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
0058726A2 FERRITE CORE TOROID 175NH HI FLX Magnetics, a division of Spang & Co.	1,939	-	RFQ	Datasheet	-	Bulk	Active	Toroid	-	High Flux	2.028" (51.51mm)	175 nH	±8%	Ungapped	-	60	-	113.5	262.0	-	29700.0	Coated	0.850" (21.59mm)	-	-
B64290A0730X010 FERRITE CORE TOROID 900NH K10 EPCOS - TDK Electronics	3,251	-	RFQ	Datasheet	T87/54.3/13.5	Box	Active	Toroid	R 87 x 54.3 x 13.5	K10	3.425" (87.00mm)	900 nH	±25%	Ungapped	-	700	0.99	213.9	216.7	-	46360.0	Uncoated	0.531" (13.50mm)	-	-
MACC0125 FERRITE CORE U AMORPHOUS Magnetics, a division of Spang & Co.	2,547	-	RFQ	Datasheet	-	Bulk	Active	U	-	Amorphous	-	-	-	Ungapped	-	-	-	64.3	610.0	-	-	Uncoated	2.402" (61.00mm)	2.500" (63.50mm)	1.378" (35.00mm)
B67385G0000X187 FERRITE CORE U N87 1PC EPCOS - TDK Electronics	2,015	-	RFQ	Datasheet	U126/91/20	Box	Active	U	U 126 x 91 x 20	N87	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	3.583" (91.00mm)	4.961" (126.00mm)	0.787" (20.00mm)
PM87/70-3C94 FERRITE CORE PM 3C94 2PC SET Ferroxcube	4,888	-	RFQ	Datasheet	-	Bulk	Active	PM	PM 87 x 70	3C94	3.425" (87.00mm)	-	-	-	-	-	-	-	-	-	-	Uncoated	2.756" (70.00mm)	-	-
TX140/106/25-3C94 FERRITE CORE TOROID 3C94 Ferroxcube	2,823	-	RFQ	Datasheet	-	Bulk	Active	Toroid	TX 140 x 106 x 25	3C94	5.528" (140.40mm)	-	±20%	Ungapped	-	2300	0.903	382.0	422.0	-	161100.0	Epoxy	0.996" (25.30mm)	-	-
B64290A0705X010 FERRITE CORE TOROID 1.1UH K10 EPCOS - TDK Electronics	3,664	-	RFQ	Datasheet	T140/103/25	Box	Active	Toroid	R 140 x 103 x 25	K10	5.512" (140.00mm)	1.1 µH	±25%	Ungapped	-	700	0.82	375.8	458.9	-	172440.0	Uncoated	0.984" (25.00mm)	-	-
B65733A0000R087 FERRITE CORE PM 16UH N87 2PCS EPCOS - TDK Electronics	1,120	-	RFQ	Datasheet	PM114/93	Box	Active	PM	PM 114 x 93	N87	4.488" (114.00mm)	16 µH	-20%, +30%	Ungapped	1480.0	2200	0.116	200.0	1720.0	1380.0	344000.0	Uncoated	1.831" (46.50mm)	-	-
B65733A0630A027 FERRITE CORE PM 630NH N27 2PCS EPCOS - TDK Electronics	4,533	-	RFQ	Datasheet	PM114/93	Box	Active	PM	PM 114 x 93	N27	4.488" (114.00mm)	630 nH	±3%	Gapped	58.0	2000	0.116	200.0	1720.0	1380.0	344000.0	Uncoated	1.831" (46.50mm)	-	-
5977000221 FERRITE CORE TOROID 945NH 77 Fair-Rite Products Corp.	167	-	RFQ	Datasheet	-	Bag	Active	Toroid	-	77	0.402" (10.20mm)	945 nH	-30%, +25%	Ungapped	-	2000	2.86	20.7	7.2	-	150.0	Plastic	0.150" (3.81mm)	-	-
B64290L0038X037 FERRITE CORE TOROID 2.66UH T37 EPCOS - TDK Electronics	414	-	RFQ	Datasheet	TX10/6/4	Box	Active	Toroid	-	T37	0.425" (10.80mm)	2.66 µH	±25%	Ungapped	-	6500	3.07	24.07	7.83	-	188.0	Epoxy	0.187" (4.75mm)	-	-
B66453K0000X192 FERRITE CORE I N92 EPCOS - TDK Electronics	539	-	RFQ	Datasheet	I18/2/10	Tray	Active	I	I 18 x 2 x 10	N92	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.079" (2.00mm)	0.709" (18.00mm)	0.394" (10.00mm)
H5C2ER9.5/5-Z FERRITE CORE ER H5C2 2PC SET TDK Corporation	205	-	RFQ	Datasheet	-	Tray	Active	ER	ER 9.5 x 5	H5C2	-	-	-	Ungapped	-	-	-	-	-	-	-	Uncoated	0.197" (5.00mm)	0.374" (9.50mm)	0.197" (5.00mm)
B66307G0500X127 FERRITE CORE E N27 1PC EPCOS - TDK Electronics	123	-	RFQ	Datasheet	E16/8/5	Box	Active	E	E 16 x 8 x 5	N27	-	-	-	Gapped	-	-	-	-	-	-	-	Uncoated	0.323" (8.20mm)	0.630" (16.00mm)	0.185" (4.70mm)
PC40EER40-Z FERRITE CORE EER PCS40 2PC SET TDK Corporation	2,528	-	RFQ	Datasheet	-	Tray	Active	EER	EER 40	PC40	-	-	±25%	Gapped	-	-	0.658	98.0	149.0	-	14600.0	Uncoated	0.882" (22.40mm)	1.575" (40.00mm)	0.524" (13.30mm)
PLT22/16/2.5-3C90 FERRITE CORE PLT 3C90 Ferroxcube	779	-	RFQ	Datasheet	-	Bulk	Active	PLT	PLT 22 x 16 x 2.5	3C90	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.224" (5.70mm)	0.858" (21.80mm)	0.622" (15.80mm)
PC95ER9.5/5-Z FERRITE CORE ER 1.19UH PCS95 2PC TDK Corporation	149	-	RFQ	Datasheet	Planar	Tray	Active	ER	ER 9.5 x 5	PC95	-	1.19 µH	±25%	Ungapped	-	-	1.67	8.47	14.2	7.6	120.0	Uncoated	0.098" (2.50mm)	0.374" (9.50mm)	0.197" (5.00mm)
5952020501 FERRITE CORE TOROID 52 Fair-Rite Products Corp.	357	-	RFQ	Datasheet	-	Box	Active	Toroid	-	52	-	-	±25%	Ungapped	-	250	-	30.6	14.4	-	442.0	Uncoated	0.250" (6.35mm)	-	-
EC35/17/10-3C94 FERRITE CORE EC 3C94 Ferroxcube	4,511	-	RFQ	Datasheet	-	Bulk	Active	EC	EC 35 x 17 x 10	3C94	-	-	-	-	-	-	-	-	-	-	-	Uncoated	0.681" (17.30mm)	1.390" (35.30mm)	0.374" (9.50mm)
B65525J0000Y038 FERRITE CORE ER 6.4UH T38 2PCS EPCOS - TDK Electronics	4,609	-	RFQ	Datasheet	ER11/5	Box	Active	ER	ER 11 x 5	T38	-	6.4 µH	-30%, +40%	Ungapped	5600.0	10000	1.1	14.1	12.4	-	174.0	Uncoated	0.098" (2.50mm)	0.433" (11.00mm)	0.236" (6.00mm)

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.