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/R-3C95 FERRITE CORE E 3C95 Ferroxcube	136	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 6 x 20	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)
B65803P0000R049 FERRITE CORE RM 950NH N49 2PCS EPCOS - TDK Electronics	845	-	RFQ	Datasheet	RM4/LP	Box	Active	RM	RM 4 LP	N49	-	950 nH	-20%, +30%	Ungapped	900.0	1500	1.2	17.3	14.5	11.3	251.0	Uncoated	0.154" (3.90mm)	0.433" (11.00mm)	0.181" (4.60mm)
B65531D0000R033 FERRITE CORE P 780NH M33 2PCS EPCOS - TDK Electronics	3,005	-	RFQ	Datasheet	P11/7	Tray	Active	P (Pot Core)	P 11 x 7	M33	0.445" (11.30mm)	780 nH	-20%, +30%	Ungapped	620.0	750	1.0	15.9	15.9	-	253.0	Uncoated	0.130" (3.30mm)	-	-
B65805J0000R087 FERRITE CORE RM 2UH N87 2PCS EPCOS - TDK Electronics	1,626	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	N87	-	2 µH	-20%, +30%	Ungapped	1480.0	2200	0.93	22.1	23.8	18.0	526.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
B65805P0000R087 FERRITE CORE N87 2PCS EPCOS - TDK Electronics	1,363	-	RFQ	Datasheet	RM5/LP	Box	Active	-	-	N87	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B64290L0651X087 FERRITE CORE TOROID 2.63UH N87 EPCOS - TDK Electronics	459	-	RFQ	Datasheet	TX22/14/13	Box	Active	Toroid	-	N87	0.917" (23.30mm)	2.63 µH	±25%	Ungapped	-	2200	1.05	54.15	51.15	-	2789.0	Epoxy	0.543" (13.80mm)	-	-
B65803P0000R087 FERRITE CORE RM 1.3UH N87 2PCS EPCOS - TDK Electronics	1,104	-	RFQ	Datasheet	RM4/LP	Box	Active	RM	RM 4 LP	N87	-	1.3 µH	-20%, +30%	Ungapped	1230.0	2200	1.2	17.3	14.5	11.3	251.0	Uncoated	0.154" (3.90mm)	0.433" (11.00mm)	0.181" (4.60mm)
B66325G0000X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	2,499	-	RFQ	Datasheet	E42/21/15	Box	Active	E	E 42 x 21 x 15	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.835" (21.20mm)	1.654" (42.00mm)	0.598" (15.20mm)
B62152A0004X001 FERRITE CORE 2 HOLE 190NH K1 EPCOS - TDK Electronics	1,634	-	RFQ	Datasheet	MHB2-14.5/8.5/8.3	Bulk	Active	Multi-Hole (2)	-	K1	-	190 nH	±30%	Ungapped	-	80	0.54	15.3	28.4	-	435.0	Uncoated	0.327" (8.30mm)	0.571" (14.50mm)	0.335" (8.50mm)
ER23/3.6/13-3C92-S FERRITE CORE ER 3C92 2PC SET Ferroxcube	3,687	-	RFQ	Datasheet	-	Bulk	Active	ER	ER 23 x 3.6 x 13	3C92	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.142" (3.60mm)	0.913" (23.20mm)	0.492" (12.50mm)
B66363G1000X187 FERRITE CORE ETD N87 1PC EPCOS - TDK Electronics	654	-	RFQ	Datasheet	ETD39/20/13	Box	Active	ETD	ETD 39 x 20 x 13	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)
B66363G0200X187 FERRITE CORE ETD N87 1PC EPCOS - TDK Electronics	401	-	RFQ	Datasheet	ETD39/20/13	Box	Active	ETD	ETD 39 x 20 x 13	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.787" (20.00mm)	1.531" (38.90mm)	0.504" (12.80mm)
E32/6/20/R-3F36 FERRITE CORE E 3F36 Ferroxcube	598	-	RFQ	Datasheet	-	Bulk	Active	E	E 32 x 6 x 20	3F36	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.250" (6.35mm)	1.250" (31.75mm)	0.800" (20.32mm)
RM8/I-3C95 FERRITE CORE RM 3C95 2PC SET Ferroxcube	434	-	RFQ	Datasheet	-	Bulk	Active	RM	RM 8	3C95	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.646" (16.40mm)	0.913" (23.20mm)	0.433" (11.00mm)
B65805J0250A087 FERRITE CORE RM EPCOS - TDK Electronics	966	-	RFQ	Datasheet	RM5	Bulk	Active	RM	-	-	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	-	-	-
C058380A2 FERRITE CORE TOROID 89NH HIGH FL Magnetics, a division of Spang & Co.	1,352	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.710" (18.03mm)	89 nH	±8%	Ungapped	-	125	-	41.4	23.2	-	960.0	Coated	0.280" (7.11mm)	-	-
B65517D0063A033 FERRITE CORE P 63NH M33 2PCS EPCOS - TDK Electronics	2,698	-	RFQ	Datasheet	P9/5	Box	Active	P (Pot Core)	P 9 x 5	M33	0.366" (9.30mm)	63 nH	±3%	Gapped	63.0	750	1.25	12.5	10.0	-	125.0	Uncoated	0.106" (2.70mm)	-	-
B62152A0001X001 FERRITE CORE 2 HOLE 330NH K1 EPCOS - TDK Electronics	2,522	-	RFQ	Datasheet	MHB2-14.5/8.5/14.5	Bulk	Active	Multi-Hole (2)	-	K1	-	330 nH	±30%	Ungapped	-	80	0.31	15.3	49.7	-	760.0	Uncoated	0.571" (14.50mm)	0.571" (14.50mm)	0.335" (8.50mm)
B65805J0000Y038 FERRITE CORE RM 6.7UH T38 2PCS EPCOS - TDK Electronics	1,630	-	RFQ	Datasheet	RM5	Box	Active	RM	RM 5	T38	-	6.7 µH	-30%, +40%	Ungapped	4950.0	10000	0.93	22.1	23.8	18.0	526.0	Uncoated	0.207" (5.25mm)	0.575" (14.60mm)	0.268" (6.80mm)
B65511A0000Y030 FERRITE CORE P 2UH N30 2PCS EPCOS - TDK Electronics	2,896	-	RFQ	Datasheet	P7/4	Box	Active	P (Pot Core)	P 7 x 4	N30	0.289" (7.35mm)	2 µH	-30%, +40%	Ungapped	2270.0	4300	1.43	10.0	7.0	-	70.0	Uncoated	0.083" (2.10mm)	-	-

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.