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
00K8038U026 KOOL MU 8038 U CORE Magnetics, a division of Spang & Co.	4,379	-	RFQ	Datasheet	-	Bulk	Active	U	-	Kool Mu	-	97 nH	-	Ungapped	-	26	-	237.0	354.0	-	83900.0	Uncoated	1.500" (38.10mm)	3.150" (80.00mm)	0.921" (23.40mm)
00K8038U060 KOOL MU 8038 U CORE Magnetics, a division of Spang & Co.	3,858	-	RFQ	Datasheet	-	Bulk	Active	U	-	Kool Mu	-	179 nH	-	Ungapped	-	60	-	237.0	354.0	-	83900.0	Uncoated	1.525" (38.74mm)	3.185" (80.90mm)	0.921" (23.40mm)
B65651D0000R001 FERRITE CORE 180NH K1 EPCOS - TDK Electronics	1,154	-	RFQ	Datasheet	P18/11	Box	Active	-	P 18 x 11	K1	0.724" (18.40mm)	180 nH	-20%, +30%	Ungapped	90.0	80	0.6	25.9	43.0	-	1114.0	Uncoated	0.209" (5.30mm)	-	-
B65701D0250A048 P30/19 N48 250 +3% - EPCOS - TDK Electronics	1,194	-	RFQ	Datasheet	B65701	Tray	Active	P	P 30 x 19	N48	1.200" (30.50mm)	250 nH	±3%	Gapped	66.0	-	0.33	45.0	136.0	-	6120.0	Uncoated	0.362" (9.20mm)	-	-
B65701D0400A048 P30/19 N48 400 +3% - EPCOS - TDK Electronics	1,510	-	RFQ	Datasheet	B65701	Tray	Active	P	P 30 x 19	N48	1.200" (30.50mm)	400 nH	±3%	Gapped	105.0	-	0.33	45.0	136.0	-	6120.0	Uncoated	0.362" (9.20mm)	-	-
E65/32/27-3C95-G1000 FERRITE CORE E 3C95 Ferroxcube	2,970	-	RFQ	Datasheet	-	Bulk	Active	E	E 65 x 32 x 27	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.291" (32.80mm)	2.559" (65.00mm)	1.079" (27.40mm)
E65/32/27-3C95-G500 FERRITE CORE E 3C95 Ferroxcube	1,322	-	RFQ	Datasheet	-	Bulk	Active	E	E 65 x 32 x 27	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.291" (32.80mm)	2.559" (65.00mm)	1.079" (27.40mm)
RM14/I-3C94-A630 FERRITE CORE RM 3C94 2PC SET Ferroxcube	4,697	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 14	3C94	-	-	±25%	Gapped	-	-	0.353	70.0	198.0	168.0	13900.0	Uncoated	1.185" (30.10mm)	1.661" (42.20mm)	0.748" (19.00mm)
RM14/I-3C94-A160 Ferrite Misc Ferroxcube	2,519	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 14	3C94	-	160 nH	-	Ungapped	-	-	0.353	70.0	198.0	168.0	13900.0	Uncoated	0.593" (15.05mm)	1.661" (42.20mm)	0.748" (19.00mm)
RM14/I-3C94-A98 Ferrite Misc Ferroxcube	1,506	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 14	3C94	-	98 nH	-	Ungapped	-	-	0.353	70.0	198.0	168.0	13900.0	Uncoated	0.593" (15.05mm)	1.661" (42.20mm)	0.748" (19.00mm)
RM14/I-3C94-A250 Ferrite Misc Ferroxcube	2,974	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 14	3C94	-	250 nH	±3%	Gapped	70.0	-	0.353	70.0	198.0	168.0	13900.0	Uncoated	0.593" (15.05mm)	1.661" (42.20mm)	0.748" (19.00mm)
0P49938EC E SHAPE CORE Magnetics, a division of Spang & Co.	1,351	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	P	-	9.997 µH	-	Ungapped	-	2500	-	148.0	540.0	525.0	79800.0	Uncoated	0.799" (20.30mm)	4.016" (102.00mm)	1.476" (37.50mm)
B66344G1500X187 FERRITE CORE E N87 EPCOS - TDK Electronics	4,834	-	RFQ	Datasheet	E55/28/25	Box	Active	E	E 55 x 28 x 25	N87	-	-	-	Gapped	-	2200	0.3	124.0	420.0	420.0	52100.0	Uncoated	1.094" (27.80mm)	2.165" (55.00mm)	0.984" (25.00mm)
0R45050UG PQ CORE Magnetics, a division of Spang & Co.	3,118	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	R	-	7.4 µH	-	Ungapped	-	2300	-	113.0	328.0	314.0	37100.0	Uncoated	0.984" (25.00mm)	2.008" (51.00mm)	1.260" (32.00mm)
E65/32/27-3C92-G2000 FERRITE CORE E 3C92 Ferroxcube	4,089	-	RFQ	Datasheet	-	Bulk	Active	E	E 65 x 32 x 27	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.291" (32.80mm)	2.559" (65.00mm)	1.079" (27.40mm)
0055275AY MPP 300 PERM AY 280 SIZE Magnetics, a division of Spang & Co.	2,089	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.380" (9.65mm)	128 nH	±8%	Ungapped	-	300	-	21.8	7.52	-	164.0	Uncoated	0.125" (3.18mm)	-	-
UR64/43/20-3C90-/D Ferrite Misc Ferroxcube	1,180	-	RFQ	Datasheet	-	Bulk	Active	U	UR 64 x 43 x 20	3C90	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
T58/41/18-3C94 FERRITE CORE TOROID 3C94 Ferroxcube	2,631	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	3C94	2.295" (58.30mm)	-	±25%	-	2300.0	-	-	-	-	-	-	Uncoated	0.693" (17.60mm)	-	-
00K8044E040 KOOL MU 8044 E-CORE Magnetics, a division of Spang & Co.	4,618	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mµ	-	113 nH	±8%	Ungapped	-	40	-	208.0	389.0	-	80900.0	Uncoated	1.755" (44.58mm)	3.150" (80.00mm)	0.780" (19.80mm)
00K8044E060 KOOL MU 8044 E-CORE Magnetics, a division of Spang & Co.	2,199	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mµ	-	170 nH	±8%	Ungapped	-	60	-	208.0	389.0	-	80900.0	Uncoated	1.755" (44.58mm)	3.150" (80.00mm)	0.780" (19.80mm)

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.