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
2631167281 FERRITE Fair-Rite Products Corp.	2,520	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
B65885A0000R097 FERRITE CORE PQ 2.45UH N97 2PCS EPCOS - TDK Electronics	489	-	RFQ	Datasheet	PQ16/11.6	Box	Active	PQ	PQ 16 x 11.6	N97	-	2.45 µH	-20%, +30%	Ungapped	1250.0	2300	0.641	27.0	42.1	38.5	1136.0	Uncoated	0.228" (5.80mm)	0.646" (16.40mm)	0.441" (11.20mm)
B65513J0100A087 FERRITE CORE ER 100NH N87 EPCOS - TDK Electronics	2,670	-	RFQ	Datasheet	ER14.5	Box	Active	ER	ER 14.5 x 6	N87	-	100 nH	±3%	Gapped	-	2200	1.08	19.0	17.6	17.3	334.0	Uncoated	0.116" (2.95mm)	0.571" (14.50mm)	0.264" (6.70mm)
0077140A7 FERRITE CORE TOROID 26NH KOOL MU Magnetics, a division of Spang & Co.	7,430	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	Kool Mu	0.165" (4.19mm)	26 nH	±15%	Ungapped	-	125	-	8.06	1.3	-	10.0	Coated	0.085" (2.16mm)	-	-
C055130A2 FERRITE CORE TOROID 53NH MPP Magnetics, a division of Spang & Co.	6,661	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.465" (11.81mm)	53 nH	±8%	Ungapped	-	125	-	26.9	9.06	-	244.0	Coated	0.181" (4.60mm)	-	-
C055027A2 MPP 200 PERM GREY 030 SIZE Magnetics, a division of Spang & Co.	2,946	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.335" (8.51mm)	83 nH	±8%	Ungapped	-	200	-	17.9	5.99	-	107.0	Coated	0.150" (3.81mm)	-	-
ZF42508TC TOROID GREY COATED Magnetics, a division of Spang & Co.	1,202	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	F	1.035" (26.29mm)	2.9 µH	±20%	Ungapped	-	3000	-	61.5	48.0	-	2921.0	Epoxy	0.419" (10.65mm)	-	-
C058130A2 FERRITE CORE TOROID 53NH HIGH FL Magnetics, a division of Spang & Co.	955	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	0.465" (11.81mm)	53 nH	±8%	Ungapped	-	125	-	26.9	9.06	-	244.0	Coated	0.181" (4.60mm)	-	-
PC95ER22/5.5/15-Z FERRITE CORE ER 4.3UH PCS95 2PC TDK Corporation	226	-	RFQ	Datasheet	Planar	Tray	Active	ER	ER 22 x 5.5 x 15	PC95	-	4.3 µH	±25%	Ungapped	-	-	0.51	46.1	23.2	36.3	1070.0	Uncoated	0.108" (2.75mm)	0.870" (22.10mm)	0.600" (15.25mm)
00K3515E060 KOOL MU 3515 E CORE Magnetics, a division of Spang & Co.	4,976	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	102 nH	±8%	Ungapped	-	60	-	69.4	84.0	-	5830.0	Uncoated	0.557" (14.15mm)	1.360" (34.54mm)	0.368" (9.35mm)
00K3515E040 KOOL MU 3515 E CORE Magnetics, a division of Spang & Co.	1,312	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	75 nH	±8%	Ungapped	-	40	-	69.4	84.0	-	5830.0	Uncoated	0.557" (14.15mm)	1.360" (34.54mm)	0.368" (9.35mm)
B66361G0100X187 FERRITE CORE ETD N87 1PC EPCOS - TDK Electronics	838	-	RFQ	Datasheet	ETD34/17/11	Box	Active	ETD	ETD 34 x 17 x 11	N87	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.689" (17.50mm)	1.339" (34.00mm)	0.433" (11.00mm)
00K3515E090 KOOL MU 3515 E CORE Magnetics, a division of Spang & Co.	763	-	RFQ	Datasheet	-	Bulk	Active	E	-	Kool Mu	-	146 nH	±8%	Ungapped	-	90	-	69.4	84.0	-	5830.0	Uncoated	0.557" (14.15mm)	1.360" (34.54mm)	0.368" (9.35mm)
2675800302 75 ROUND SUPPRESSION CORE Fair-Rite Products Corp.	3,135	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	75	0.490" (12.45mm)	-	-	Ungapped	-	-	-	29.5	12.9	-	381.0	Uncoated	0.183" (4.65mm)	-	-
4277282509 FERRITE Fair-Rite Products Corp.	930	-	RFQ	Datasheet	-	Bulk	Active	Rod	-	77	0.669" (17.00mm)	-	-	Ungapped	-	2000	-	-	-	-	-	Uncoated	-	0.746" (18.95mm)	-
RP42316UG R-RM DESIGN Magnetics, a division of Spang & Co.	955	-	RFQ	Datasheet	-	Bulk	Active	RM	-	P	-	2.56 µH	-	Ungapped	-	2500	-	35.5	52.0	36.9	1850.0	Uncoated	0.323" (8.20mm)	0.913" (23.20mm)	0.425" (10.80mm)
2652801802 52 ROUND SUPPRESSION CORE Fair-Rite Products Corp.	1,704	-	RFQ	Datasheet	-	Tray	Active	Toroid	-	52	0.854" (21.70mm)	-	-	Ungapped	-	-	-	54.2	26.1	-	1415.0	Uncoated	0.240" (6.10mm)	-	-
2661800202 61 SHIELD BEAD Fair-Rite Products Corp.	1,891	-	RFQ	Datasheet	-	Bag	Active	Toroid	-	61	0.374" (9.50mm)	-	-	Ungapped	-	-	-	20.7	7.25	-	150.0	Uncoated	0.125" (3.18mm)	-	-
C055051A2 FERRITE CORE TOROID 27NH MPP Magnetics, a division of Spang & Co.	980	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	MPP	0.530" (13.45mm)	27 nH	±8%	Ungapped	-	60	-	32.2	10.9	-	340.0	Coated	0.217" (5.51mm)	-	-
2675801102 75 ROUND SUPPRESSION CORE Fair-Rite Products Corp.	2,330	-	RFQ	Datasheet	-	Bag	Active	Toroid	-	75	0.490" (12.45mm)	-	-	Ungapped	-	-	-	31.2	15.0	-	466.0	Uncoated	0.240" (6.10mm)	-	-

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.