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
0077141A7 KOOL MU 060 PERM BLACK 140 SIZE Magnetics, a division of Spang & Co.	2,056	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.140" (3.56mm)	13 nH	±15%	Ungapped	-	60	-	8.06	1.3	-	10.5	Uncoated	0.060" (1.52mm)	-	-
C055048A2 MPP 160 PERM GREY 050 SIZE Magnetics, a division of Spang & Co.	4,006	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.530" (13.45mm)	72 nH	±8%	Ungapped	-	160	-	31.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-
C055044A2 MPP 173 PERM GREY 050 SIZE Magnetics, a division of Spang & Co.	4,865	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.530" (13.45mm)	79 nH	±8%	Ungapped	-	173	-	31.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-
0077444A7 KOOL MU 090 PERM BLACK 140 SIZE Magnetics, a division of Spang & Co.	3,307	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.140" (3.56mm)	19 nH	±15%	Ungapped	-	90	-	8.06	1.3	-	10.5	Uncoated	0.060" (1.52mm)	-	-
C058240A2 HIGH FLUX 125 PERM KHAKI 240 SIZ Magnetics, a division of Spang & Co.	4,940	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.285" (7.24mm)	54 nH	±8%	Ungapped	-	125	-	13.6	4.76	-	64.9	Coated	0.125" (3.18mm)	-	-
0R42614UG PQ CORE Magnetics, a division of Spang & Co.	2,066	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	R	-	5.613 µH	-	Ungapped	-	2300	-	33.3	86.4	70.9	2880.0	Uncoated	0.117" (2.97mm)	1.071" (27.20mm)	0.748" (19.00mm)
0R42521EC ER CORE Magnetics, a division of Spang & Co.	1,403	-	RFQ	Datasheet	-	Bulk	Active	ER	-	R	-	5.44 µH	-	Ungapped	-	2300	-	41.4	100.0	95.0	4145.0	Uncoated	0.315" (8.00mm)	0.984" (25.00mm)	0.709" (18.00mm)
EQK3222E040L180 KOOL MU 040 PERM EQ 3222 SIZE Magnetics, a division of Spang & Co.	3,816	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ZM42212TC TOROID EPOXY COATED Magnetics, a division of Spang & Co.	1,870	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	M	0.908" (23.07mm)	17.313 µH	±30%	Ungapped	-	15000	-	54.1	52.3	-	2834.0	Epoxy	0.530" (13.46mm)	-	-
0P44308EC E-SHAPE CORE Magnetics, a division of Spang & Co.	4,903	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	P	-	9.15 µH	-	Ungapped	-	2500	-	57.5	227.0	227.0	13100.0	Uncoated	0.335" (8.50mm)	1.701" (43.20mm)	1.098" (27.90mm)

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.