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
ETD39/20/13-3F3 Ferrite Misc Ferroxcube	2,866	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 39 x 20 x 13	3F3	-	2.8 µH	±25%	Ungapped	1640.0	-	-	92.2	125.0	123.0	11500.0	Uncoated	0.780" (19.80mm)	1.575" (40.00mm)	0.504" (12.80mm)
PLT32/20/3.2/R-3C92 FERRITE CORE E 3C92 Ferroxcube	4,393	-	RFQ	Datasheet	-	Bulk	Active	E	PLT 32 x 20 x 3.2	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.125" (3.18mm)	1.250" (31.75mm)	0.800" (20.32mm)
PLT32/20/3.2-3C92 FERRITE CORE PLT 3C92 Ferroxcube	4,366	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 32 x 20 x 3.2	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.125" (3.18mm)	1.289" (32.75mm)	0.800" (20.32mm)
B65501J0000Y030 FERRITE CORE P 2PCS EPCOS - TDK Electronics	3,654	-	RFQ	Datasheet	P5.8/3.3	Box	Active	P (Pot Core)	P 5.8 x 3.3	-	0.228" (5.80mm)	-	-	Ungapped	-	-	1.68	7.9	4.7	-	37.0	Uncoated	0.067" (1.70mm)	-	-
E18/4/10/R-4F1 FERRITE CORE E Ferroxcube	4,174	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	-	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
RM4/ILP-3C94-A160 Ferrite Misc Ferroxcube	4,906	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3C94	-	160 nH	-	Gapped	-	-	1.19	17.3	14.5	11.3	251.0	Uncoated	0.154" (3.90mm)	0.433" (11.00mm)	0.181" (4.60mm)
RM6S/I-3H3-A630 Ferrite Misc Ferroxcube	3,009	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3H3	-	630 nH	±5%	Gapped	396.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3H3-A400 Ferrite Misc Ferroxcube	3,328	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3H3	-	400 nH	±3%	Gapped	250.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3H3-A160 Ferrite Misc Ferroxcube	2,614	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3H3	-	160 nH	-	Gapped	100.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3H3-A250 Ferrite Misc Ferroxcube	2,087	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3H3	-	250 nH	-	Gapped	-	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.323" (8.20mm)
SJ41408UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	1,591	-	RFQ	Datasheet	-	Bulk	Active	PS	-	J	0.551" (14.00mm)	4.5 µH	-	Ungapped	-	5000	-	20.2	23.0	19.2	460.0	Uncoated	0.167" (4.25mm)	-	-
SJ42311UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	4,697	-	RFQ	Datasheet	-	Bulk	Active	PS	-	J	0.902" (22.90mm)	7.875 µH	-	Ungapped	-	5000	-	28.6	61.0	53.6	1740.0	Uncoated	0.217" (5.51mm)	-	-
0075351A7 75 SERIES 060 PERM BLACK 350 SIZ Magnetics, a division of Spang & Co.	1,712	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	0.928" (23.57mm)	51 nH	±8%	Ungapped	-	60	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
XF40705TC TOROID BLACK COATED Magnetics, a division of Spang & Co.	1,467	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	0.313" (7.95mm)	2.505 µH	±20%	Ungapped	-	3000	-	15.0	9.9	-	149.0	Coated	0.196" (4.98mm)	-	-
0075352A7 75 SERIES 026 PERM BLACK 350 SIZ Magnetics, a division of Spang & Co.	1,202	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	0.928" (23.57mm)	22 nH	±8%	Ungapped	-	26	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
0075356A7 75 SERIES 040 PERM BLACK 350 SIZ Magnetics, a division of Spang & Co.	4,608	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	0.928" (23.57mm)	34 nH	±8%	Ungapped	-	40	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
ZP42908TC TOROID GREY COATED Magnetics, a division of Spang & Co.	2,437	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.177" (29.90mm)	1.585 µH	±25%	Ungapped	-	2500	-	73.2	36.0	-	2632.0	Epoxy	0.317" (8.05mm)	-	-
B65859A0000Y038 FERRITE CORE EPX 6.1UH T38 2PCS EPCOS - TDK Electronics	1,361	-	RFQ	Datasheet	EPX10	Box	Active	EPX	EPX 10	T38	-	6.1 µH	-30%, +40%	Ungapped	6630.0	2300	1.37	21.7	15.9	13.2	345.0	Uncoated	0.205" (5.20mm)	0.465" (11.80mm)	0.309" (7.85mm)
EP7-3F4 Ferrite Misc Ferroxcube	2,492	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 7	3F4	-	600 nH	±25%	Ungapped	730.0	-	1.45	15.5	10.7	8.55	165.0	Uncoated	0.148" (3.75mm)	0.370" (9.40mm)	0.256" (6.50mm)
E34/14/9-3F3 Ferrite Misc Ferroxcube	3,378	-	RFQ	Datasheet	-	Bulk	Active	E	E 34 x 14 x 9	3F3	-	-	±25%	Ungapped	1450.0	-	-	69.3	-	-	5590.0	Uncoated	0.386" (9.80mm)	1.350" (34.30mm)	0.366" (9.30mm)

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.