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
RM12/I-3C95-E250 FERRITE CORE RM 250NH 3C95 2PC Ferroxcube	3,943	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3C95	-	250 nH	±3%	Gapped	77.0	-	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-3C95-E120 Ferrite Misc Ferroxcube	2,565	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3C95	-	120 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)
P30/19-3F3 Ferrite Misc Ferroxcube	3,994	-	RFQ	Datasheet	-	Bulk	Active	P	P 30 x 19	3F3	1.181" (30.00mm)	5.75 µH	±25%	Ungapped	1510.0	-	-	45.2	137.0	116.0	6190.0	Uncoated	0.370" (9.40mm)	-	-
B64290L0674X035 FERRITE CORE TOROID T35 EPCOS - TDK Electronics	3,279	-	RFQ	Datasheet	TX36/23/15	Box	Active	Toroid	-	T35	-	-	-	Gapped	-	6000	-	-	-	-	-	Epoxy	-	-	-
E80/38/20-3C94-G2000 FERRITE CORE E 3C94 Ferroxcube	3,412	-	RFQ	Datasheet	-	Bulk	Active	E	E 80 x 38 x 20	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.500" (38.10mm)	3.150" (80.00mm)	0.780" (19.80mm)
00G3515E060 EDGE 060 PERM 3515 E CORE Magnetics, a division of Spang & Co.	2,222	-	RFQ	Datasheet	-	Bulk	Active	E	-	Edge	-	102 nH	±8%	Ungapped	-	60	-	69.4	84.0	-	5830.0	Uncoated	0.368" (9.35mm)	1.360" (34.54mm)	0.368" (9.35mm)
SP43019A400 ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	3,877	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	P	-	400 nH	-	Ungapped	-	2500	-	45.6	123.0	-	5610.0	Uncoated	0.740" (18.80mm)	1.181" (30.00mm)	0.800" (20.32mm)
0079389A7 KOOL MU MAX 019 PERM BLACK 395 S Magnetics, a division of Spang & Co.	3,720	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E55/28/25-3F3 Ferrite Misc Ferroxcube	1,969	-	RFQ	Datasheet	-	Bulk	Active	E	E 55 x 28 x 25	3F3	-	7.4 µH	±25%	Ungapped	1730.0	-	-	123.0	420.0	411.0	52000.0	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.984" (25.00mm)
0059932A2 EDGE 026 PERM GREEN 930 SIZE Magnetics, a division of Spang & Co.	1,686	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	1.060" (26.92mm)	32 nH	±8%	Ungapped	-	26	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
00K5528B026 KOOL MU 5528 BLOCK Magnetics, a division of Spang & Co.	1,524	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	26	-	-	-	-	31200.0	Uncoated	1.085" (27.56mm)	2.160" (54.86mm)	0.811" (20.60mm)
00K6030B060 KOOL MU 6030 BLOCK Magnetics, a division of Spang & Co.	1,563	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	60	-	-	-	-	27000.0	Uncoated	1.181" (30.00mm)	2.362" (60.00mm)	0.591" (15.00mm)
00K6030B090 KOOL MU 6030 BLOCK Magnetics, a division of Spang & Co.	2,244	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	90	-	-	-	-	27000.0	Uncoated	1.181" (30.00mm)	2.362" (60.00mm)	0.591" (15.00mm)
00K6030B040 KOOL MU 6030 BLOCK Magnetics, a division of Spang & Co.	1,531	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0059936A2 EDGE 040 PERM GREEN 930 SIZE Magnetics, a division of Spang & Co.	3,925	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	1.060" (26.92mm)	50 nH	±8%	Ungapped	-	40	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
0059894A2S01 EDGE HDCB 060 PERM GREEN 930 SIZ Magnetics, a division of Spang & Co.	2,030	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High DCB Edge	1.060" (26.92mm)	75 nH	±8%	Ungapped	-	60	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
00K5528B060 KOOL MU 5528 BLOCK Magnetics, a division of Spang & Co.	1,377	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	60	-	-	-	-	31200.0	Uncoated	1.085" (27.56mm)	2.160" (54.86mm)	0.811" (20.60mm)
00K6030B014 KOOL MU 6030 BLOCK Magnetics, a division of Spang & Co.	3,795	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ZJ44715TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,846	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	1.891" (48.04mm)	8.075 µH	±20%	Ungapped	-	5000	-	110.4	143.5	-	15848.0	Epoxy	0.616" (15.65mm)	-	-
TX42/26/18-3C95 Ferrite Misc Ferroxcube	4,847	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 42 x 26 x 18	3C95	1.656" (42.05mm)	12.9 µH	±30%	Ungapped	-	8500	0.769	103.0	134.0	-	13810.0	Epoxy	0.709" (18.00mm)	-	-

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.