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
00K2510E040 KOOL MU 2510 E CORE Magnetics, a division of Spang & Co.	2,631	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	52 nH	±8%	Ungapped	-	40	-	48.5	38.5	-	1870.0	Uncoated	0.375" (9.53mm)	1.000" (25.40mm)	0.250" (6.35mm)
FR43208EC E-CORE WITH FLAT BACK Magnetics, a division of Spang & Co.	2,398	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	R	-	6.521 µH	-	Ungapped	-	2300	-	41.4	130.0	130.0	5380.0	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)
FR43208IC I-CORE WITH FLAT BACK Magnetics, a division of Spang & Co.	3,098	-	RFQ	Datasheet	-	Bulk	Active	I	-	R	-	7.321 µH	-	Ungapped	-	2300	-	35.1	130.0	130.0	4560.0	Uncoated	0.125" (3.18mm)	1.250" (31.75mm)	0.800" (20.32mm)
TX16/9.6/6.3-3C97 Ferrite Misc Ferroxcube	3,295	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 16 x 9.6 x 6.3	3C97	0.640" (16.25mm)	-	-	Ungapped	-	-	1.95	38.5	19.7	-	760.0	Epoxy	0.258" (6.55mm)	-	-
ER9.5/2.5/5-3E6-S Ferrite Misc Ferroxcube	2,184	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 9.5 x 2.5 x 5	3E6	-	4.8 µH	-30%, +40%	Ungapped	6400.0	-	1.67	14.2	8.47	7.6	120.0	Uncoated	0.096" (2.45mm)	0.374" (9.50mm)	0.197" (5.00mm)
ER9.5/2.5/5-3E5-S Ferrite Misc Ferroxcube	4,036	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 9.5 x 2.5 x 5	3E5	-	3.6 µH	-30%, +40%	Ungapped	4800.0	-	1.67	14.2	8.47	7.6	120.0	Uncoated	0.096" (2.45mm)	0.374" (9.50mm)	0.197" (5.00mm)
0F44119EC EC CORE Magnetics, a division of Spang & Co.	4,626	-	RFQ	Datasheet	-	Bulk	Active	EC	-	F	-	3.7 µH	±25%	Ungapped	-	3000	-	89.3	121.0	106.0	10800.0	Uncoated	0.768" (19.50mm)	1.598" (40.60mm)	0.457" (11.60mm)
E32/16/9-3C92-G500 FERRITE CORE E 3C92 Ferroxcube	2,025	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 16 x 9	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.646" (16.40mm)	1.260" (32.00mm)	0.374" (9.50mm)
PLT22/16/2.5-3C97 FERRITE CORE PLT 3C97 Ferroxcube	3,249	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 22 x 16 x 2.5	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
PLT22/16/2.5-3F36 FERRITE CORE PLT 3F36 Ferroxcube	1,167	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 22 x 16 x 2.5	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
PLT22/16/2.5-3F46 FERRITE CORE PLT 3F46 Ferroxcube	3,089	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 22 x 16 x 2.5	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
ROD10/40-3C90 FERRITE CORE ROD 3C90 Ferroxcube	2,943	-	RFQ	Datasheet	-	Bulk	Active	ROD	ROD 10 x 40	3C90	0.394" (10.00mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	-	1.575" (40.00mm)	-
ER11/2.5/6-3C94-A250-S Ferrite Misc Ferroxcube	4,452	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 11 x 2.5 x 6	3C94	-	250 nH	±8%	Gapped	246.0	-	1.23	14.7	11.9	10.3	174.0	Uncoated	0.096" (2.45mm)	0.433" (11.00mm)	0.236" (6.00mm)
ER11/2.5/6-3C94-A160-S Ferrite Misc Ferroxcube	4,428	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 11 x 2.5 x 6	3C94	-	160 nH	±5%	Gapped	157.0	-	1.23	14.7	11.9	10.3	174.0	Uncoated	0.096" (2.45mm)	0.433" (11.00mm)	0.236" (6.00mm)
ER11/2.5/6-3C94-A100-S Ferrite Misc Ferroxcube	3,785	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 11 x 2.5 x 6	3C94	-	100 nH	±3%	Gapped	98.0	-	1.23	14.7	11.9	10.3	174.0	Uncoated	0.096" (2.45mm)	0.433" (11.00mm)	0.236" (6.00mm)
ER9.5/2.5/5-3F4-A100-S Ferrite Misc Ferroxcube	4,644	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 9.5 x 2.5 x 5	3F4	-	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)
ER9.5/2.5/5-3F4-A40-S Ferrite Misc Ferroxcube	2,863	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 9.5 x 2.5 x 5	3F4	-	40 nH	±3%	Gapped	53.0	-	1.67	14.2	8.47	7.6	120.0	Uncoated	0.096" (2.45mm)	0.374" (9.50mm)	0.197" (5.00mm)
ER9.5/2.5/5-3F4-A63-S Ferrite Misc Ferroxcube	3,386	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 9.5 x 2.5 x 5	3F4	-	63 nH	±5%	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)
0L41126EC ER CORE Magnetics, a division of Spang & Co.	3,342	-	RFQ	Datasheet	-	Bulk	Active	ER	-	L	-	610 nH	±25%	Ungapped	-	900	-	14.7	11.9	10.3	174.0	Uncoated	0.096" (2.45mm)	0.433" (11.00mm)	0.236" (6.00mm)
E34/14/9-3C96 FERRITE CORE E 3C96 Ferroxcube	1,549	-	RFQ	Datasheet	-	Bulk	Active	E	E 34 x 14 x 9	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.555" (14.10mm)	1.350" (34.30mm)	0.366" (9.30mm)

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.