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
00K7020B026 KOOL MU 7020 BLOCK Magnetics, a division of Spang & Co.	2,553	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	26	-	-	-	-	28600.0	Uncoated	0.799" (20.30mm)	2.776" (70.50mm)	0.787" (20.00mm)
00K7020B060 KOOL MU 7020 BLOCK Magnetics, a division of Spang & Co.	4,307	-	RFQ	Datasheet	-	Bulk	Active	I	-	Kool Mu	-	-	-	Ungapped	-	60	-	-	-	-	28600.0	Uncoated	0.799" (20.30mm)	2.776" (70.50mm)	0.787" (20.00mm)
0W43019UG POT CORE Magnetics, a division of Spang & Co.	3,775	-	RFQ	Datasheet	-	Bulk	Active	P	-	W	1.181" (30.00mm)	25 µH	-	Ungapped	-	10000	-	45.2	137.0	116.0	6190.0	Uncoated	0.372" (9.45mm)	-	-
C055405A2 MPP 300 PERM GREY 410 SIZE Magnetics, a division of Spang & Co.	2,597	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.295" (7.49mm)	166 nH	±8%	Ungapped	-	300	-	16.5	7.25	-	120.0	Coated	0.225" (5.72mm)	-	-
C058848A2HT14 HIGH FLUX 060 PERM KHAKI 206 SIZ Magnetics, a division of Spang & Co.	4,660	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.830" (21.08mm)	64 nH	±8%	Ungapped	-	60	-	50.9	44.2	-	2250.0	Coated	0.551" (14.00mm)	-	-
0055180AY MPP 125 PERM AY 180 SIZE Magnetics, a division of Spang & Co.	2,508	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.183" (4.65mm)	42 nH	±8%	Ungapped	-	125	-	10.6	2.85	-	30.3	Uncoated	0.100" (2.54mm)	-	-
0077720A7 KOOL MU 075 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	2,787	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	91 nH	±8%	Ungapped	-	75	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077721A7 KOOL MU 040 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	3,049	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	49 nH	±8%	Ungapped	-	40	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077717A7 KOOL MU 026 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	1,886	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	32 nH	±8%	Ungapped	-	26	-	127.0	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-
0077718A7 KOOL MU 014 PERM BLACK 715 SIZE Magnetics, a division of Spang & Co.	3,280	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	2.000" (50.80mm)	17 nH	±8%	Ungapped	-	14	-	127.3	125.0	-	15900.0	Uncoated	0.530" (13.46mm)	-	-

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.