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
TX39/20/13-3F3 Ferrite Misc Ferroxcube	3,118	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 39 x 20 x 13	3F3	1.539" (39.10mm)	3.15 µH	±20%	Ungapped	-	-	0.76	84.9	112.0	-	9513.0	Epoxy	0.520" (13.20mm)	-	-
TX39/20/13-3E10 Ferrite Misc Ferroxcube	4,445	-	RFQ	Datasheet	TX39/20/13	Bulk	Active	TX	TX 39 x 20 x 13	3E10	1.567" (39.80mm)	17.7 µH	±20%	Ungapped	10000.0	-	0.76	84.9	112.0	-	9513.0	Epoxy	0.535" (13.60mm)	-	-
B65517T0025A001 FERRITE CORE P 25NH K1 2PCS EPCOS - TDK Electronics	3,870	-	RFQ	Datasheet	P9/5	Box	Active	P (Pot Core)	P 9 x 5	K1	0.366" (9.30mm)	25 nH	±3%	Gapped	25.0	80	1.25	12.5	10.0	-	125.0	Uncoated	0.106" (2.70mm)	-	-
PQ35/30-3C94 FERRITE CORE PQ 3C94 2PC SET Ferroxcube	1,019	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 30	3C94	-	-	±25%	Ungapped	1850.0	-	0.401	77.0	192.0	163.0	14800.0	Uncoated	1.181" (30.00mm)	1.417" (36.00mm)	1.024" (26.00mm)
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)
B65651D0400A048 FERRITE CORE P 400NH N48 2PCS EPCOS - TDK Electronics	2,359	-	RFQ	Datasheet	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
6295420121 FERRITE CORE RM 95 SET Fair-Rite Products Corp.	1,346	-	RFQ	Datasheet	-	Bulk	Active	RM	-	95	-	-	±25%	Ungapped	-	3000	38.0	73.8	195.0	170.9	14370.0	Uncoated	-	-	-
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)
0076330A7 KOOL MU HF 040 PERM BLACK 324 SI Magnetics, a division of Spang & Co.	2,023	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	1.410" (35.81mm)	38 nH	±8%	Ungapped	-	40	-	89.7	67.8	-	6080.0	Uncoated	0.412" (10.46mm)	-	-
0079076A7 KOOL MU MAX 060 PERM BLACK 324 S Magnetics, a division of Spang & Co.	1,516	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.410" (35.81mm)	56 nH	±8%	Ungapped	-	60	-	89.8	67.8	-	6090.0	Uncoated	0.412" (10.46mm)	-	-
0079327A7 KOOL MU MAX 014 PERM BLACK 324 S Magnetics, a division of Spang & Co.	4,513	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.410" (35.81mm)	13 nH	±8%	Ungapped	-	14	-	89.8	67.8	-	6090.0	Uncoated	0.412" (10.46mm)	-	-
0058382A2 HIGH FLUX 026 PERM KHAKI 380 SIZ Magnetics, a division of Spang & Co.	1,019	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.680" (17.27mm)	19 nH	±8%	Ungapped	-	26	-	41.4	23.2	-	960.0	Uncoated	0.250" (6.35mm)	-	-
0079330A7 KOOL MU MAX 040 PERM BLACK 324 S Magnetics, a division of Spang & Co.	2,554	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.410" (35.81mm)	37 nH	±8%	Ungapped	-	40	-	89.8	67.8	-	6090.0	Uncoated	0.412" (10.46mm)	-	-
0079326A7 KOOL MU MAX 026 PERM BLACK 324 S Magnetics, a division of Spang & Co.	4,713	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.410" (35.81mm)	24 nH	±8%	Ungapped	-	26	-	89.8	67.8	-	6090.0	Uncoated	0.412" (10.46mm)	-	-
0079317A7 KOOL MU MAX 019 PERM BLACK 324 S Magnetics, a division of Spang & Co.	2,904	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	1.410" (35.81mm)	18 nH	±8%	Ungapped	-	19	-	89.8	67.8	-	6090.0	Uncoated	0.412" (10.46mm)	-	-
9595424402 FERRITE CORE EER 95 SET Fair-Rite Products Corp.	3,383	-	RFQ	Datasheet	-	Bulk	Active	EER	-	95	-	-	±25%	Ungapped	-	3000	52.0	97.9	187.0	181.0	18260.0	Uncoated	0.866" (22.00mm)	1.654" (42.00mm)	-

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.