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
0R42313EC ER CORE Magnetics, a division of Spang & Co.	3,721	-	RFQ	Datasheet	-	Bulk	Active	ER	-	R	-	3.8 µH	-	Ungapped	-	2300	-	26.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
0R44949EC ETD CORE Magnetics, a division of Spang & Co.	3,909	-	RFQ	Datasheet	-	Bulk	Active	ETD	-	R	-	4.093 µH	-	Ungapped	-	2300	-	114.0	211.0	209.0	24000.0	Uncoated	0.972" (24.70mm)	1.961" (49.80mm)	0.657" (16.70mm)
0P42020G020 GAPPED PQ CORE Magnetics, a division of Spang & Co.	3,383	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	P	-	-	-	Ungapped	-	2500	-	45.7	62.6	-	2850.0	Uncoated	0.795" (20.20mm)	0.839" (21.30mm)	0.551" (14.00mm)
0T41408UG POT CORE Magnetics, a division of Spang & Co.	4,188	-	RFQ	Datasheet	-	Bulk	Active	P	-	T	0.563" (14.30mm)	2.8 µH	±25%	Ungapped	-	3000	-	19.8	25.1	19.8	495.0	Uncoated	0.164" (4.17mm)	-	-
0P42521EC ER CORE Magnetics, a division of Spang & Co.	4,157	-	RFQ	Datasheet	-	Bulk	Active	ER	-	P	-	5.801 µH	-	Ungapped	-	2500	-	41.4	100.0	95.0	4145.0	Uncoated	0.315" (8.00mm)	0.984" (25.00mm)	0.709" (18.00mm)
C055239A2 MPP 147 PERM GREY 240 SIZE Magnetics, a division of Spang & Co.	2,313	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.285" (7.24mm)	64 nH	±8%	Ungapped	-	147	-	13.6	4.76	-	64.9	Coated	0.125" (3.18mm)	-	-
C055238A2 MPP 160 PERM GREY 240 SIZE Magnetics, a division of Spang & Co.	2,092	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.285" (7.24mm)	69 nH	±8%	Ungapped	-	160	-	13.6	4.76	-	64.9	Coated	0.125" (3.18mm)	-	-
ERX4013E060L174 X FLUX 060 PERM EER 4013 SIZE Magnetics, a division of Spang & Co.	2,524	-	RFQ	Datasheet	-	Bulk	Active	EER	-	XFlux	-	135 nH	±8%	Ungapped	-	60	-	91.3	149.1	-	13600.0	Uncoated	0.685" (17.40mm)	1.575" (40.00mm)	0.524" (13.30mm)
NF41812UG R-RM DESIGN SCP Magnetics, a division of Spang & Co.	4,372	-	RFQ	Datasheet	-	Bulk	Active	RM	-	F	-	3.08 µH	±25%	Ungapped	-	3000	-	27.5	38.0	31.2	1040.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.275" (7.00mm)
0L42016UG PQ CORE Magnetics, a division of Spang & Co.	2,507	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	L	-	1.65 µH	±25%	Ungapped	-	900	-	37.6	61.9	59.1	2330.0	Uncoated	0.319" (8.10mm)	0.839" (21.30mm)	0.551" (14.00mm)

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.

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.