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
00K4020E040 KOOL MU 4020 E CORE Magnetics, a division of Spang & Co.	4,289	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	108 nH	±8%	Ungapped	-	40	-	98.4	183.0	-	18000.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.608" (15.44mm)
00K4020E026 KOOL MU 4020 E CORE Magnetics, a division of Spang & Co.	4,442	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	80 nH	±8%	Ungapped	-	26	-	98.4	183.0	-	18000.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.608" (15.44mm)
0P40704A160 GAPPED POT CORE Magnetics, a division of Spang & Co.	4,345	-	RFQ	Datasheet	-	Bulk	Active	P	-	P	0.285" (7.24mm)	160 nH	-	Ungapped	-	2500	-	9.9	7.0	-	69.0	Uncoated	0.164" (4.17mm)	-	-
00K4020E090 KOOL MU 4020 E CORE Magnetics, a division of Spang & Co.	3,397	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	217 nH	±8%	Ungapped	-	90	-	98.4	183.0	-	18000.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.608" (15.44mm)
LPK4225E060L158 KOOL MU 060 PERM LP 4225 SIZE Magnetics, a division of Spang & Co.	3,361	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mu	-	184 nH	-	Ungapped	-	60	-	90.1	206.0	-	18560.0	Uncoated	0.622" (15.80mm)	1.654" (42.00mm)	0.984" (25.00mm)
0V42616UG POT CORE Magnetics, a division of Spang & Co.	4,208	-	RFQ	Datasheet	-	Bulk	Active	P	-	V	1.004" (25.50mm)	6 µH	±25%	Ungapped	-	2300	-	37.6	93.9	77.4	3530.0	Uncoated	0.317" (8.05mm)	-	-
0P44821EC EER CORE Magnetics, a division of Spang & Co.	3,025	-	RFQ	Datasheet	-	Bulk	Active	EER	-	P	-	7.059 µH	-	Ungapped	-	2500	-	100.0	255.0	248.0	25500.0	Uncoated	0.835" (21.20mm)	1.890" (48.00mm)	0.827" (21.00mm)
0055029AY MPP 147 PERM AY 030 SIZE Magnetics, a division of Spang & Co.	2,175	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.310" (7.87mm)	62 nH	±8%	Ungapped	-	147	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0P45530EC E-CORE Magnetics, a division of Spang & Co.	2,307	-	RFQ	Datasheet	-	Bulk	Active	E	-	P	-	8.173 µH	-	Ungapped	-	2500	-	123.0	420.0	411.0	52000.0	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.969" (24.61mm)
0W42616UG POT CORE Magnetics, a division of Spang & Co.	4,262	-	RFQ	Datasheet	-	Bulk	Active	P	-	W	1.004" (25.50mm)	20 µH	-	Ungapped	-	10000	-	37.6	93.9	77.4	3530.0	Uncoated	0.317" (8.05mm)	-	-

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.