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
E18/4/10/R-3C95-A250-P FERRITE CORE E 3C95 Ferroxcube	3,652	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
CL42216IC PI CS CORE Magnetics, a division of Spang & Co.	3,752	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	L	-	2.9 µH	±25%	Ungapped	-	900	-	26.1	80.4	72.5	2100.0	Uncoated	0.114" (2.90mm)	0.858" (21.80mm)	0.622" (15.80mm)
B65935J0000X022 FERRITE CORE EPCOS - TDK Electronics	2,804	-	RFQ	Datasheet	PS9.4/2.8	Box	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
TUB10/4.2/20-3C90 Ferrite Misc Ferroxcube	1,764	-	RFQ	Datasheet	-	Bulk	Active	Tube	TUB 10 x 4.2 x 20	3C90	0.394" (10.00mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	0.787" (20.00mm)	-
ER9.5/2.5/5-3F3-A100-S Ferrite Misc Ferroxcube	3,408	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 9.5 x 2.5 x 5	3F3	-	100 nH	±5%	Gapped	133.0	-	1.67	14.2	8.47	7.6	120.0	Uncoated	0.096" (2.45mm)	0.374" (9.50mm)	0.197" (5.00mm)
ER9.5/2.5/5-3F3-A160-S Ferrite Misc Ferroxcube	2,751	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 9.5 x 2.5 x 5	3F3	-	100 nH	±8%	Gapped	-	-	1.67	14.2	8.47	7.6	120.0	Uncoated	0.096" (2.45mm)	0.374" (9.50mm)	0.197" (5.00mm)
ER9.5/2.5/5-3F3-A500-S Ferrite Misc Ferroxcube	2,530	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ER9.5/2.5/5-3F3-A63-S Ferrite Misc Ferroxcube	3,397	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 9.5 x 2.5 x 5	3F3	-	63 nH	±3%	Gapped	84.0	-	1.67	14.2	8.47	7.6	120.0	Uncoated	0.096" (2.45mm)	0.374" (9.50mm)	0.197" (5.00mm)
ETD29/16/10-3C97-G200 FERRITE CORE ETD 3C97 Ferroxcube	4,395	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 29 x 16 x 10	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.622" (15.80mm)	1.205" (30.60mm)	0.386" (9.80mm)
ETD29/16/10-3F36-G200 FERRITE CORE ETD 3F36 Ferroxcube	2,783	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 29 x 16 x 10	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.622" (15.80mm)	1.205" (30.60mm)	0.386" (9.80mm)
ETD29/16/10-3F46-G200 FERRITE CORE ETD 3F46 Ferroxcube	3,733	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 29 x 16 x 10	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.622" (15.80mm)	1.205" (30.60mm)	0.386" (9.80mm)
YM41206TC TOROID PARYLENE COATED Magnetics, a division of Spang & Co.	1,318	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.518" (13.16mm)	17.163 µH	±30%	Ungapped	-	15000	-	25.0	22.0	-	550.0	Parylene	0.264" (6.71mm)	-	-
0P43517EC EC CORE Magnetics, a division of Spang & Co.	2,388	-	RFQ	Datasheet	-	Bulk	Active	EC	-	P	-	2.4 µH	-	Ungapped	-	2500	-	77.4	84.3	71.0	6530.0	Uncoated	0.681" (17.30mm)	1.358" (34.50mm)	0.374" (9.50mm)
0F40704UG FERRITE POT CORE Magnetics, a division of Spang & Co.	2,988	-	RFQ	Datasheet	-	Bulk	Active	P	-	F	0.285" (7.24mm)	1.2 µH	±25%	Ungapped	-	3000	-	9.9	7.0	5.9	69.0	Uncoated	0.082" (2.08mm)	-	-
E18/4/10/R-3F3 Ferrite Misc Ferroxcube	2,778	-	RFQ	Datasheet	-	Bulk	Active	E	E 18 x 4 x 10	3F36	0.394" (10.00mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	0.157" (4.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
COV-PQ35/41 Cover Ferroxcube	3,926	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
0078384A7 X FLUX 090 PERM BROWN 380 SIZE Magnetics, a division of Spang & Co.	2,297	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.680" (17.27mm)	64 nH	±8%	Ungapped	-	90	-	41.4	23.2	-	960.0	Uncoated	0.250" (6.35mm)	-	-
0078380A7 X FLUX 125 PERM BROWN 380 SIZE Magnetics, a division of Spang & Co.	2,705	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.680" (17.27mm)	89 nH	±8%	Ungapped	-	125	-	41.4	23.2	-	960.0	Uncoated	0.250" (6.35mm)	-	-
0078382A7 X FLUX 026 PERM BROWN 380 SIZE Magnetics, a division of Spang & Co.	1,635	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.680" (17.27mm)	19 nH	±8%	Ungapped	-	26	-	41.4	23.2	-	960.0	Uncoated	0.250" (6.35mm)	-	-
0078385A7 X FLUX 075 PERM BROWN 380 SIZE Magnetics, a division of Spang & Co.	3,063	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	XFlux	0.680" (17.27mm)	53 nH	±8%	Ungapped	-	75	-	41.4	23.2	-	960.0	Uncoated	0.250" (6.35mm)	-	-

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.