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
EFD12/6/3.5-3F3-A40-S Ferrite Misc Ferroxcube	1,615	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 12 x 6 x 3.5	3F3	-	40 nH	±5%	Gapped	80.0	-	2.5	28.5	11.4	10.7	325.0	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	0.138" (3.50mm)
EFD12/6/3.5-3F3-A100-S Ferrite Misc Ferroxcube	4,976	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 12 x 6 x 3.5	3F3	-	100 nH	±10%	Gapped	200.0	-	2.5	28.5	11.4	10.7	325.0	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	0.138" (3.50mm)
EFD12/6/3.5-3F3-A63-S Ferrite Misc Ferroxcube	3,037	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 12 x 6 x 3.5	3F3	-	-	±8%	Gapped	125.0	-	2.5	28.5	11.4	10.7	325.0	Uncoated	0.244" (6.20mm)	0.492" (12.50mm)	0.138" (3.50mm)
RM7/I-3F36 FERRITE CORE RM 3F36 2PC SET Ferroxcube	2,171	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3F36	-	-	±25%	Ungapped	-	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.528" (13.40mm)	0.799" (20.30mm)	0.677" (17.20mm)
RM7/I-3F46 FERRITE CORE RM 3F46 2PC SET Ferroxcube	4,088	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3F46	-	-	±25%	Ungapped	-	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.528" (13.40mm)	0.799" (20.30mm)	0.677" (17.20mm)
RM8/ILP-3C90-A315 FERRITE CORE RM 315NH 3C90 2PC Ferroxcube	4,926	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3C90	-	315 nH	±3%	Gapped	110.0	-	0.44	28.7	64.9	55.4	1860.0	Uncoated	0.370" (9.40mm)	0.913" (23.20mm)	0.433" (11.00mm)
EP17-3C91-A160 Ferrite Misc Ferroxcube	3,369	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 17	3C91	-	-	-	Gapped	110.0	-	-	-	-	-	-	Uncoated	-	-	-
EP17-3C91-A100 Ferrite Misc Ferroxcube	1,065	-	RFQ	Datasheet	-	Bulk	Active	EP	EP 17	3C91	-	-	-	Gapped	70.0	-	-	-	-	-	-	Uncoated	-	-	-
RM7/I-3E27 Ferrite Misc Ferroxcube	2,221	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RM8/ILP-3F3 Ferrite Misc Ferroxcube	2,907	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3F3	-	3.8 µH	±25%	Ungapped	1330.0	-	0.44	28.7	64.9	55.4	1860.0	Uncoated	0.228" (5.80mm)	0.913" (23.20mm)	0.433" (11.00mm)

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.