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
P18/11-3C95 FERRITE CORE P 4UH 3C95 2PC SET Ferroxcube	1,353	-	RFQ	Datasheet	-	Bulk	Active	P	P 18 x 11	3C95	0.724" (18.40mm)	4 µH	±25%	Ungapped	1900.0	-	0.597	25.8	43.3	36.0	1120.0	Uncoated	0.417" (10.60mm)	-	-
E38/8/25-3C92-A630-E FERRITE CORE E 3C92 Ferroxcube	2,536	-	RFQ	Datasheet	-	Bulk	Active	E	E 38 x 8 x 25	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.325" (8.26mm)	1.500" (38.10mm)	1.000" (25.40mm)
E38/8/25-3C92-A630-P FERRITE CORE E 3C92 Ferroxcube	3,619	-	RFQ	Datasheet	-	Bulk	Active	E	E 38 x 8 x 25	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.325" (8.26mm)	1.500" (38.10mm)	1.000" (25.40mm)
ER48/21/21-3C94-G1000 FERRITE CORE ER 3C94 Ferroxcube	1,490	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 48 x 21 x 21	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.835" (21.20mm)	1.890" (48.00mm)	0.827" (21.00mm)
ER48/21/21-3C94-G500 FERRITE CORE ER 3C94 Ferroxcube	3,593	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 48 x 21 x 21	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.835" (21.20mm)	1.890" (48.00mm)	0.827" (21.00mm)
RM4-3H3-A100 Ferrite Misc Ferroxcube	4,596	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3H3	-	100 nH	±3%	Gapped	154.0	-	1.94	21.3	11.0	8.1	230.0	Uncoated	0.205" (5.20mm)	0.433" (11.00mm)	0.181" (4.60mm)
RM4-3H3-A63 Ferrite Misc Ferroxcube	2,694	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3H3	-	63 nH	±3%	Gapped	97.0	-	1.94	21.3	11.0	8.1	230.0	Uncoated	0.205" (5.20mm)	0.433" (11.00mm)	0.181" (4.60mm)
RM4-3H3-A160 Ferrite Misc Ferroxcube	2,681	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 4	3H3	-	160 nH	±3%	Gapped	247.0	-	1.94	21.3	11.0	8.1	230.0	Uncoated	0.205" (5.20mm)	0.433" (11.00mm)	0.181" (4.60mm)
UR42/21/12-3C90 FERRITE CORE UR 3C90 Ferroxcube	4,571	-	RFQ	Datasheet	-	Bulk	Active	UR	UR 42 x 21 x 12	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.811" (20.60mm)	1.646" (41.80mm)	0.469" (11.90mm)
RM8-3H3 Ferrite Misc Ferroxcube	4,889	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3H3	-	2.85 µH	±25%	Ungapped	1550.0	-	0.683	35.5	52.0	39.5	1850.0	Uncoated	0.323" (8.20mm)	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.