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
HP41408UG DOUBLE SLAB CP W/HOLE Magnetics, a division of Spang & Co.	2,579	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	P	-	1.667 µH	-	Ungapped	-	2500	-	20.6	21.0	19.2	433.0	Uncoated	0.334" (8.48mm)	0.551" (14.00mm)	0.370" (9.40mm)
0R44444EC ETD CORE Magnetics, a division of Spang & Co.	1,735	-	RFQ	Datasheet	-	Bulk	Active	ETD	-	R	-	3.667 µH	-	Ungapped	-	2300	-	103.0	173.0	172.0	17800.0	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
NJ41510UG RM DESIGN POT CORE Magnetics, a division of Spang & Co.	3,938	-	RFQ	Datasheet	-	Bulk	Active	RM	-	J	-	4.133 µH	-	Ungapped	-	5000	-	23.2	24.8	18.1	574.0	Uncoated	0.205" (5.20mm)	0.575" (14.60mm)	0.268" (6.80mm)
0J44317EC E-SHAPE CORE Magnetics, a division of Spang & Co.	3,528	-	RFQ	Datasheet	-	Bulk	Active	E	-	J	-	9.8 µH	-	Ungapped	-	5000	-	77.0	149.0	142.0	11500.0	Uncoated	0.654" (16.60mm)	1.598" (40.60mm)	0.488" (12.40mm)
ZR42908TC TOROID GREY COATED Magnetics, a division of Spang & Co.	2,278	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	1.177" (29.90mm)	1.45 µH	±25%	Ungapped	-	2300	-	73.2	36.0	-	2632.0	Epoxy	0.317" (8.05mm)	-	-
0P42213UG POT CORE Magnetics, a division of Spang & Co.	3,805	-	RFQ	Datasheet	-	Bulk	Active	P	-	P	0.866" (22.00mm)	4.4 µH	-	Ungapped	-	2500	-	31.5	63.4	50.9	2000.0	Uncoated	0.264" (6.70mm)	-	-
0P43521EC EER CORE Magnetics, a division of Spang & Co.	3,192	-	RFQ	Datasheet	-	Bulk	Active	EER	-	P	-	2.96 µH	-	Ungapped	-	2500	-	90.8	107.0	100.0	9710.0	Uncoated	0.815" (20.70mm)	1.378" (35.00mm)	0.449" (11.40mm)
EQK2619E040L088 KOOL MU 040 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	1,673	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	122 nH	-	Ungapped	-	40	-	49.5	-	-	5834.0	Uncoated	0.748" (19.00mm)	1.043" (26.50mm)	-
EQK2619E026L088 KOOL MU 026 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	3,241	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	95 nH	-	Ungapped	-	26	-	49.5	120.0	-	5734.0	Uncoated	0.346" (8.79mm)	1.043" (26.50mm)	0.748" (19.00mm)
ZW42106TC TOROID GREY COATED Magnetics, a division of Spang & Co.	2,190	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.848" (21.54mm)	5.6 µH	±30%	Ungapped	-	10000	-	50.32	24.6	-	1238.0	Epoxy	0.276" (7.00mm)	-	-

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.