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
B65525J0000R608 FERRITE CORE ER PCS200 EPCOS - TDK Electronics	6,127	-	RFQ	Datasheet	EER11/5/6	Bulk	Active	ER	ER 11 x 5	PC200	-	-	-20%, +30%	Ungapped	580.0	800	1.1	14.1	12.4	10.3	174.0	Uncoated	0.197" (5.00mm)	0.433" (11.00mm)	0.236" (6.00mm)
0076052A7 FERRITE CORE TOROID 12NH KOOL MU Magnetics, a division of Spang & Co.	4,735	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu HF	0.530" (13.45mm)	12 nH	±8%	Ungapped	-	26	-	31.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-
0076051A7 FERRITE CORE TOROID 27NH KOOL MU Magnetics, a division of Spang & Co.	4,681	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu HF	0.530" (13.45mm)	27 nH	±8%	Ungapped	-	60	-	31.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-
ZJ41605TC FERRITE CORE TOROID 2.76UH Magnetics, a division of Spang & Co.	2,465	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	-	0.655" (16.64mm)	2.76 µH	±20%	Ungapped	-	5000	-	37.2	15.6	-	580.0	Epoxy	0.205" (5.20mm)	-	-
B65523J0400K087 FERRITE CORE ER 400NH N87 EPCOS - TDK Electronics	2,124	-	RFQ	Datasheet	ER9.5	Box	Active	ER	ER 9.5 x 5	N87	-	400 nH	±10%	Gapped	-	2200	1.54	13.6	8.81	7.6	120.0	Uncoated	0.098" (2.50mm)	0.374" (9.50mm)	0.197" (5.00mm)
B65523J0000R608 FERRITE CORE ER PC200 EPCOS - TDK Electronics	1,847	-	RFQ	Datasheet	ER9.5	Bulk	Active	ER	ER 9.5 x 5	PC200	-	-	-20%, +30%	Ungapped	460.0	800	1.54	13.6	8.81	7.6	120.0	Uncoated	0.197" (5.00mm)	0.374" (9.50mm)	0.197" (5.00mm)
TX22/14/6.4-3E27-M7 FERRITE CORE TOROID 3E+27 Ferroxcube	322	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 22 x 14 x 6.4	3E26	0.880" (22.35mm)	-	±25%	Ungapped	-	7000	2.2	54.2	24.8	-	1340.0	Epoxy	0.265" (6.75mm)	-	-
TX16/9.6/6.3-3E27 FERRITE CORE TOROID 3E+27 Ferroxcube	5,893	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 16 x 9.6 x 6.3	3E27	0.640" (16.25mm)	-	±30%	Ungapped	-	-	1.95	38.5	19.7	-	760.0	Epoxy	0.258" (6.55mm)	-	-
5975001821 FERRITE CORE TOROID 3.025UH 75 Fair-Rite Products Corp.	1,671	-	RFQ	Datasheet	-	Box	Active	Toroid	-	75	0.906" (23.00mm)	3.025 µH	-25%, +20%	Ungapped	-	5000	2.07	54.0	26.2	-	1420.0	Plastic	0.280" (7.11mm)	-	-
CMC016010006H NANOCRYSTALLINE CORE TOROID 43UH Magnetics, a division of Spang & Co.	752	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Nanocrystalline	0.630" (16.00mm)	43 µH	±30%	Ungapped	-	80000	-	41.0	15.0	-	-	Polyester	0.236" (6.00mm)	-	-
B66421U0315K187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	2,927	-	RFQ	Datasheet	EFD25/13/9	Box	Active	EFD	EFD 25 x 13 x 9	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
B66319G0500X187 FERRITE CORE E N87 EPCOS - TDK Electronics	2,629	-	RFQ	Datasheet	E30/15/7	Box	Active	E	E 30 x 15 x 7	N87	-	-	-	Gapped	-	2200	1.12	67.0	60.0	49.0	4000.0	Uncoated	0.598" (15.20mm)	1.181" (30.00mm)	0.287" (7.30mm)
B66423U0160K187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	2,376	-	RFQ	Datasheet	EFD30/15/9	Box	Active	EFD	EFD 30 x 15 x 9	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.591" (15.00mm)	1.181" (30.00mm)	0.358" (9.10mm)
0077380A7 FERRITE CORE TOROID 89NH KOOL MU Magnetics, a division of Spang & Co.	1,647	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.680" (17.27mm)	89 nH	±8%	Ungapped	-	125	-	41.4	23.2	-	960.0	Coated	0.250" (6.35mm)	-	-
EFD25/13/9-3C96 FERRITE CORE EFD 3C96 Ferroxcube	5,223	-	RFQ	Datasheet	-	Bulk	Active	EFD	EFD 25 x 13 x 9	3C96	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
B65937A0000X022 FERRITE CORE P N22 EPCOS - TDK Electronics	4,216	-	RFQ	Datasheet	PCH14.4/7.5	Box	Active	P (Pot Core)	P Core Half 14 x 7.5	N22	0.567" (14.40mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.295" (7.50mm)	-	-
B65935A0000X033 FERRITE CORE P M33 1PC EPCOS - TDK Electronics	2,739	-	RFQ	Datasheet	PS9.4/4.6	Box	Active	P (Pot Core)	PCH 9.4 x 4.6	M33	0.354" (9.00mm)	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.138" (3.50mm)	-	-
B66421G0000X187 FERRITE CORE EFD N87 1PC EPCOS - TDK Electronics	2,735	-	RFQ	Datasheet	EFD25/13/9	Box	Active	EFD	EFD 25 x 13 x 9	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.492" (12.50mm)	0.984" (25.00mm)	0.358" (9.10mm)
B66358G0500X187 FERRITE CORE ETD N87 1PC EPCOS - TDK Electronics	146	-	RFQ	Datasheet	ETD29/16/10	Box	Active	ETD	ETD 29 x 16 x 10	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.630" (16.00mm)	1.205" (30.60mm)	0.386" (9.80mm)
B66319G0100X187 FERRITE CORE E N87 1PC EPCOS - TDK Electronics	1,030	-	RFQ	Datasheet	E30/15/7	Box	Active	E	E 30 x 15 x 7	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.598" (15.20mm)	1.181" (30.00mm)	0.287" (7.30mm)

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.