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
NT42819UG RM DESIGN SCP Magnetics, a division of Spang & Co.	3,519	-	RFQ	Datasheet	-	Bulk	Active	RM	-	T	-	5.5 µH	±25%	Ungapped	-	3000	-	44.6	96.6	89.1	4310.0	Uncoated	0.366" (9.30mm)	1.122" (28.50mm)	0.531" (13.50mm)
HP42318UG DOUBLE SLAB CP W/HOLE Magnetics, a division of Spang & Co.	1,255	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	P	-	2.82 µH	-	Ungapped	-	2500	-	40.1	53.4	40.7	2130.0	Uncoated	0.709" (18.00mm)	0.900" (22.86mm)	0.600" (15.25mm)
0P43021IC IC CORE Magnetics, a division of Spang & Co.	2,715	-	RFQ	Datasheet	-	Bulk	Active	ER	-	P	-	7.784 µH	-	Ungapped	-	2500	-	36.2	108.0	95.0	3910.0	Uncoated	0.106" (2.70mm)	1.181" (30.00mm)	0.787" (20.00mm)
0P42313EC ER CORE Magnetics, a division of Spang & Co.	4,814	-	RFQ	Datasheet	-	Bulk	Active	ER	-	P	-	4.03 µH	-	Ungapped	-	2500	-	26.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
0R43021IC IC CORE Magnetics, a division of Spang & Co.	2,922	-	RFQ	Datasheet	-	Bulk	Active	ER	-	R	-	6.55 µH	-	Ungapped	-	2300	-	31.5	108.0	95.0	3910.0	Uncoated	0.106" (2.70mm)	1.181" (30.00mm)	0.787" (20.00mm)
ZP42915TC TOROID GREY COATED Magnetics, a division of Spang & Co.	3,171	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.187" (30.15mm)	3.222 µH	±25%	Ungapped	-	2500	-	73.2	74.9	-	5481.0	Epoxy	0.638" (16.20mm)	-	-
DP42318UG DOUBLE SLAB SCP Magnetics, a division of Spang & Co.	2,089	-	RFQ	Datasheet	-	Bulk	Active	DS	-	P	-	3.16 µH	-	Ungapped	-	2500	-	39.9	58.0	40.7	2310.0	Uncoated	0.354" (9.00mm)	0.900" (22.86mm)	0.600" (15.25mm)
0L41826EC ER CORE Magnetics, a division of Spang & Co.	3,933	-	RFQ	Datasheet	-	Bulk	Active	ER	-	L	-	1.1 µH	±25%	Ungapped	-	900	-	22.1	30.2	30.1	667.0	Uncoated	0.124" (3.15mm)	0.709" (18.00mm)	0.382" (9.70mm)
0077445A7 KOOL MU 075 PERM BLACK 140 SIZE Magnetics, a division of Spang & Co.	4,578	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.140" (3.56mm)	16 nH	±15%	Ungapped	-	75	-	8.06	1.3	-	10.5	Uncoated	0.060" (1.52mm)	-	-
C055049A2 MPP 147 PERM GREY 050 SIZE Magnetics, a division of Spang & Co.	1,758	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.530" (13.45mm)	67 nH	±8%	Ungapped	-	147	-	31.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-

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.