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
ZR42206TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,226	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	R	0.900" (22.86mm)	1.38 µH	±25%	Ungapped	-	2300	-	54.1	25.8	-	1395.0	Epoxy	0.272" (6.91mm)	-	-
EQK2619E060L088 KOOL MU 060 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	1,559	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mµ	-	183 nH	±8%	Ungapped	-	60	-	49.5	119.8	-	5834.0	Uncoated	0.346" (8.79mm)	1.043" (26.50mm)	0.748" (19.00mm)
EQK2619E040L101 KOOL MU 040 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	4,599	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	110 nH	-	Ungapped	-	40	-	54.7	-	-	6550.0	Uncoated	0.748" (19.00mm)	1.043" (26.50mm)	-
0077312A7 KOOL MU 026 PERM BLACK 310 SIZE Magnetics, a division of Spang & Co.	4,369	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.900" (22.86mm)	19 nH	±8%	Ungapped	-	26	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
0077316A7 KOOL MU 040 PERM BLACK 310 SIZE Magnetics, a division of Spang & Co.	3,051	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.900" (22.86mm)	29 nH	±8%	Ungapped	-	40	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
0077314A7 KOOL MU 090 PERM BLACK 310 SIZE Magnetics, a division of Spang & Co.	1,147	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.900" (22.86mm)	65 nH	±8%	Ungapped	-	90	-	56.7	31.7	-	1800.0	Uncoated	0.300" (7.60mm)	-	-
0W42507TC TOROID UNCOATED Magnetics, a division of Spang & Co.	3,585	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.998" (25.34mm)	7.825 µH	±30%	Ungapped	-	10000	-	61.5	38.4	-	2361.0	Uncoated	0.312" (7.92mm)	-	-
XW40705TC TOROID BLACK COATED Magnetics, a division of Spang & Co.	1,482	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	W	0.318" (8.08mm)	8.35 µH	±30%	Ungapped	-	10000	-	14.9	9.96	-	149.0	Coated	0.201" (5.10mm)	-	-
EQK2619E060L101 KOOL MU 060 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	3,656	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	165 nH	-	Ungapped	-	60	-	54.7	-	-	6550.0	Uncoated	0.748" (19.00mm)	1.043" (26.50mm)	-
RP41912UG SQ CORE M DESIGN Magnetics, a division of Spang & Co.	4,834	-	RFQ	Datasheet	-	Bulk	Active	RM	-	P	-	2.169 µH	-	Ungapped	-	2500	-	27.0	31.0	22.6	837.0	Uncoated	0.244" (6.20mm)	0.720" (18.30mm)	0.323" (8.20mm)

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.