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
0077553A7HT15 KOOL MU 075 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	2,223	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	99 nH	±8%	Ungapped	-	75	-	81.4	83.3	-	6960.0	Uncoated	0.547" (13.90mm)	-	-
C055119A2 MPP 147 PERM GREY 120 SIZE Magnetics, a division of Spang & Co.	1,706	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.680" (17.27mm)	88 nH	±8%	Ungapped	-	147	-	41.2	19.2	-	791.0	Coated	0.280" (7.11mm)	-	-
0058032A2 HIGH FLUX 026 PERM KHAKI 030 SIZ Magnetics, a division of Spang & Co.	3,293	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.310" (7.87mm)	11 nH	±8%	Ungapped	-	26	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
C055118A2 MPP 160 PERM GREY 120 SIZE Magnetics, a division of Spang & Co.	2,348	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.680" (17.27mm)	92 nH	±8%	Ungapped	-	160	-	41.2	19.2	-	791.0	Coated	0.280" (7.11mm)	-	-
C055114A2 MPP 173 PERM GREY 120 SIZE Magnetics, a division of Spang & Co.	4,861	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.680" (17.27mm)	104 nH	±8%	Ungapped	-	173	-	41.2	19.2	-	791.0	Coated	0.280" (7.11mm)	-	-
0077140AY KOOL MU 125 PERM AY 140 SIZE Magnetics, a division of Spang & Co.	4,022	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.140" (3.56mm)	26 nH	±15%	Ungapped	-	125	-	8.06	1.3	-	10.5	Uncoated	0.060" (1.52mm)	-	-
0077120AY KOOL MU 125 PERM AY 120 SIZE Magnetics, a division of Spang & Co.	2,911	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.653" (16.59mm)	72 nH	±8%	Ungapped	-	125	-	41.2	19.2	-	791.0	Uncoated	0.250" (6.35mm)	-	-
0058033A2 HIGH FLUX 014 PERM KHAKI 030 SIZ Magnetics, a division of Spang & Co.	1,487	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.310" (7.87mm)	6 nH	±8%	Ungapped	-	14	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
HF42616UG DOUBLE SLAB CP W/HOLE Magnetics, a division of Spang & Co.	3,011	-	RFQ	Datasheet	-	Bulk	Active	ER	-	F	-	4.6 µH	±25%	Ungapped	-	3000	-	39.0	72.1	62.7	2810.0	Uncoated	0.317" (8.05mm)	1.004" (25.50mm)	0.673" (17.09mm)
RP42316A400 GAPPED RM CORE Magnetics, a division of Spang & Co.	1,769	-	RFQ	Datasheet	-	Bulk	Active	RM	-	P	-	400 nH	-	Ungapped	-	2500	-	35.5	52.0	-	1850.0	Uncoated	0.646" (16.40mm)	0.913" (23.20mm)	0.425" (10.80mm)

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.