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
PTS30/19/I-3C94 Ferrite Misc Ferroxcube	1,414	-	RFQ	Datasheet	-	Bulk	Active	P	PTS 30 x 19 x I	3C94	-	5.4 µH	±25%	Gapped	1770.0	-	0.412	49.5	120.0	111.0	5940.0	Uncoated	0.370" (9.40mm)	1.181" (30.00mm)	0.799" (20.30mm)
B66461W0630J187 FERRITE CORE EPCOS - TDK Electronics	4,540	-	RFQ	Datasheet	ELP43/10/28	Box	Active	-	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	-	-	-	-
B66367G3000X187 FERRITE CORE ETD N87 EPCOS - TDK Electronics	1,458	-	RFQ	Datasheet	ETD49/25/16	Box	Active	ETD	ETD 49 x 25 x 16	N87	-	-	-	Gapped	-	2200	0.54	114.0	211.0	209.0	24100.0	Uncoated	0.980" (24.90mm)	1.909" (48.50mm)	0.657" (16.70mm)
P14/8-4C65 Ferrite Misc Ferroxcube	4,669	-	RFQ	Datasheet	-	Bulk	Active	P	P 14 x 8	4C65	0.563" (14.30mm)	190 nH	±25%	Ungapped	120.0	-	0.789	19.8	25.1	19.8	495.0	Uncoated	0.165" (4.20mm)	-	-
B66365G0000X195 FERRITE CORE ETD N95 1PC EPCOS - TDK Electronics	1,973	-	RFQ	Datasheet	ETD44/22/15	Box	Active	ETD	ETD 44 x 22 x 15	N95	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.886" (22.50mm)	1.724" (43.80mm)	0.598" (15.20mm)
B65811F0100A033 FERRITE CORE RM EPCOS - TDK Electronics	2,860	-	RFQ	Datasheet	RM8	Box	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
RM12/I-3C90 Ferrite Misc Ferroxcube	3,379	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3C90	-	5.6 µH	±25%	Ungapped	1730.0	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.482" (12.25mm)	1.472" (37.40mm)	0.634" (16.10mm)
E55/28/21-3C90-E100 FERRITE CORE E 3C90 Ferroxcube	3,316	-	RFQ	Datasheet	-	Bulk	Active	E	E 55 x 28 x 21	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.083" (27.50mm)	2.213" (56.20mm)	0.827" (21.00mm)
RM12/I-3C94 FERRITE CORE RM 3C94 2PC SET Ferroxcube	1,446	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 12	3C94	-	-	±25%	Ungapped	1730.0	-	0.388	56.6	146.0	125.0	8340.0	Uncoated	0.965" (24.50mm)	1.472" (37.40mm)	0.634" (16.10mm)
ETD54/28/19-3F3 Ferrite Misc Ferroxcube	4,279	-	RFQ	Datasheet	ETD54/28/19	Bulk	Active	ETD	ETD 54 x 28 x 19	3F3	-	4.6 µH	±25%	Ungapped	1660.0	-	0.454	127.0	280.0	270.0	35500.0	Uncoated	1.087" (27.60mm)	2.146" (54.50mm)	0.744" (18.90mm)
E55/28/25-3C94-E160 Ferrite Misc Ferroxcube	4,060	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
UR57/28/16-3C90 FERRITE CORE UR 3C90 Ferroxcube	2,464	-	RFQ	Datasheet	-	Bulk	Active	UR	UR 57 x 28 x 16	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	1.118" (28.40mm)	2.270" (57.65mm)	0.610" (15.50mm)
B65661D0000R033 FERRITE CORE 1.6UH M33 EPCOS - TDK Electronics	3,140	-	RFQ	Datasheet	P22/13	Box	Active	-	P 22 x 13	M33	0.866" (22.00mm)	1.6 µH	-20%, +30%	Ungapped	640.0	750	0.5	31.6	63.0	-	1990.0	Uncoated	0.268" (6.80mm)	-	-
B65813J0000R092 FERRITE CORE RM N92 EPCOS - TDK Electronics	3,309	-	RFQ	Datasheet	RM10	Box	Active	RM	RM 10	N92	-	-	-	-	-	1500	0.45	44.0	98.0	90.0	4310.0	Uncoated	0.368" (9.35mm)	1.122" (28.50mm)	0.531" (13.50mm)
PQ35/20-3F36 FERRITE CORE PQ 3F36 2PC SET Ferroxcube	2,126	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 20	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.787" (20.00mm)	1.421" (36.10mm)	1.024" (26.00mm)
PQ35/20-3F46 FERRITE CORE PQ 3F46 2PC SET Ferroxcube	3,703	-	RFQ	Datasheet	-	Bulk	Active	PQ	PQ 35 x 20	3F46	-	-	±25%	Ungapped	684.0	-	0.291	57.5	197.0	163.0	11300.0	Uncoated	0.787" (20.00mm)	1.417" (36.00mm)	1.024" (26.00mm)
B65805N0025A001 FERRITE CORE RM 25NH K1 2PCS EPCOS - TDK Electronics	3,137	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	K1	-	25 nH	±3%	Gapped	19.9	80	1.0	20.8	20.8	-	433.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
9595495402 FERRITE CORE EER 95 SET Fair-Rite Products Corp.	3,578	-	RFQ	Datasheet	-	Bulk	Active	EER	-	95	-	-	±25%	Ungapped	-	3000	48.0	118.0	245.0	232.0	29020.0	Uncoated	1.063" (27.00mm)	-	-
TX32/19/13-4A11 Ferrite Misc Ferroxcube	3,478	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 32 x 19 x 13	4A11	1.281" (32.55mm)	-	-	Ungapped	-	-	0.99	76.0	76.5	-	5820.0	Epoxy	0.528" (13.40mm)	-	-
0P43825TC TOROID Magnetics, a division of Spang & Co.	1,655	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	P	1.500" (38.10mm)	8.762 µH	±25%	Ungapped	-	2500	-	82.8	233.0	-	19300.0	Uncoated	1.000" (25.40mm)	-	-

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.