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
0055180AY MPP 125 PERM AY 180 SIZE Magnetics, a division of Spang & Co.	2,508	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.183" (4.65mm)	42 nH	±8%	Ungapped	-	125	-	10.6	2.85	-	30.3	Uncoated	0.100" (2.54mm)	-	-
6695404121 FERRITE CORE PQ 95 SET Fair-Rite Products Corp.	1,564	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	95	-	-	±25%	Ungapped	-	3000	52.3	103.6	198.0	170.0	20500.0	Uncoated	-	-	-
CPV-PM87/70-1S-C Ferrite Misc Ferroxcube	3,296	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0077720A7 KOOL MU 075 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	2,787	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	91 nH	±8%	Ungapped	-	75	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077721A7 KOOL MU 040 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	3,049	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	49 nH	±8%	Ungapped	-	40	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077717A7 KOOL MU 026 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	1,886	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	32 nH	±8%	Ungapped	-	26	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077718A7 KOOL MU 014 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	3,280	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	17 nH	±8%	Ungapped	-	14	-	127.3	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077719A7 KOOL MU 090 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	1,744	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	109 nH	±8%	Ungapped	-	90	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077715A7 KOOL MU 125 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	1,881	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	152 nH	±8%	Ungapped	-	125	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
B66343G0250X127 FERRITE CORE EC N27 1PC EPCOS - TDK Electronics	3,175	-	RFQ	Datasheet	B66343	Box	Not For New Designs	EC	EC 70 x 35 x 16	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	1.364" (34.65mm)	2.756" (70.00mm)	0.661" (16.80mm)
B66343G0500X127 FERRITE CORE EC N27 1PC EPCOS - TDK Electronics	1,230	-	RFQ	Datasheet	B66343	Box	Not For New Designs	EC	EC 70 x 35 x 16	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	1.364" (34.65mm)	2.756" (70.00mm)	0.661" (16.80mm)
B65671D0000R041 FERRITE CORE N41 EPCOS - TDK Electronics	3,624	-	RFQ	Datasheet	P26/16	Box	Active	-	P 26 x 16	N41	1.024" (26.00mm)	-	-	-	-	2800	0.4	37.2	93.0	76.5	3460.0	Uncoated	0.321" (8.15mm)	-	-
LPH3020E040L118 HIGH FLUX 040 PERM LP 3020 SIZE Magnetics, a division of Spang & Co.	1,433	-	RFQ	Datasheet	-	Bulk	Active	ELP	-	High Flux	-	96 nH	±8%	Ungapped	-	40	-	68.5	114.0	-	7800.0	Uncoated	0.465" (11.80mm)	1.181" (30.00mm)	0.787" (20.00mm)
LPH3020E060L118 HIGH FLUX 060 PERM LP 3020 SIZE Magnetics, a division of Spang & Co.	3,294	-	RFQ	Datasheet	-	Bulk	Active	ELP	-	High Flux	-	134 nH	±8%	Ungapped	-	60	-	68.5	114.0	-	7800.0	Uncoated	0.465" (11.80mm)	1.181" (30.00mm)	0.787" (20.00mm)
RM12/I-3C90-A1000 FERRITE CORE RM 1UH 3C90 2PC SET Ferroxcube	3,172	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3C90	-	1 µH	±3%	Gapped	310.0	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.965" (24.50mm)	1.472" (37.40mm)	0.634" (16.10mm)
RM12/I-3C94-A400 FERRITE CORE RM 3C94 2PC SET Ferroxcube	4,976	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3C94	-	-	±5%	Gapped	123.0	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.965" (24.50mm)	1.472" (37.40mm)	0.634" (16.10mm)
RM12/I-3C94-A630 FERRITE CORE RM 3C94 2PC SET Ferroxcube	2,365	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3C94	-	-	±5%	Gapped	194.0	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.965" (24.50mm)	1.472" (37.40mm)	0.634" (16.10mm)
RM12/I-3C90-A630 Ferrite Misc Ferroxcube	3,896	-	RFQ	Datasheet	RM12/I	Bulk	Active	RM	RM 12	3C90	-	630 nH	±5%	Gapped	194.0	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.482" (12.25mm)	1.472" (37.40mm)	0.634" (16.10mm)
RM12/I-3C94-A315 Ferrite Misc Ferroxcube	3,387	-	RFQ	Datasheet	RM12/I	Bulk	Active	RM	RM 12 x I	3C94	-	315 nH	±5%	Gapped	97.0	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.482" (12.25mm)	1.472" (37.40mm)	0.634" (16.10mm)
RM12/I-3C94-A300 Ferrite Misc Ferroxcube	4,247	-	RFQ	Datasheet	RM12/I	Bulk	Active	RM	RM 12 x I	3C94	-	300 nH	-	Gapped	-	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.482" (12.25mm)	1.472" (37.40mm)	0.634" (16.10mm)

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.