Ferrite Cores

Compare the current Ferrite Cores Magnetics - Transformer, Inductor Components selection by manufacturer, stock status, datasheet and technical parameters. Use these details to narrow the list to parts that match your design, maintenance or purchasing requirements.

For a specific MPN, package, electrical rating or quantity requirement, send the details to EGOO. We can help confirm availability, quotation and alternative sourcing options.

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
CF297A EC4112 COSMO INDIA EC CORES MN- ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	EC	EC 41 x 19 x 12	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.768" (19.50mm)	1.638" (41.60mm)	0.457" (11.60mm)
CF297A T2620 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 26 x 15 x 20	3C94	1.061" (26.95mm)	-	±25%	Ungapped	-	-	0.538	60.1	112.0	-	6720.0	Epoxy	0.827" (21.00mm)	-	-
CF139 EE3220P COSMO INDIA ELP CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	ELP	ELP 32 x 6 x 20	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.801" (20.35mm)
CF297 RM6 COSMO INDIA RM CORES MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	N97	-	2.4 µH	-20%, +30%	Ungapped	-	2300	0.78	28.6	36.6	-	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
CF295 PQ2620 COSMO INDIA PQ CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 26 x 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.795" (20.20mm)	1.075" (27.30mm)	0.748" (19.00mm)
CF139 RM6 COSMO INDIA RM CORES MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 6	N87	-	250 nH	±3%	Gapped	-	-	0.78	28.6	36.6	-	1050.0	Uncoated	0.246" (6.25mm)	0.701" (17.90mm)	0.323" (8.20mm)
CFN065 T2206C COSMO INDIA TOROIDAL RINGS NI-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 22 x 14 x 6.4	4C65	0.880" (22.35mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	-	-	-
CF139 T3610 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 36 x 23 x 10	-	1.463" (37.15mm)	-	±25%	Ungapped	-	-	1.38	89.7	64.9	-	5820.0	Epoxy	0.430" (10.92mm)	-	-
CF139 T3615 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 36 x 23 x 15	-	1.463" (37.15mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.630" (16.00mm)	-	-
CF190 T3615 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 36 x 23 x 15	-	1.463" (37.15mm)	-	±25%	Ungapped	-	-	0.919	89.7	97.5	-	8740.0	Epoxy	0.630" (16.00mm)	-	-

Ferrite Cores FAQ

How can I narrow the current Ferrite Cores selection?

Use the available manufacturer and technical filters to compare matching parts by specifications, stock status, pricing and datasheet information.

Can EGOO help source hard-to-find or obsolete Ferrite Cores parts?

Yes. Send the manufacturer part number and required quantity to our sourcing team for availability, lead-time and alternative sourcing support.

Can I request a quotation for a BOM or small-batch requirement?

Yes. EGOO supports BOM sourcing, prototype quantities and small-batch purchasing. Provide your part list and quantities for a quotation review.

What information should I provide when requesting a quote?

Please provide the target part number, manufacturer, quantity and any required date code, package or delivery requirements so our team can respond more accurately.