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
0P40704A100 GAPPED POT CORE Magnetics, a division of Spang & Co.	1,205	-	RFQ	Datasheet	-	Bulk	Active	P	-	P	0.285" (7.24mm)	100 nH	-	Ungapped	-	2500	-	9.9	7.0	-	69.0	Uncoated	0.164" (4.17mm)	-	-
0055122A2 MPP 026 PERM GREY 120 SIZE Magnetics, a division of Spang & Co.	4,391	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.653" (16.59mm)	15 nH	±8%	Ungapped	-	26	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
E58/11/38-3C90 FERRITE CORE E 3C90 Ferroxcube	1,342	-	RFQ	Datasheet	-	Bulk	Active	E	E 58 x 11 x 38	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.413" (10.50mm)	2.299" (58.40mm)	1.500" (38.10mm)
E58/11/38-3C94 Ferrite Misc Ferroxcube	4,535	-	RFQ	Datasheet	-	Bulk	Active	E	E 58 x 11 x 38	3C94	-	8.48 µH	±25%	Ungapped	1800.0	-	0.268	80.6	308.0	308.0	24600.0	Uncoated	0.413" (10.50mm)	2.299" (58.40mm)	1.500" (38.10mm)
E55/28/25-3C92-E160 Ferrite Misc Ferroxcube	1,650	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E55/28/25-3C92-E165 Ferrite Misc Ferroxcube	1,647	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
TX42/26/18-3E10-M FERRITE CORE TOROID Ferroxcube	2,286	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 42 x 26 x 18	-	1.697" (43.15mm)	-	±30%	Ungapped	10000.0	-	0.769	103.0	134.0	-	13810.0	Epoxy	0.736" (18.70mm)	-	-
RM12/ILP-3F36 FERRITE CORE RM 3F36 2PC SET Ferroxcube	1,489	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3F36	-	-	±25%	Ungapped	-	-	0.28	42.0	148.0	125.0	6200.0	Uncoated	0.661" (16.80mm)	1.472" (37.40mm)	0.634" (16.10mm)
E55/28/21-3F36-G2000 FERRITE CORE E 3F36 Ferroxcube	3,586	-	RFQ	Datasheet	-	Bulk	Active	E	E 55 x 28 x 21	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.827" (21.00mm)
PLT58/38/4-3C97 FERRITE CORE PLT 3C97 Ferroxcube	4,464	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 58 x 38 x 4	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.161" (4.10mm)	2.299" (58.40mm)	1.500" (38.10mm)
PQ35/35-3C95-E315 Ferrite Misc Ferroxcube	2,561	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	3C95	-	315 nH	±3%	Gapped	114.0	-	0.454	86.1	190.0	162.0	16300.0	Uncoated	0.683" (17.35mm)	1.421" (36.10mm)	1.024" (26.00mm)
PQ35/35-3C95-A63 Ferrite Misc Ferroxcube	2,414	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	3C95	-	63 nH	-	Gapped	-	-	0.454	86.1	190.0	162.0	16300.0	Uncoated	0.683" (17.35mm)	1.421" (36.10mm)	1.102" (28.00mm)
0R48020EC E-CORE Magnetics, a division of Spang & Co.	3,386	-	RFQ	Datasheet	-	Bulk	Active	E	-	R	-	4.673 µH	-	Ungapped	-	2300	-	184.0	392.0	392.0	72300.0	Uncoated	1.500" (38.10mm)	3.150" (80.00mm)	0.780" (19.80mm)
0J47228EC E-CORE Magnetics, a division of Spang & Co.	4,690	-	RFQ	Datasheet	-	Bulk	Active	E	-	J	-	11.85 µH	-	Ungapped	-	5000	-	137.0	368.0	18.1	50300.0	Uncoated	1.098" (27.90mm)	2.850" (72.39mm)	0.748" (19.00mm)
SW43019UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	4,291	-	RFQ	Datasheet	-	Bulk	Active	PS	-	W	1.181" (30.00mm)	18.571 µH	-	Ungapped	-	10000	-	45.6	123.0	96.0	5610.0	Uncoated	0.370" (9.40mm)	-	-
B65811F0250A041 FERRITE CORE RM EPCOS - TDK Electronics	2,386	-	RFQ	Datasheet	RM8	Box	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
PQ35/30-3F36 FERRITE CORE PQ 3F36 2PC SET Ferroxcube	2,060	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 30	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.181" (30.00mm)	1.421" (36.10mm)	1.024" (26.00mm)
0077071A7HT33 KOOL MU 060 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	2,140	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	183 nH	±8%	Ungapped	-	60	-	81.4	196.8	-	16000.0	Uncoated	1.260" (32.00mm)	-	-
0077548A7HT33 KOOL MU 125 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	3,519	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	381 nH	±8%	Ungapped	-	125	-	81.4	196.8	-	16000.0	Uncoated	1.260" (32.00mm)	-	-
C055203A2 MPP 200 PERM GREY 206 SIZE Magnetics, a division of Spang & Co.	2,178	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.830" (21.08mm)	109 nH	±8%	Ungapped	-	200	-	50.9	22.1	-	1120.0	Coated	0.280" (7.11mm)	-	-

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.