Ferrite Cores

Browse available Ferrite Cores components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

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
ETD44/22/15-3C90-G2100 FERRITE CORE ETD 3C90 Ferroxcube	1,423	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
B66361G1400X197 ETD34/17/11 N97 GAP 1.40+ EPCOS - TDK Electronics	3,736	-	RFQ	Datasheet	-	Tray	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P14/8-3C90 FERRITE CORE P 2.3UH 3C90 2PC Ferroxcube	1,412	-	RFQ	Datasheet	-	Bulk	Active	P	P 14 x 8	3C90	0.553" (14.05mm)	2.3 µH	±25%	Ungapped	1440.0	-	0.789	19.8	25.1	19.8	495.0	Uncoated	0.165" (4.20mm)	-	-
ER23/3.6/13-3F4-S Ferrite Misc Ferroxcube	2,852	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 23 x 3.6 x 13	3F4	-	1.85 µH	±25%	Ungapped	840.0	-	0.53	25.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
ETD44/22/15-3C96-G500 Ferrite Misc Ferroxcube	1,026	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C96	-	500 nH	-	Gapped	-	-	0.589	103.0	173.0	172.0	17800.0	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
ETD44/22/15-3C96-G100 Ferrite Misc Ferroxcube	3,571	-	RFQ	Datasheet	-	Bulk	Active	ETD	ETD 44 x 22 x 15	3C96	-	100 nH	-	Gapped	-	-	0.589	103.0	173.0	172.0	17800.0	Uncoated	0.878" (22.30mm)	1.772" (45.00mm)	0.598" (15.20mm)
ER23/3.6/13-3C96-S FERRITE CORE ER 3C96 Ferroxcube	1,781	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 23 x 3.6 x 13	3C96	-	-	±25%	Ungapped	1180.0	-	0.53	26.6	50.2	50.0	1340.0	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
5943001021 FERRITE CORE TOROID 510NH 43 Fair-Rite Products Corp.	1,190	-	RFQ	Datasheet	-	Box	Active	Toroid	-	43	1.187" (30.15mm)	510 nH	-25%, +20%	Ungapped	-	800	1.98	73.0	37.0	-	2700.0	Plastic	0.325" (8.26mm)	-	-
PLT38/25/3.8-3C90 FERRITE CORE PLT 3C90 Ferroxcube	3,607	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 38 x 25 x 3.8	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)
PLT38/25/3.8-3C94 Ferrite Misc Ferroxcube	1,467	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 38 x 25 x 3.8	3C94	-	-	-	Ungapped	-	-	0.226	43.7	194.0	194.0	8460.0	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)
0077935A7HT15 KOOL MU 075 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	3,513	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	118 nH	±8%	Ungapped	-	75	-	63.5	82.1	-	5210.0	Uncoated	0.551" (14.00mm)	-	-
0077548A7HT08 KOOL MU 125 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	4,165	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	86 nH	±8%	Ungapped	-	125	-	81.4	44.5	-	3620.0	Uncoated	0.285" (7.24mm)	-	-
FP44310IC I-CORE - FLAT BACKS Magnetics, a division of Spang & Co.	1,285	-	RFQ	Datasheet	-	Bulk	Active	Planar E/I	-	P	-	10.13 µH	-	Ungapped	-	2500	-	50.4	229.0	229.0	11500.0	Uncoated	0.161" (4.10mm)	1.701" (43.20mm)	1.098" (27.90mm)
0077590A7 KOOL MU 075 PERM BLACK 585 SIZE Magnetics, a division of Spang & Co.	4,933	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.350" (34.29mm)	47 nH	±8%	Ungapped	-	75	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
0077591A7 KOOL MU 040 PERM BLACK 585 SIZE Magnetics, a division of Spang & Co.	3,808	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.350" (34.29mm)	25 nH	±8%	Ungapped	-	40	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
0077587A7 KOOL MU 026 PERM BLACK 585 SIZE Magnetics, a division of Spang & Co.	3,243	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.350" (34.29mm)	16 nH	±8%	Ungapped	-	26	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
0V42213UG POT CORE Magnetics, a division of Spang & Co.	3,790	-	RFQ	Datasheet	-	Bulk	Active	P	-	V	0.866" (22.00mm)	4.65 µH	±25%	Ungapped	-	2300	-	31.5	63.4	50.9	2000.0	Uncoated	0.264" (6.70mm)	-	-
0077930A7HT15 KOOL MU 125 PERM BLACK 930 SIZE Magnetics, a division of Spang & Co.	4,223	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.060" (26.92mm)	197 nH	±8%	Ungapped	-	125	-	63.5	82.1	-	5210.0	Uncoated	0.551" (14.00mm)	-	-
0077589A7 KOOL MU 090 PERM BLACK 585 SIZE Magnetics, a division of Spang & Co.	4,744	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.350" (34.29mm)	57 nH	±8%	Ungapped	-	90	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-
0077585A7 KOOL MU 125 PERM BLACK 585 SIZE Magnetics, a division of Spang & Co.	2,053	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.350" (34.29mm)	79 nH	±8%	Ungapped	-	125	-	89.5	46.4	-	4150.0	Uncoated	0.350" (8.90mm)	-	-

Ferrite Cores FAQ

What Ferrite Cores components can I source from EGOO?

You can browse available Ferrite Cores product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Ferrite Cores parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.