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
ER14.5/3/7-3C94-A100-S Ferrite Misc Ferroxcube	1,271	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 14.5 x 3 x 7	3C94	-	100 nH	±3%	Gapped	86.0	-	1.08	19.0	17.6	17.3	333.0	Uncoated	0.116" (2.95mm)	0.571" (14.50mm)	0.268" (6.80mm)
ER14.5/3/7-3C94-A160-S Ferrite Misc Ferroxcube	3,206	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 14.5 x 3 x 7	3C94	-	160 nH	±5%	Gapped	137.0	-	1.08	19.0	17.6	17.3	333.0	Uncoated	0.116" (2.95mm)	0.571" (14.50mm)	0.268" (6.80mm)
ER14.5/3/7-3C94-A250-S Ferrite Misc Ferroxcube	3,217	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 14.5 x 3 x 7	3C94	-	250 nH	±8%	Gapped	215.0	-	1.08	19.0	17.6	17.3	333.0	Uncoated	0.116" (2.95mm)	0.571" (14.50mm)	0.268" (6.80mm)
RW41510UG R-RM DESIGN Magnetics, a division of Spang & Co.	1,467	-	RFQ	Datasheet	-	Bulk	Active	RM	-	W	-	6 µH	-	Ungapped	-	10000	-	21.4	21.0	13.9	449.0	Uncoated	0.205" (5.20mm)	0.575" (14.60mm)	0.260" (6.60mm)
0P44020EC E-SHAPE CORE Magnetics, a division of Spang & Co.	4,686	-	RFQ	Datasheet	-	Bulk	Active	E	-	P	-	5 µH	-	Ungapped	-	2500	-	97.0	178.0	175.0	17300.0	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.598" (15.20mm)
0R43521EC EER CORE Magnetics, a division of Spang & Co.	2,029	-	RFQ	Datasheet	-	Bulk	Active	EER	-	R	-	2.693 µH	-	Ungapped	-	2300	-	90.8	107.0	100.0	9710.0	Uncoated	0.815" (20.70mm)	1.378" (35.00mm)	0.449" (11.40mm)
0R42213UG POT CORE Magnetics, a division of Spang & Co.	3,087	-	RFQ	Datasheet	-	Bulk	Active	P	-	R	0.866" (22.00mm)	4.04 µH	-	Ungapped	-	2300	-	31.5	63.4	50.9	2000.0	Uncoated	0.264" (6.70mm)	-	-
0F44317EC E-SHAPE CORE Magnetics, a division of Spang & Co.	4,347	-	RFQ	Datasheet	-	Bulk	Active	E	-	F	-	5.9 µH	±25%	Ungapped	-	3000	-	77.0	149.0	142.0	11500.0	Uncoated	0.654" (16.60mm)	1.598" (40.60mm)	0.488" (12.40mm)
E22/6/16/R-3C92-A250-P FERRITE CORE E 3C92 Ferroxcube	3,475	-	RFQ	Datasheet	-	Bulk	Active	E	E 22 x 6 x 16	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
E22/6/16/R-3C92-A400-P FERRITE CORE E 3C92 Ferroxcube	3,336	-	RFQ	Datasheet	-	Bulk	Active	E	E 22 x 6 x 16	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
EFD30/15/9-3F36-A160 FERRITE CORE EFD 3F36 Ferroxcube	1,254	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 30 x 15 x 9	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
EFD30/15/9-3F36-A250 FERRITE CORE EFD 3F36 Ferroxcube	3,264	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 30 x 15 x 9	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
EFD30/15/9-3F46-A160 FERRITE CORE EFD 3F46 Ferroxcube	3,557	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 30 x 15 x 9	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
EFD30/15/9-3F46-A250 FERRITE CORE EFD 3F46 Ferroxcube	2,992	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 30 x 15 x 9	3F46	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
ER11/2.5/6-3C95-A100-S FERRITE CORE ER 100NH 3C95 2PC Ferroxcube	3,293	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 11 x 2.5 x 6	3C95	-	100 nH	±4%	Gapped	98.0	-	1.23	14.7	11.9	10.3	174.0	Uncoated	0.236" (6.00mm)	0.433" (11.00mm)	0.096" (2.45mm)
RM6S/I-3C90-A125 FERRITE CORE RM 125NH 3C90 2PC Ferroxcube	2,488	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C90	-	125 nH	±3%	Gapped	78.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.488" (12.40mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3C90-A315 FERRITE CORE RM 3C90 2PC SET Ferroxcube	1,562	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C90	-	-	±3%	Gapped	198.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.488" (12.40mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3C90-A400 FERRITE CORE RM 3C90 2PC SET Ferroxcube	3,348	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C90	-	-	±3%	Gapped	251.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.488" (12.40mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3C90-A630 FERRITE CORE RM 3C90 2PC SET Ferroxcube	3,054	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C90	-	-	±5%	Gapped	396.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.488" (12.40mm)	0.701" (17.90mm)	0.323" (8.20mm)
RM6S/I-3C94-A100 FERRITE CORE RM 3C94 2PC SET Ferroxcube	4,224	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	3C94	-	-	±3%	Gapped	63.0	-	0.784	29.2	37.0	31.2	1090.0	Uncoated	0.488" (12.40mm)	0.701" (17.90mm)	0.323" (8.20mm)

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.