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
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)
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)
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)

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.