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
CF297 T4919 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 51 x 32 x 19	3C90	2.069" (52.55mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.783" (19.90mm)	-	-
CF139 RM14 COSMO INDIA RM CORES MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 14	N87	-	-	-	Gapped	-	2200	0.35	70.0	200.0	-	14000.0	Uncoated	0.594" (15.10mm)	1.661" (42.20mm)	0.748" (19.00mm)
7070 62-49-00-0000 FM Core Ferrite International	4,800	-	RFQ	Datasheet	-	Bulk	Active	PM	PM 62 x 49	7070	-	-	±25%	Ungapped	-	-	-	-	-	-	-	Uncoated	0.959" (24.35mm)	-	-
CF190 T4919 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 51 x 32 x 19	-	2.069" (52.55mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.783" (19.90mm)	-	-
CF295 RM14 COSMO INDIA RM CORES MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 14	N41	-	160 µH	±3%	Gapped	-	2800	0.35	70.0	200.0	-	14000.0	Uncoated	0.594" (15.10mm)	1.661" (42.20mm)	0.748" (19.00mm)
50ALL 81-33-16-0000 UR 81 Ferrite International	1,800	-	RFQ	Datasheet	-	Bulk	Active	UR	-	50ALL	-	-	±25%	Ungapped	-	-	-	-	-	-	-	Uncoated	1.285" (32.64mm)	3.197" (81.20mm)	0.622" (15.80mm)
7099 81-33-16-0000 UR 81 Ferrite International	1,800	-	RFQ	Datasheet	-	Bulk	Active	UR	-	7099	-	-	±25%	Ungapped	-	-	-	-	-	-	-	Uncoated	1.285" (32.64mm)	3.197" (81.20mm)	0.622" (15.80mm)
7070 81-33-16-0000 UR 81 Ferrite International	1,800	-	RFQ	Datasheet	-	Bulk	Active	UR	-	7070	-	-	±25%	Ungapped	-	-	-	-	-	-	-	Uncoated	1.285" (32.64mm)	3.197" (81.20mm)	0.622" (15.80mm)
CF139 PQ5040 COSMO INDIA PQ CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 50 x 40	N87	-	7.6 µH	-20%, +30%	Ungapped	-	-	0.28	93.0	334.0	-	31250.0	Uncoated	0.787" (20.00mm)	1.969" (50.00mm)	1.260" (32.00mm)
CF139 T5019 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 50 x 30 x 19	-	2.022" (51.35mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.791" (20.10mm)	-	-
CF139 T4919 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 51 x 32 x 19	-	2.069" (52.55mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.783" (19.90mm)	-	-
CF196 EE7032 COSMO INDIA E CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	E	E 70 x 33 x 32	N27	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	1.307" (33.20mm)	2.776" (70.50mm)	1.260" (32.00mm)
CF292 PQ3535 COSMO INDIA PQ CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	N92	-	3.3 µH	-20%, +30%	Ungapped	-	1500	0.467	79.2	169.7	-	13440.0	Uncoated	0.685" (17.40mm)	1.382" (35.10mm)	1.024" (26.00mm)
CF296 PQ3535 COSMO INDIA PQ CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	N95	-	150 nH	±10%	Distributed Gapped	-	3000	0.47	79.7	171.0	-	13650.0	Uncoated	0.685" (17.40mm)	1.382" (35.10mm)	1.024" (26.00mm)
CF139 EE7032 COSMO INDIA E CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	E	E 70 x 33 x 32	N87	-	250 nH	±10%	Distributed Gapped	-	2200	0.22	149.0	683.0	-	102000.0	Uncoated	1.307" (33.20mm)	2.776" (70.50mm)	1.260" (32.00mm)
CF296 ETD5922 COSMO INDIA ETD CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 59 x 31 x 22	N95	-	100 nH	±10%	Distributed Gapped	-	-	0.38	139.0	368.0	-	51200.0	Uncoated	0.870" (22.10mm)	2.354" (59.80mm)	0.870" (22.10mm)
5099 93-28-30-0000 I Bar Ferrite International	1,296	-	RFQ	Datasheet	*	Bulk	Active	I	I 93 x 28 x 30	5099	-	-	±25%	-	-	-	-	-	-	-	-	Uncoated	1.181" (30.00mm)	3.661" (93.00mm)	1.102" (28.00mm)
7070 93-28-30-0000 I Bar Ferrite International	1,296	-	RFQ	Datasheet	*	Bulk	Active	I	I 93 x 28 x 30	7070	-	-	±25%	-	-	-	-	-	-	-	-	Uncoated	1.181" (30.00mm)	3.661" (93.00mm)	1.102" (28.00mm)
7099 93-28-30-0000 I Bar Ferrite International	1,296	-	RFQ	Datasheet	*	Bulk	Active	I	I 93 x 28 x 30	7099	-	-	±25%	-	-	-	-	-	-	-	-	Uncoated	1.181" (30.00mm)	3.661" (93.00mm)	1.102" (28.00mm)
N001 93-28-30-0000 I Bar Ferrite International	1,296	-	RFQ	Datasheet	*	Bulk	Active	I	I 93 x 28 x 30	N001	-	-	±25%	-	-	-	-	-	-	-	-	Uncoated	1.181" (30.00mm)	3.661" (93.00mm)	1.102" (28.00mm)

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.