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
C055034A2 MPP 173 PERM GREY 040 SIZE Magnetics, a division of Spang & Co.	3,354	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.425" (10.80mm)	92 nH	±8%	Ungapped	-	173	-	23.0	9.57	-	220.0	Coated	0.181" (4.60mm)	-	-
EQX2619E040L101 X FLUX 040 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	3,993	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	XFlux	-	127 nH	-	Ungapped	-	40	-	54.7	120.0	-	6550.0	Uncoated	0.398" (10.10mm)	1.043" (26.50mm)	0.748" (19.00mm)
NP41812UG R-RM DESIGN SCP Magnetics, a division of Spang & Co.	4,903	-	RFQ	Datasheet	-	Bulk	Active	RM	-	P	-	2.6 µH	-	Ungapped	-	2500	-	27.5	38.0	31.2	1040.0	Uncoated	0.244" (6.20mm)	0.701" (17.90mm)	0.275" (7.00mm)
0R44216EC E-CORE Magnetics, a division of Spang & Co.	3,538	-	RFQ	Datasheet	-	Bulk	Active	EER	-	R	-	3.84 µH	-	Ungapped	-	2300	-	98.7	175.0	166.0	17300.0	Uncoated	0.850" (21.59mm)	1.657" (42.10mm)	0.579" (14.70mm)
0J44020EC E-SHAPE CORE Magnetics, a division of Spang & Co.	1,982	-	RFQ	Datasheet	-	Bulk	Active	E	-	J	-	9.7 µH	-	Ungapped	-	5000	-	97.0	178.0	175.0	17300.0	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.598" (15.20mm)
PF41717UG EP CORE Magnetics, a division of Spang & Co.	2,294	-	RFQ	Datasheet	-	Bulk	Active	EP	-	F	-	3.1 µH	±25%	Ungapped	-	3000	-	29.5	33.7	96.0	999.0	Uncoated	0.661" (16.80mm)	0.709" (18.00mm)	0.433" (11.00mm)
HF42311UG DOUBLE SLAB CP W/HOLE Magnetics, a division of Spang & Co.	4,527	-	RFQ	Datasheet	-	Bulk	Active	ER	-	F	-	4.17 µH	±25%	Ungapped	-	3000	-	27.0	48.2	37.8	1300.0	Uncoated	0.218" (5.54mm)	0.900" (22.86mm)	0.600" (15.25mm)
0J41408UG POT CORE Magnetics, a division of Spang & Co.	2,753	-	RFQ	Datasheet	-	Bulk	Active	P	-	J	0.563" (14.30mm)	5.073 µH	-	Ungapped	-	5000	-	19.8	25.1	19.8	495.0	Uncoated	0.164" (4.17mm)	-	-
EQX2619E026L101 X FLUX 026 PERM EQ 2619 SIZE Magnetics, a division of Spang & Co.	3,184	-	RFQ	Datasheet	-	Bulk	Active	EQ	-	XFlux	-	86 nH	-	Ungapped	-	26	-	54.7	120.0	-	6550.0	Uncoated	0.398" (10.10mm)	1.043" (26.50mm)	0.748" (19.00mm)
0077355A7 KOOL MU 075 PERM BLACK 350 SIZE Magnetics, a division of Spang & Co.	2,663	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.928" (23.57mm)	62 nH	±8%	Ungapped	-	75	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-

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.