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
0J41107UG POT CORE Magnetics, a division of Spang & Co.	2,812	-	RFQ	Datasheet	-	Bulk	Active	P	-	J	0.437" (11.10mm)	3.9 µH	-	Ungapped	-	5000	-	15.5	16.2	13.2	251.0	Uncoated	0.128" (3.25mm)	-	-
C055020A2 MPP 125 PERM GREY 020 SIZE Magnetics, a division of Spang & Co.	3,111	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.275" (6.99mm)	50 nH	±8%	Ungapped	-	125	-	13.6	4.7	-	64.0	Coated	0.135" (3.43mm)	-	-
HR42311UG DOUBLE SLAB CP W/HOLE Magnetics, a division of Spang & Co.	2,119	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	R	-	3.2 µH	-	Ungapped	-	2300	-	27.0	48.2	37.8	1300.0	Uncoated	0.436" (11.08mm)	0.900" (22.86mm)	0.600" (15.25mm)
ZP42212TC TOROID GREY COATED Magnetics, a division of Spang & Co.	4,263	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	0.900" (22.86mm)	3.02 µH	±25%	Ungapped	-	2500	-	54.1	51.9	-	2811.0	Epoxy	0.525" (13.34mm)	-	-
0077936A7 KOOL MU 040 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	1,958	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	50 nH	±8%	Ungapped	-	40	-	63.5	65.4	-	4150.0	Uncoated	0.440" (11.18mm)	-	-
C055018A2 MPP 160 PERM GREY 020 SIZE Magnetics, a division of Spang & Co.	4,000	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.275" (6.99mm)	64 nH	±8%	Ungapped	-	160	-	13.6	4.7	-	64.0	Coated	0.135" (3.43mm)	-	-
C055284A2 MPP 173 PERM GREY 290 SIZE Magnetics, a division of Spang & Co.	1,128	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.405" (10.29mm)	92 nH	±8%	Ungapped	-	173	-	21.8	9.45	-	206.0	Coated	0.181" (4.60mm)	-	-
C055127A2 MPP 200 PERM GREY 130 SIZE Magnetics, a division of Spang & Co.	4,641	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.465" (11.81mm)	85 nH	±8%	Ungapped	-	200	-	26.9	9.06	-	244.0	Coated	0.181" (4.60mm)	-	-
0077120A7HT14 KOOL MU 125 PERM BLACK 120 SIZE Magnetics, a division of Spang & Co.	4,148	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.650" (16.51mm)	144 nH	±8%	Ungapped	-	125	-	41.2	38.4	-	1580.0	Uncoated	0.520" (13.21mm)	-	-
0077121A7HT14 KOOL MU 060 PERM BLACK 120 SIZE Magnetics, a division of Spang & Co.	4,001	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.650" (16.51mm)	35 nH	±8%	Ungapped	-	60	-	41.2	38.4	-	1580.0	Uncoated	0.520" (13.21mm)	-	-

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.