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
E32/6/20-3F3-A630-E Ferrite Misc Ferroxcube	1,292	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 6 x 20	3F3	-	630 nH	±8%	Gapped	-	-	0.323	41.4	130.0	130.0	5380.0	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)
E32/6/20-3F3-A630-P Ferrite Misc Ferroxcube	1,887	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 6 x 20	3F3	-	630 nH	±8%	Gapped	138.0	-	0.323	41.4	130.0	130.0	5380.0	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)
0077555A7 KOOL MU 040 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	4,557	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	41 nH	±8%	Ungapped	-	40	-	81.4	65.6	-	5340.0	Uncoated	0.420" (10.67mm)	-	-
0077552A7 KOOL MU 090 PERM BLACK 548 SIZE Magnetics, a division of Spang & Co.	4,127	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	1.291" (32.80mm)	91 nH	±8%	Ungapped	-	90	-	81.4	65.6	-	5340.0	Uncoated	0.420" (10.67mm)	-	-
0076352A7 KOOL MU HF 026 PERM BLACK 350 SI Magnetics, a division of Spang & Co.	1,964	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu HF	0.928" (23.57mm)	22 nH	±8%	Ungapped	-	26	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
00K4110U060 KOOL MU 4110 U CORE Magnetics, a division of Spang & Co.	4,439	-	RFQ	Datasheet	-	Bulk	Active	U	-	Kool Mu	-	78 nH	±8%	Ungapped	-	60	-	85.2	80.0	-	6820.0	Uncoated	0.440" (11.18mm)	1.600" (40.64mm)	0.375" (9.53mm)
0079357A7 KOOL MU MAX 019 PERM BLACK 350 S Magnetics, a division of Spang & Co.	3,303	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.928" (23.57mm)	16 nH	±8%	Ungapped	-	19	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
0079356A7 KOOL MU MAX 040 PERM BLACK 350 S Magnetics, a division of Spang & Co.	2,199	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.928" (23.57mm)	34 nH	±8%	Ungapped	-	40	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
0079353A7 KOOL MU MAX 014 PERM BLACK 350 S Magnetics, a division of Spang & Co.	4,088	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mµ	0.928" (23.57mm)	12 nH	±8%	Ungapped	-	14	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
0079352A7 KOOL MU MAX 026 PERM BLACK 350 S Magnetics, a division of Spang & Co.	4,844	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu MAX	0.928" (23.57mm)	22 nH	±8%	Ungapped	-	26	-	58.8	38.8	-	2280.0	Uncoated	0.350" (8.90mm)	-	-
E22/6/16/R-4F1-A160-P FERRITE CORE E Ferroxcube	2,958	-	RFQ	Datasheet	-	Bulk	Active	E	E 22 x 6 x 16	-	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
B64290L0742X046 R12.7/7.9/6.35 T46 RINGKERN EPCOS - TDK Electronics	3,255	-	RFQ	Datasheet	-	Tray	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
E42/21/15-3C92-G500 FERRITE CORE E 3C92 Ferroxcube	2,401	-	RFQ	Datasheet	-	Bulk	Active	E	E 42 x 21 x 15	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.827" (21.00mm)	1.693" (43.00mm)	0.598" (15.20mm)
B65805C0000R035 FERRITE CORE RM EPCOS - TDK Electronics	1,240	-	RFQ	Datasheet	RM5	Box	Active	RM	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
B65805J0000R035 FERRITE CORE RM EPCOS - TDK Electronics	1,999	-	RFQ	Datasheet	RM5	Box	Active	RM	-	-	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	-	-	-
P18/11/I-3F3 Ferrite Misc Ferroxcube	1,276	-	RFQ	Datasheet	-	Bulk	Active	P	P 18 x 11	3F3	0.705" (17.90mm)	3.11 µH	±25%	Ungapped	1390.0	-	-	-	47.5	-	-	Uncoated	0.209" (5.30mm)	-	-
PLT38/25/3.8-3C96 FERRITE CORE PLT 3C96 Ferroxcube	3,384	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 38 x 25 x 3.8	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.150" (3.81mm)	1.500" (38.10mm)	1.000" (25.40mm)
RM8/I-3C98 Ferrite Misc Ferroxcube	4,093	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RM7/I-3C95-A100 FERRITE CORE RM 100NH 3C95 2PC Ferroxcube	1,313	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 7	3C95	-	100 nH	±3%	Gapped	54.0	-	0.68	30.0	44.1	39.6	1325.0	Uncoated	0.528" (13.40mm)	0.799" (20.30mm)	0.677" (17.20mm)
B65805J0160A048 FERRITE CORE RM 160NH N48 2PCS EPCOS - TDK Electronics	1,286	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	N48	-	160 nH	±3%	Gapped	127.0	-	0.93	22.1	23.8	18.0	526.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)

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.