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
00X4020E060 X FLUX 4020 E-CORE Magnetics, a division of Spang & Co.	3,253	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	150 nH	±8%	Ungapped	-	60	-	98.4	183.0	-	18000.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.608" (15.44mm)
00X4022E040 X FLUX 4022 E CORE Magnetics, a division of Spang & Co.	3,385	-	RFQ	Datasheet	-	Bulk	Active	E	-	XFlux	-	140 nH	±8%	Ungapped	-	40	-	98.4	237.0	-	23300.0	Uncoated	0.830" (21.08mm)	1.687" (42.85mm)	0.787" (20.00mm)
0055037AY MPP 200 PERM AY 040 SIZE Magnetics, a division of Spang & Co.	1,955	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.400" (10.15mm)	105 nH	±8%	Ungapped	-	200	-	23.0	9.57	-	220.0	Uncoated	0.156" (3.96mm)	-	-
0R43019UG POT CORE Magnetics, a division of Spang & Co.	4,733	-	RFQ	Datasheet	-	Bulk	Active	P	-	R	1.181" (30.00mm)	6.68 µH	-	Ungapped	-	2300	-	45.2	137.0	116.0	6190.0	Uncoated	0.372" (9.45mm)	-	-
0055241AY MPP 060 PERM AY 240 SIZE Magnetics, a division of Spang & Co.	4,800	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.260" (6.60mm)	26 nH	±8%	Ungapped	-	60	-	13.6	4.76	-	64.9	Uncoated	0.100" (2.54mm)	-	-
EQK5032E040L250 KOOL MU 040 PERM EQ 5032 SIZE Magnetics, a division of Spang & Co.	3,750	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mµ	-	136 nH	±8%	Ungapped	-	40	-	133.0	314.0	-	41900.0	Uncoated	0.984" (25.00mm)	1.969" (50.00mm)	1.260" (32.00mm)
EQK5032E026L250 KOOL MU 026 PERM EQ 5032 SIZE Magnetics, a division of Spang & Co.	1,777	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mµ	-	92 nH	±8%	Ungapped	-	26	-	133.0	314.0	-	41900.0	Uncoated	0.984" (25.00mm)	1.969" (50.00mm)	1.260" (32.00mm)
EQK5032E060L250 KOOL MU 060 PERM EQ 5032 SIZE Magnetics, a division of Spang & Co.	4,637	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	Kool Mµ	-	190 nH	±8%	Ungapped	-	60	-	133.0	314.0	-	41900.0	Uncoated	0.984" (25.00mm)	1.969" (50.00mm)	1.260" (32.00mm)
0055027AY MPP 200 PERM AY 030 SIZE Magnetics, a division of Spang & Co.	3,194	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.310" (7.87mm)	83 nH	±8%	Ungapped	-	200	-	17.9	5.99	-	107.0	Uncoated	0.125" (3.18mm)	-	-
0R45528EC E-CORE Magnetics, a division of Spang & Co.	1,199	-	RFQ	Datasheet	-	Bulk	Active	E	-	R	-	6.293 µH	-	Ungapped	-	2300	-	124.0	353.0	345.0	44000.0	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.827" (21.00mm)

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.

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