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
00K3515E040 KOOL MU 3515 E CORE Magnetics, a division of Spang & Co.	1,312	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	75 nH	±8%	Ungapped	-	40	-	69.4	84.0	-	5830.0	Uncoated	0.557" (14.15mm)	1.360" (34.54mm)	0.368" (9.35mm)
00K3515E090 KOOL MU 3515 E CORE Magnetics, a division of Spang & Co.	763	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	146 nH	±8%	Ungapped	-	90	-	69.4	84.0	-	5830.0	Uncoated	0.557" (14.15mm)	1.360" (34.54mm)	0.368" (9.35mm)
RP42316UG R-RM DESIGN Magnetics, a division of Spang & Co.	955	-	RFQ	Datasheet	-	Bulk	Active	RM	-	P	-	2.56 µH	-	Ungapped	-	2500	-	35.5	52.0	36.9	1850.0	Uncoated	0.323" (8.20mm)	0.913" (23.20mm)	0.425" (10.80mm)
C055051A2 FERRITE CORE TOROID 27NH MPP Magnetics, a division of Spang & Co.	980	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.530" (13.45mm)	27 nH	±8%	Ungapped	-	60	-	32.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-
0079121A7 FERRITE CORE TOROID 35NH KOOL MU Magnetics, a division of Spang & Co.	1,954	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.680" (17.27mm)	35 nH	±8%	Ungapped	-	60	-	41.2	19.2	-	791.0	Coated	0.280" (7.11mm)	-	-
0079113A7 FERRITE CORE TOROID 24NH KOOL MU Magnetics, a division of Spang & Co.	1,938	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.680" (17.27mm)	24 nH	±8%	Ungapped	-	40	-	41.2	19.2	-	791.0	Coated	0.280" (7.11mm)	-	-
0076121A7 FERRITE CORE TOROID 35NH KOOL MU Magnetics, a division of Spang & Co.	1,718	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu HF	0.680" (17.27mm)	35 nH	±8%	Ungapped	-	60	-	41.2	19.2	-	791.0	Coated	0.280" (7.11mm)	-	-
FR43808EC E-CORE - FLAT BACKS Magnetics, a division of Spang & Co.	398	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	R	-	7.867 µH	-	Ungapped	-	2300	-	52.4	194.0	194.0	10200.0	Uncoated	0.325" (8.26mm)	1.500" (38.10mm)	1.000" (25.40mm)
0R42625UG FERRITE CORE PQ 4.6UH Magnetics, a division of Spang & Co.	2,399	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	-	-	4.6 µH	-	Ungapped	-	2300	-	54.3	120.0	108.0	6530.0	Uncoated	0.486" (12.35mm)	1.075" (27.30mm)	0.748" (19.00mm)
C055290A2 MPP 125 PERM GREY 290 SIZE Magnetics, a division of Spang & Co.	1,871	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.405" (10.29mm)	66 nH	±8%	Ungapped	-	125	-	21.8	9.45	-	206.0	Coated	0.181" (4.60mm)	-	-

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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