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
0059055A2 EDGE 075 PERM GREEN 050 SIZE Magnetics, a division of Spang & Co.	1,367	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	0.500" (12.70mm)	34 nH	±8%	Ungapped	-	75	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0059052A2 EDGE 026 PERM GREEN 050 SIZE Magnetics, a division of Spang & Co.	4,584	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	0.500" (12.70mm)	12 nH	±8%	Ungapped	-	26	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
ZP43113TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,819	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.255" (31.88mm)	3.1 µH	±25%	Ungapped	-	2500	-	75.4	73.6	-	5547.0	Epoxy	0.537" (13.65mm)	-	-
0059054A2 EDGE 090 PERM GREEN 050 SIZE Magnetics, a division of Spang & Co.	2,342	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	0.500" (12.70mm)	40 nH	±8%	Ungapped	-	90	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
0R44308EC E-SHAPE CORE SP Magnetics, a division of Spang & Co.	1,255	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	R	-	8.56 µH	-	Ungapped	-	2300	-	57.5	227.0	227.0	13100.0	Uncoated	0.335" (8.50mm)	1.701" (43.20mm)	1.098" (27.90mm)
0059051A2 EDGE 060 PERM GREEN 050 SIZE Magnetics, a division of Spang & Co.	2,249	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Edge	0.500" (12.70mm)	27 nH	±8%	Ungapped	-	60	-	31.2	10.9	-	340.0	Uncoated	0.187" (4.75mm)	-	-
C055019A2 MPP 147 PERM GREY 020 SIZE Magnetics, a division of Spang & Co.	2,479	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.275" (6.99mm)	59 nH	±8%	Ungapped	-	147	-	13.6	4.7	-	64.0	Coated	0.135" (3.43mm)	-	-
C055128A2 MPP 160 PERM GREY 130 SIZE Magnetics, a division of Spang & Co.	4,650	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.465" (11.81mm)	68 nH	±8%	Ungapped	-	160	-	26.9	9.06	-	244.0	Coated	0.181" (4.60mm)	-	-
0J41107UG POT CORE Magnetics, a division of Spang & Co.	2,812	-	RFQ	Datasheet	-	Bulk	Active	P	-	J	0.437" (11.10mm)	3.9 µH	-	Ungapped	-	5000	-	15.5	16.2	13.2	251.0	Uncoated	0.128" (3.25mm)	-	-
C055020A2 MPP 125 PERM GREY 020 SIZE Magnetics, a division of Spang & Co.	3,111	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.275" (6.99mm)	50 nH	±8%	Ungapped	-	125	-	13.6	4.7	-	64.0	Coated	0.135" (3.43mm)	-	-
HR42311UG DOUBLE SLAB CP W/HOLE Magnetics, a division of Spang & Co.	2,119	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	R	-	3.2 µH	-	Ungapped	-	2300	-	27.0	48.2	37.8	1300.0	Uncoated	0.436" (11.08mm)	0.900" (22.86mm)	0.600" (15.25mm)
ZP42212TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,263	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.900" (22.86mm)	3.02 µH	±25%	Ungapped	-	2500	-	54.1	51.9	-	2811.0	Epoxy	0.525" (13.34mm)	-	-
0077936A7 KOOL MU 040 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	1,958	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	50 nH	±8%	Ungapped	-	40	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
C055018A2 MPP 160 PERM GREY 020 SIZE Magnetics, a division of Spang & Co.	4,000	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.275" (6.99mm)	64 nH	±8%	Ungapped	-	160	-	13.6	4.7	-	64.0	Coated	0.135" (3.43mm)	-	-
C055284A2 MPP 173 PERM GREY 290 SIZE Magnetics, a division of Spang & Co.	1,128	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.405" (10.29mm)	92 nH	±8%	Ungapped	-	173	-	21.8	9.45	-	206.0	Coated	0.181" (4.60mm)	-	-
C055127A2 MPP 200 PERM GREY 130 SIZE Magnetics, a division of Spang & Co.	4,641	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.465" (11.81mm)	85 nH	±8%	Ungapped	-	200	-	26.9	9.06	-	244.0	Coated	0.181" (4.60mm)	-	-
E32/6/20/R-3C90 FERRITE CORE E 3C90 Ferroxcube	2,822	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 6 x 20	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)
E32/6/20-3C90 FERRITE CORE E 3C90 Ferroxcube	3,186	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 6 x 20	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)
E32/6/20-3C94 Ferrite Misc Ferroxcube	2,465	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 6 x 20	3C94	-	6.425 µH	±25%	Ungapped	1650.0	-	0.323	41.4	130.0	130.0	5380.0	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)
E32/6/20/R-3C94 Ferrite Misc Ferroxcube	1,768	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 6 x 20	3C94	-	7.35 µH	±25%	Ungapped	1610.0	-	0.278	35.1	130.0	119.0	4560.0	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)

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.