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
CF199 P2213 COSMO INDIA POT CORES MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	P (Pot Core)	P 22 x 13	T38	0.866" (22.00mm)	16 µH	-30%, +40%	Ungapped	-	10000	0.5	31.6	63.0	-	1990.0	Uncoated	0.268" (6.80mm)	-	-
CF295 PQ3535 COSMO INDIA PQ CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.366" (34.70mm)	1.421" (36.10mm)	1.024" (26.00mm)
CF199 T3415 COSMO INDIA TOROIDAL RINGS MN-Z Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	Toroid	R 34.0 × 20.5 × 12.5	T38	-	-	±30%	Ungapped	-	10000	0.99	82.06	82.6	-	6778.0	Epoxy	-	-	-
CF139 RM12 COSMO INDIA RM CORES MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	N87	-	5.3 µH	-20%, +30%	Ungapped	-	2200	0.39	57.0	146.0	-	8320.0	Uncoated	0.484" (12.30mm)	1.480" (37.60mm)	0.634" (16.10mm)
CF139 RM5 COSMO INDIA RM CORES MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 5	K1	-	40 nH	±3%	Gapped	-	80	1.0	20.8	20.8	-	433.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
CF196 EE5521 COSMO INDIA E CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	E	E 55 x 28 x 21	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	1.094" (27.80mm)	2.165" (55.00mm)	0.827" (21.00mm)
CF296 EE4328P COSMO INDIA ELP CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	ELP	ELP 43 x 10 x 28	N95	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.374" (9.50mm)	1.700" (43.20mm)	1.098" (27.90mm)
CF130 EP20 COSMO INDIA EP CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 20	N30	-	6.7 µH	-20%, +30%	Ungapped	-	5200	0.51	40.0	78.0	-	3120.0	Uncoated	0.425" (10.80mm)	0.965" (24.50mm)	0.602" (15.30mm)
CF140 RM10 COSMO INDIA RM CORES MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 10	N48	-	630 nH	±3%	Gapped	-	-	0.5	42.0	83.0	-	3490.0	Uncoated	0.368" (9.35mm)	1.122" (28.50mm)	0.531" (13.50mm)
CF297 PQ3535 COSMO INDIA PQ CORE MN-ZN Cosmo Ferrites Ltd.	500	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 35	3C97	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.366" (34.70mm)	1.421" (36.10mm)	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.