY 030 SIZE Magnetics, a division of Spang & Co.	4,490	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.310" (7.87mm)	25 nH	±8%	Ungapped	-	60	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0077448A7 KOOL MU 026 PERM BLACK 454 SIZE Magnetics, a division of Spang & Co.	2,907	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.689" (42.90mm)	47 nH	±8%	Ungapped	-	26	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0077450A7 KOOL MU 040 PERM BLACK 454 SIZE Magnetics, a division of Spang & Co.	4,069	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.689" (42.90mm)	72 nH	±8%	Ungapped	-	40	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0077453A7 KOOL MU 090 PERM BLACK 454 SIZE Magnetics, a division of Spang & Co.	2,622	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.689" (42.90mm)	161 nH	±8%	Ungapped	-	90	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0077451A7 KOOL MU 060 PERM BLACK 454 SIZE Magnetics, a division of Spang & Co.	3,902	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.689" (42.90mm)	108 nH	±8%	Ungapped	-	60	-	102.0	147.5	-	15100.0	Uncoated	0.640" (16.26mm)	-	-
0075256A7 75 SERIES 026 PERM BLACK 254 SIZ Magnetics, a division of Spang & Co.	2,647	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.570" (39.88mm)	35 nH	±8%	Ungapped	-	26	-	98.4	107.0	-	10600.0	Uncoated	0.570" (14.48mm)	-	-
0075260A7 75 SERIES 040 PERM BLACK 254 SIZ Magnetics, a division of Spang & Co.	4,527	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.570" (39.88mm)	54 nH	±8%	Ungapped	-	40	-	98.4	107.0	-	10600.0	Uncoated	0.570" (14.48mm)	-	-
0075083A7 75 SERIES 060 PERM BLACK 254 SIZ Magnetics, a division of Spang & Co.	1,695	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.570" (39.88mm)	81 nH	±8%	Ungapped	-	60	-	98.4	107.0	-	10600.0	Uncoated	0.570" (14.48mm)	-	-
0077083A7HT18 KOOL MU 060 PERM BLACK 254 SIZE Magnetics, a division of Spang & Co.	1,896	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.570" (39.88mm)	97 nH	±8%	Ungapped	-	60	-	98.5	127.0	-	12500.0	Uncoated	0.664" (16.86mm)	-	-
P18/11-3D3-A160/N Ferrite Misc Ferroxcube	3,396	-	RFQ	Datasheet	-	Bulk	Active	P	P 18 x 11	3D3	0.724" (18.40mm)	160 nH	±25%	Ungapped	76.0	-	0.597	25.8	43.3	36.0	1120.0	Uncoated	0.209" (5.30mm)	-	-
P18/11-3H3-A250/N Ferrite Misc Ferroxcube	2,291	-	RFQ	Datasheet	-	Bulk	Active	P	P 18 x 11	3H3	0.724" (18.40mm)	250 nH	±3%	Gapped	119.0	-	0.597	25.8	43.3	36.0	1120.0	Uncoated	0.209" (5.30mm)	-	-
P18/11-3H3-A160/N Ferrite Misc Ferroxcube	4,267	-	RFQ	Datasheet	-	Bulk	Active	P	P 18 x 11	3H3	0.724" (18.40mm)	160 nH	±3%	Gapped	76.0	-	0.597	25.8	43.3	36.0	1120.0	Uncoated	0.209" (5.30mm)	-	-

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.