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
0079933A7 KOOL MU MAX 014 PERM BLACK 930 S Magnetics, a division of Spang & Co.	1,412	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.060" (26.92mm)	18 nH	±8%	Ungapped	-	14	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
C055404A2 MPP 173 PERM GREY 410 SIZE Magnetics, a division of Spang & Co.	1,166	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.295" (7.49mm)	95 nH	±8%	Ungapped	-	173	-	16.5	7.25	-	120.0	Coated	0.225" (5.72mm)	-	-
0055132A2 MPP 026 PERM GREY 130 SIZE Magnetics, a division of Spang & Co.	4,592	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.440" (11.18mm)	11 nH	±8%	Ungapped	-	26	-	26.9	9.06	-	244.0	Uncoated	0.156" (3.96mm)	-	-
0076936A7 KOOL MU HF 040 PERM BLACK 930 SI Magnetics, a division of Spang & Co.	2,465	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.060" (26.92mm)	52 nH	±8%	Ungapped	-	40	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
0076930A7 KOOL MU HF 125 PERM BLACK 930 SI Magnetics, a division of Spang & Co.	1,548	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
C055410A2 MPP 125 PERM GREY 410 SIZE Magnetics, a division of Spang & Co.	3,347	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.295" (7.49mm)	70 nH	±8%	Ungapped	-	125	-	16.5	7.25	-	120.0	Coated	0.225" (5.72mm)	-	-
C055407A2 MPP 200 PERM GREY 410 SIZE Magnetics, a division of Spang & Co.	3,089	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.295" (7.49mm)	112 nH	±8%	Ungapped	-	200	-	16.5	7.25	-	120.0	Coated	0.225" (5.72mm)	-	-
C055409A2 MPP 147 PERM GREY 410 SIZE Magnetics, a division of Spang & Co.	4,406	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.295" (7.49mm)	81 nH	±8%	Ungapped	-	147	-	16.5	7.25	-	120.0	Coated	0.225" (5.72mm)	-	-
C055408A2 MPP 160 PERM GREY 410 SIZE Magnetics, a division of Spang & Co.	3,763	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.295" (7.49mm)	89 nH	±8%	Ungapped	-	160	-	16.5	7.25	-	120.0	Coated	0.225" (5.72mm)	-	-
RM4-3H3-A100 Ferrite Misc Ferroxcube	4,596	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3H3	-	100 nH	±3%	Gapped	154.0	-	1.94	21.3	11.0	8.1	230.0	Uncoated	0.205" (5.20mm)	0.433" (11.00mm)	0.181" (4.60mm)
RM4-3H3-A63 Ferrite Misc Ferroxcube	2,694	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3H3	-	63 nH	±3%	Gapped	97.0	-	1.94	21.3	11.0	8.1	230.0	Uncoated	0.205" (5.20mm)	0.433" (11.00mm)	0.181" (4.60mm)
RM4-3H3-A160 Ferrite Misc Ferroxcube	2,681	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3H3	-	160 nH	±3%	Gapped	247.0	-	1.94	21.3	11.0	8.1	230.0	Uncoated	0.205" (5.20mm)	0.433" (11.00mm)	0.181" (4.60mm)
T60006L2020W450 FERRITE CORE TOROID 14UH VACUUMSCHMELZE	4,323	-	RFQ	Datasheet	-	Box	Active	Toroid	-	-	0.890" (22.60mm)	14 µH	-	Ungapped	-	-	-	51.1	24.0	-	-	Uncoated	0.402" (10.20mm)	-	-
UR42/21/12-3C90 FERRITE CORE UR 3C90 Ferroxcube	4,571	-	RFQ	Datasheet	-	Bulk	Active	UR	UR 42 x 21 x 12	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.811" (20.60mm)	1.646" (41.80mm)	0.469" (11.90mm)
RM8-3H3 Ferrite Misc Ferroxcube	4,889	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3H3	-	2.85 µH	±25%	Ungapped	1550.0	-	0.683	35.5	52.0	39.5	1850.0	Uncoated	0.323" (8.20mm)	0.913" (23.20mm)	0.433" (11.00mm)
ER18/3.2/10-3C96-A100-S FERRITE CORE ER 100NH 3C96 2PC Ferroxcube	1,733	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 18 x 3.2 x 10	3C96	-	100 nH	±3%	Gapped	58.0	-	0.73	22.1	30.2	30.1	667.0	Uncoated	0.382" (9.70mm)	0.709" (18.00mm)	0.124" (3.15mm)
RM8-3D3 Ferrite Misc Ferroxcube	4,996	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3D3	-	1.24 µH	±25%	Ungapped	675.0	-	0.683	35.5	52.0	39.5	1850.0	Uncoated	0.323" (8.20mm)	0.913" (23.20mm)	0.433" (11.00mm)
ER18/3.2/10-3C96-A400-S Ferrite Misc Ferroxcube	2,782	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 18 x 3.2 x 10	3C96	-	400 nH	±8%	Gapped	232.0	-	-	22.1	30.2	30.1	-	Uncoated	-	-	-
ER18/3.2/10-3C96-A250-S Ferrite Misc Ferroxcube	1,923	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 18 x 3.2 x 10	3C96	-	250 nH	±5%	Gapped	146.0	-	-	22.1	30.2	30.1	-	Uncoated	-	-	-
ER18/3.2/10-3C96-A160-S Ferrite Misc Ferroxcube	4,267	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 18 x 3.2 x 10	3C96	-	160 nH	±3%	Gapped	93.0	-	-	22.1	30.2	30.1	-	Uncoated	-	-	-

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.