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
RM7/I-3C90-A100 FERRITE CORE RM 3C90 2PC SET Ferroxcube	4,704	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3C90	-	-	±25%	Gapped	-	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.528" (13.40mm)	0.799" (20.30mm)	0.677" (17.20mm)
ETD44/22/15-3C95-G200 FERRITE CORE ETD 3C95 Ferroxcube	2,030	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
TX26/15/10-3E10 Ferrite Misc Ferroxcube	3,035	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 26 x 15 x 10	3E10	1.061" (26.95mm)	11 µH	±20%	Ungapped	10000.0	-	1.08	60.1	55.9	-	3360.0	Epoxy	0.429" (10.90mm)	-	-
TX29/19/15-3E27-M7 FERRITE CORE TOROID 3E+27 Ferroxcube	4,089	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 29 x 19 x 15	3E27	1.179" (29.95mm)	-	±25%	Ungapped	7000.0	-	0.98	73.2	73.9	-	5410.0	Epoxy	0.632" (16.05mm)	-	-
C055131A2 MPP 060 PERM GREY 130 SIZE Magnetics, a division of Spang & Co.	2,340	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.465" (11.81mm)	26 nH	±8%	Ungapped	-	60	-	26.9	9.06	-	244.0	Coated	0.181" (4.60mm)	-	-
EQX3222E060L180 X FLUX 060 PERM EQ 3222 SIZE Magnetics, a division of Spang & Co.	2,432	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	XFlux	-	136 nH	±8%	Ungapped	-	60	-	91.1	152.0	-	13900.0	Uncoated	0.709" (18.00mm)	1.260" (32.00mm)	0.866" (22.00mm)
0R42616UG POT CORE Magnetics, a division of Spang & Co.	4,142	-	RFQ	Datasheet	-	Bulk	Active	P	-	R	1.004" (25.50mm)	5.213 µH	-	Ungapped	-	2300	-	37.6	93.9	77.4	3530.0	Uncoated	0.317" (8.05mm)	-	-
0J44022EC E-CORE Magnetics, a division of Spang & Co.	4,414	-	RFQ	Datasheet	-	Bulk	Active	E	-	J	-	10.613 µH	-	Ungapped	-	5000	-	97.0	233.0	233.0	22700.0	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.787" (20.00mm)
0V41408UG POT CORE Magnetics, a division of Spang & Co.	4,645	-	RFQ	Datasheet	-	Bulk	Active	P	-	V	0.563" (14.30mm)	2.24 µH	±25%	Ungapped	-	2300	-	19.8	25.1	19.8	495.0	Uncoated	0.164" (4.17mm)	-	-
0W42213UG POT CORE Magnetics, a division of Spang & Co.	4,985	-	RFQ	Datasheet	-	Bulk	Active	P	-	W	0.866" (22.00mm)	16 µH	-	Ungapped	-	10000	-	31.5	63.4	50.9	2000.0	Uncoated	0.264" (6.70mm)	-	-
ZF42507TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,987	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	1.035" (26.29mm)	2.348 µH	±20%	Ungapped	-	3000	-	61.5	39.0	-	2361.0	Epoxy	0.337" (8.55mm)	-	-
LPX3624E026L144 X FLUX 026 PERM LP 3624 SIZE Magnetics, a division of Spang & Co.	1,983	-	RFQ	Datasheet	-	Bulk	Active	ELP	-	XFlux	-	86 nH	±8%	Ungapped	-	26	-	80.6	177.0	-	14270.0	Uncoated	0.567" (14.40mm)	1.425" (36.20mm)	0.945" (24.00mm)
0J43610TC TOROID UNCOATED Magnetics, a division of Spang & Co.	2,955	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	1.417" (36.00mm)	4.543 µH	±20%	Ungapped	-	5000	-	89.7	63.9	89.7	5731.0	Uncoated	0.394" (10.00mm)	-	-
0077020AY KOOL MU 125 PERM AY 020 SIZE Magnetics, a division of Spang & Co.	3,825	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.250" (6.35mm)	50 nH	±12%	Ungapped	-	125	-	13.6	4.7	-	64.0	Uncoated	0.110" (2.79mm)	-	-
0P43021EC ER CORE Magnetics, a division of Spang & Co.	1,261	-	RFQ	Datasheet	-	Bulk	Active	ER	-	P	-	5.841 µH	-	Ungapped	-	2500	-	46.0	108.0	95.0	4970.0	Uncoated	0.315" (8.00mm)	1.181" (30.00mm)	0.787" (20.00mm)
NF42819UG SQ CORE RM DESIGN SCP Magnetics, a division of Spang & Co.	1,828	-	RFQ	Datasheet	-	Bulk	Active	RM	-	F	-	5.5 µH	±25%	Ungapped	-	3000	-	44.6	96.6	89.1	4310.0	Uncoated	0.366" (9.30mm)	1.122" (28.50mm)	0.531" (13.50mm)
0055290AY MPP 125 PERM AY 290 SIZE Magnetics, a division of Spang & Co.	4,361	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0R43021EC ER CORE Magnetics, a division of Spang & Co.	3,319	-	RFQ	Datasheet	-	Bulk	Active	ER	-	R	-	5.465 µH	-	Ungapped	-	2300	-	46.0	108.0	95.0	4970.0	Uncoated	0.315" (8.00mm)	1.181" (30.00mm)	0.787" (20.00mm)
T60006L2017P515 P515 VACUUMSCHMELZE	2,513	-	RFQ	Datasheet	-	Box	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65738J0400A087 FERRITE CORE N87 EPCOS - TDK Electronics	1,609	-	RFQ	Datasheet	B65738	Box	Not For New Designs	-	-	N87	-	-	-	-	-	2200	0.62	45.1	73.1	67.4	3293.0	Uncoated	0.362" (9.20mm)	-	0.610" (15.50mm)

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.