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
ERX4013E040L224 X FLUX 040 PERM EER 4013 SIZE Magnetics, a division of Spang & Co.	4,284	-	RFQ	Datasheet	-	Bulk	Active	EER	-	XFlux	-	81 nH	-	Ungapped	-	40	-	111.3	149.1	-	16600.0	Uncoated	0.882" (22.40mm)	1.575" (40.00mm)	0.524" (13.30mm)
C055041A2 MPP 060 PERM GREY 040 SIZE Magnetics, a division of Spang & Co.	2,526	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.425" (10.80mm)	32 nH	±8%	Ungapped	-	60	-	23.0	9.57	-	220.0	Coated	0.181" (4.60mm)	-	-
0R45224EC E-CORE Magnetics, a division of Spang & Co.	4,936	-	RFQ	Datasheet	-	Bulk	Active	EC	-	R	-	3.867 µH	-	Ungapped	-	2300	-	105.0	180.0	141.0	18800.0	Uncoated	0.953" (24.20mm)	2.055" (52.20mm)	0.528" (13.40mm)
SW42318UG ROUND-SLAB CORE W/HOLE Magnetics, a division of Spang & Co.	4,102	-	RFQ	Datasheet	-	Bulk	Active	PS	-	W	0.902" (22.90mm)	12 µH	-	Ungapped	-	10000	-	41.6	62.2	53.6	2590.0	Uncoated	0.354" (9.00mm)	-	-
0E42213UG POT CORE Magnetics, a division of Spang & Co.	1,809	-	RFQ	Datasheet	-	Bulk	Active	P	-	E	0.866" (22.00mm)	3.9 µH	±25%	Ungapped	-	2000	-	31.5	63.4	50.9	2000.0	Uncoated	0.264" (6.70mm)	-	-
0055174AY MPP 173 PERM AY 180 SIZE Magnetics, a division of Spang & Co.	2,587	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.183" (4.65mm)	57 nH	±8%	Ungapped	-	173	-	10.6	2.85	-	30.3	Uncoated	0.100" (2.54mm)	-	-
LPK4225E060L123 KOOL MU 060 PERM LP 4225 SIZE Magnetics, a division of Spang & Co.	2,509	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	218 nH	-	Ungapped	-	60	-	76.1	206.0	-	15680.0	Uncoated	0.484" (12.30mm)	1.654" (42.00mm)	0.984" (25.00mm)
0J43615TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,784	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	J	1.417" (36.00mm)	6.736 µH	±20%	Ungapped	-	5000	-	89.6	95.9	-	8596.0	Uncoated	0.591" (15.00mm)	-	-
RW42316UG R-RM DESIGN Magnetics, a division of Spang & Co.	2,396	-	RFQ	Datasheet	-	Bulk	Active	RM	-	W	-	10.6 µH	-	Ungapped	-	10000	-	35.5	52.0	36.9	1850.0	Uncoated	0.323" (8.20mm)	0.913" (23.20mm)	0.425" (10.80mm)
0075550A7 75 SERIES 026 PERM BLACK 548 SIZ Magnetics, a division of Spang & Co.	3,625	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	75	1.291" (32.80mm)	28 nH	±8%	Ungapped	-	26	-	81.4	65.6	-	5340.0	Uncoated	0.420" (10.67mm)	-	-

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.