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 UU9330 COSMO INDIA U CORE FLAT/ VERTIC Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	U	U 93 x 76 x 30	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	2.992" (76.00mm)	3.661" (93.00mm)	1.181" (30.00mm)
CF297A UU12620 COSMO INDIA U CORE FLAT/ VERTIC Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	U	U 126 x 91 x 20	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	3.583" (91.00mm)	4.961" (126.00mm)	0.787" (20.00mm)
CF297 UU9330 COSMO INDIA U CORE FLAT/ VERTIC Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	U	U 93 x 76 x 30	N97	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	2.992" (76.00mm)	3.661" (93.00mm)	1.181" (30.00mm)
CF297 T14025 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 140 x 106 x 25	3C90	5.528" (140.40mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.996" (25.30mm)	-	-
CF139 PM8770 COSMO INDIA PM CORES MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	PM	PM 87 x 70	N87	3.425" (87.00mm)	12 µH	-20%, +30%	Ungapped	-	2200	0.16	146.0	910.0	-	133000.0	Uncoated	1.378" (35.00mm)	-	-
CF190 T14025 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 140 x 106 x 25	-	5.528" (140.40mm)	-	-	-	-	-	-	-	-	-	-	Epoxy	0.996" (25.30mm)	-	-
CF292 T0602 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	450	-	RFQ	Datasheet	-	Bulk	Active	Toroid	Toroid 6 x 4 x 2	3F3	-	-	±25%	Ungapped	-	-	7.75	15.3	1.97	-	30.2	Parylene	0.083" (2.10mm)	-	-
CF130 T1004 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	450	-	RFQ	Datasheet	-	Bulk	Active	Toroid	R 10 x 6 x 4	N30	0.394" (10.00mm)	1.76 µH	±25%	Ungapped	-	4300	3.07	24.07	7.83	-	188.0	Uncoated	0.157" (4.00mm)	-	-
CF130 EE1905A COSMO INDIA E CORE MN-ZN Cosmo Ferrites Ltd.	450	-	RFQ	Datasheet	-	Bulk	Active	E	E 19 x 8 x 5	3C91	-	1.5 µH	±25%	Ungapped	-	-	1.77	39.9	22.6	-	900.0	Uncoated	0.319" (8.10mm)	0.752" (19.10mm)	0.185" (4.70mm)
CF297A T1605C COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	450	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 16 x 9.1 x 4.7	3C94	0.635" (16.13mm)	-	±20%	Ungapped	-	2300	2.53	37.2	14.7	-	548.0	Epoxy	0.195" (4.95mm)	-	-

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.