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
E43/10/28-3F36-A315-P FERRITE CORE E 3F36 Ferroxcube	4,982	-	RFQ	Datasheet	-	Bulk	Active	E	E 43 x 10 x 28	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
E43/10/28-3F36-A400-E FERRITE CORE E 3F36 Ferroxcube	1,297	-	RFQ	Datasheet	-	Bulk	Active	E	E 43 x 10 x 28	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
E43/10/28-3F36-A400-P FERRITE CORE E 3F36 Ferroxcube	2,541	-	RFQ	Datasheet	-	Bulk	Active	E	E 43 x 10 x 28	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
C055271A2 MPP 060 PERM GREY 270 SIZE Magnetics, a division of Spang & Co.	3,814	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.285" (7.24mm)	50 nH	±8%	Ungapped	-	60	-	13.6	9.2	-	125.0	Coated	0.213" (5.40mm)	-	-
0055022A2 MPP 026 PERM GREY 020 SIZE Magnetics, a division of Spang & Co.	2,447	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.250" (6.35mm)	10 nH	±8%	Ungapped	-	26	-	13.6	4.7	-	64.0	Uncoated	0.110" (2.79mm)	-	-
0055023A2 MPP 014 PERM GREY 020 SIZE Magnetics, a division of Spang & Co.	3,794	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.250" (6.35mm)	6 nH	±8%	Ungapped	-	14	-	13.6	4.7	-	64.0	Uncoated	0.110" (2.79mm)	-	-
0055243A2 MPP 014 PERM GREY 240 SIZE Magnetics, a division of Spang & Co.	2,628	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.260" (6.60mm)	6 nH	±8%	Ungapped	-	14	-	13.6	4.76	-	64.9	Uncoated	0.100" (2.54mm)	-	-
0055242A2 MPP 026 PERM GREY 240 SIZE Magnetics, a division of Spang & Co.	4,758	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.260" (6.60mm)	11 nH	±8%	Ungapped	-	26	-	13.6	4.76	-	64.9	Uncoated	0.100" (2.54mm)	-	-
B66457W0250J192 ELP32/6/20 N92 250 +5% - EPCOS - TDK Electronics	2,908	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
UR64/29/14-3C90 FERRITE CORE UR 3C90 Ferroxcube	3,265	-	RFQ	Datasheet	-	Bulk	Active	UR	UR 64 x 29 x 14	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.161" (29.50mm)	2.520" (64.00mm)	0.543" (13.80mm)
UR64/29/14-3C91 Ferrite Misc Ferroxcube	2,604	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B66289G0000X197 ELP38/8/25 N97 7400 +25% EPCOS - TDK Electronics	2,224	-	RFQ	Datasheet	B66289G	Tray	Active	ELP	ELP 38 x 8 x 25	N97	-	7.4 µH	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.325" (8.26mm)	1.500" (38.10mm)	1.000" (25.40mm)
B67354A0001X027 UR29/18/16 N27 2000 +30% EPCOS - TDK Electronics	2,310	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0077894A7HT32 KOOL MU 060 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	3,878	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	206 nH	±8%	Ungapped	-	60	-	63.5	180.0	-	11400.0	Uncoated	1.210" (30.73mm)	-	-
FP46410EC E-CORE WITH FLAT BACK Magnetics, a division of Spang & Co.	3,460	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	P	-	15.599 µH	-	Ungapped	-	2500	-	80.2	516.0	516.0	41400.0	Uncoated	0.402" (10.20mm)	2.520" (64.00mm)	2.000" (50.80mm)
0077936A7HT32 KOOL MU 040 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	4,666	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	138 nH	±8%	Ungapped	-	40	-	63.5	180.0	-	11400.0	Uncoated	1.210" (30.73mm)	-	-
PW42120UG EP CORE Magnetics, a division of Spang & Co.	3,951	-	RFQ	Datasheet	-	Bulk	Active	EP	-	W	-	19.286 µH	-	Ungapped	-	10000	-	41.1	78.7	60.8	3230.0	Uncoated	0.843" (21.40mm)	0.945" (24.00mm)	0.591" (15.00mm)
B65519D0000R001 FERRITE CORE EPCOS - TDK Electronics	4,756	-	RFQ	Datasheet	P9/7	Box	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
TX39/20/13-3E65 FERRITE CORE TOROID Ferroxcube	2,930	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 39 x 20 x 13	-	1.567" (39.80mm)	-	±25%	Ungapped	5200.0	-	0.76	84.9	112.0	-	9513.0	Epoxy	0.535" (13.60mm)	-	-
TX39/20/13-3C91 Ferrite Misc Ferroxcube	3,381	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 39 x 20 x 13	3C91	-	-	-	Ungapped	-	-	0.76	84.9	112.0	-	9513.0	Epoxy	0.520" (13.21mm)	0.520" (13.20mm)	-

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.