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
0077894A7HT32 KOOL MU 060 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	3,878	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	206 nH	±8%	Ungapped	-	60	-	63.5	180.0	-	11400.0	Uncoated	1.210" (30.73mm)	-	-
FP46410EC E-CORE WITH FLAT BACK Magnetics, a division of Spang & Co.	3,460	-	RFQ	Datasheet	-	Bulk	Active	Planar E	-	P	-	15.599 µH	-	Ungapped	-	2500	-	80.2	516.0	516.0	41400.0	Uncoated	0.402" (10.20mm)	2.520" (64.00mm)	2.000" (50.80mm)
0077936A7HT32 KOOL MU 040 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	4,666	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	138 nH	±8%	Ungapped	-	40	-	63.5	180.0	-	11400.0	Uncoated	1.210" (30.73mm)	-	-
PW42120UG EP CORE Magnetics, a division of Spang & Co.	3,951	-	RFQ	Datasheet	-	Bulk	Active	EP	-	W	-	19.286 µH	-	Ungapped	-	10000	-	41.1	78.7	60.8	3230.0	Uncoated	0.843" (21.40mm)	0.945" (24.00mm)	0.591" (15.00mm)
0P43230A100 GAPPED PQ CORE Magnetics, a division of Spang & Co.	4,483	-	RFQ	Datasheet	-	Bulk	Active	PQ	-	P	-	100 nH	-	Ungapped	-	2500	-	74.7	167.0	-	12500.0	Uncoated	1.193" (30.30mm)	1.299" (33.00mm)	0.866" (22.00mm)
0077071A7HT22 KOOL MU 060 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	2,653	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	122 nH	±8%	Ungapped	-	60	-	81.4	131.2	-	10700.0	Uncoated	0.839" (21.30mm)	-	-
0077548A7HT22 KOOL MU 125 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	4,227	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	254 nH	±8%	Ungapped	-	125	-	81.4	131.2	-	10700.0	Uncoated	0.839" (21.30mm)	-	-
00K5527U026 KOOL MU 5527 U CORE Magnetics, a division of Spang & Co.	4,179	-	RFQ	Datasheet	-	Bulk	Active	U	-	Kool Mu	-	67 nH	±8%	Ungapped	-	26	-	168.0	172.0	-	28900.0	Uncoated	1.085" (27.56mm)	2.160" (54.86mm)	0.657" (16.70mm)
0076326A7 KOOL MU HF 026 PERM BLACK 324 SI Magnetics, a division of Spang & Co.	3,214	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu HF	1.410" (35.81mm)	24 nH	±8%	Ungapped	-	26	-	89.8	67.8	-	6090.0	Uncoated	0.412" (10.46mm)	-	-
0P45418EC EER CORE Magnetics, a division of Spang & Co.	2,533	-	RFQ	Datasheet	-	Bulk	Active	EER	-	P	-	6.5 µH	-	Ungapped	-	2500	-	91.8	250.0	240.0	23000.0	Uncoated	0.720" (18.30mm)	2.106" (53.50mm)	0.707" (17.95mm)

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.